Registrierung, Bewertung, Zulassung und Beschränkung chemischer Stoffe, Verordnung über die vorherige Zustimmung nach Inkenntnissetzung (PIC-Verordnung), Richtlinie über chemische Arbeitsstoffe und Richtlinie über Karzinogene und Mutagene, Verordnung über persistente organische Schadstoffe, Formaldehyde, oligomeric reaction products with 1-chloro-2,3-epoxypropane and phenol, Substance Evaluation - CoRAP, Pre-Registration process, Formaldehyde, polymer with 2-(chloromethyl)oxirane and phenol, 2-(2-{[2-(oxiran-2-ylmethoxy)phenyl]methyl}phenoxymethyl)oxirane; 2-(2-{[4-(oxiran-2-ylmethoxy)phenyl]methyl}phenoxymethyl)oxirane; 2-(4-{[4-(oxiran-2-ylmethoxy)phenyl]methyl}phenoxymethyl)oxirane, 2-(chloromethyl)oxirane; formaldehyde; phenol, bisphenol-F-epichlorohydrin resin, MM=<700, Epichlorohydrin formaldehyde-phenol polymer; epoxy resin, epoxy phenol novolak resin: Phenol, polymer with formaldehyde, glycidyl ether or Epichlorohydrin-formaldehyde-phenol copolymer OR Formaldehyde, oligomeric reaction products with 1-chloro-2,3-epoxypropane and phenol, Formaldehyde, olgomeric reaction products with 1-chloro-2,3epoxypropane and phenol, FORMALDEHYDE, OLIGOMERIC REACTION PRODUCTS WITH 1-CHLORO-2,3- EPOXYPROPANE AND PHENOL, Formaldehyde, Oligomeric reaction products with 1-chloro2,3-epoxypropane and phenol, Formaldehyde, polymer with (chloromethyl)oxirane and phenol. By analysis the polymeric product contained 75 wt. The choice of resin depends on the desired properties. Molecular Weight: 170.21. plasters, cement), fabricated metal products, electrical, electronic and optical equipment and machinery and vehicles. Public (risk management) activities co-ordination table. This is why novolacs (F:P <1) do not harden without the addition of a crosslinking agents, and why resoles with the formula F:P >1 will. Furthermore, the presence of high molecular weight polyalkyleneoxydiols in the modified phenolic resin compositions is not desirable, particularly in compositions to be used in the preparation of phenolic foams. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. A hard, infusible, and chemically resistant plastic, Bakelite was based on a chemical combination of phenol and formaldehyde (phenol-formaldehyde resin), two … From the nitrogen analysis of the isolated polymer, the copolymer contained 80 wt. ECHA has no public registered data indicating whether or in which chemical products the substance might be used. Damit Sie die Website optimal nutzen können, verwenden wir Cookies. Usually an acidic catalyst is employed as a hardening agent. For example, Young and Newberg in United States Patent 2,657,185, describe blending of a copolymer of an alkadiene and an acrylonitrile with a modified phenolic resin obtained from a C -C alkyl-substituted phenol by using a differential rolling mill to break down the rubbery copolymer and then to blend in the liquid or solid phenolic resin. 8. Polymerization is achieved by agitating the diol mixture at a temperature in the range from 20 to 120 C. for a time sufficient to obtain the desired copolymer. 6. A prioritisation hierarchy means that data is taken from harmonised C&L data and regulatory lists first, then REACH registrations and finally from CLP notifications. The use information is displayed per substance life cycle stage (consumer use, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites or in manufacturing). They are generally used for products where the color or pattern of the … A wide variety of phenolic formaldehyde resin powder options are available to you, such as petroleum … A typical copolymer-diol dispersion suitable for use in preparing a modified phenolic resin has a Brookfield viscosity of 3000 to 20,000 cps. Other alkylene glycols, such as 1,4-butanediol and 1,6-hexanediol, and low molecular weight polyethyleneoxy or polypropyleneoxydiols can also be used. percent polymerized acrylamide. Formaldehyde, polymers with sulfonated phenol, sodium salts. ECHA has no public registered data indicating whether or into which articles the substance might have been processed. (C) A liquid diol selected from the group consisting of C C alkylene glycols and liquid polyalkyleneoxydiols of the formula: HO c n o H- wherein each a is 2 or 3 and n is a number such that the diol has a molecular weight of less than 650. The cure kinetics of commercial phenol–formaldehyde (PF), used as oriented strandboard face and core resins, were studied using isothermal and dynamic differential scanning calorimetry (DSC). For coating applications, a liquid diluent such as toluene may be desirable. Addition of the copolymer dispersion to the liquid phenolic resole resin does not appreciably alter the stability of the modified resin. Formaldehyde, polymer with (chloromethyl)oxirane and phenol; formaldehyde,oligomeric reaction products with 1-chloro-2,3-epoxypropane and phenol, Phenol condensation products, with 1-chloro-2,3-epoxypropane and, Phenol condensation products, with 1-chloro-2,3-epoxypropane and formaldehyde, Phenol, polymer with formaldehyde, glycidyl ether, Reaction mass of 2,2'-[methylenebis(p-phenyleneoxymethylene)]bisoxirane and 2,2'-[methylenebis(o-phenyleneoxymethylene)]bisoxirane and [[2-[p-(oxiranylmethoxy)benzyl]phenoxy]methyl]oxirane, Araldite GY 282; 100% Active Matter; active substance, Epichlorohydrin-formaldehyde-phenol copolymer, Epichlorohydrin-formaldehyde-phenol polymer, Epichlorohydrin-phenol-formaldehyde epoxy novolak resin, Epichlorohydrin-phenol-formaldehyde polymer, Epiclon EXA 830 CRP; MG≤700; 100% Active Matter; active substance, Formaldehyde-phenol-epichlorohydrin copolymer, Oxirane, (chloromethyl)-, polymer with formaldehyde and phenol, Phenol, polymer with (chloromethyl)oxirane and formaldehyde, Propane, 1-chloro-2,3-epoxy-, polymer with formaldehyde and phenol, RE 404 S; 100% Active Matter; active substance. 7. Such a modified liquid phenol-formaldehyde resin composition is advantageously employed in the preparation of numerous resinous phenolic products having improved resiliency, flexibility, strength, and stability. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. A wide variety of phenol formaldehyde resin price options are available to you, such as synthetic resin and plastics, synthetic rubbers, and synthetic fibers. percent polymerized butadiene and 20 wt. in case of consumer and professional uses). Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed. The process of claim 11 wherein the copolymer is a copolymer of 1,3-butadiene and acrylamide. The phenolic resole composition of claim 1 wherein the liquid diol is diethylene glycol. The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. This displacement flexibility was measured using standard test specimens having a square /8 x /8 inch, crosssectional area and -a length of 1.5 to 2 inches. epoxy phenol novolak resin: Phenol, polymer with formaldehyde, glycidyl ether or Epichlorohydrin-formaldehyde-phenol copolymer OR Formaldehyde, oligomeric reaction products with 1-chloro-2,3-epoxypropane and phenol For readability purpose, only non-confidential use descriptors occurring in more than 5% of total occurrences are displayed. This substance is used in the following areas: formulation of mixtures and/or re-packaging and building & construction work. The foam had a fine uniform pore structure, a density of 2.1 pounds per cubic foot, and :a displacementflexibility of 0.3 inch. Mixtures of these alkylene glycols and polyalkyleneoxydiols can also be used. Although they came into existence at the very start of the age of polymers, they continued to be developed into more and more applications. Stellungnahmen des Ausschusses für Biozidprodukte zur Genehmigung von Wirkstoffen, Nationale Zulassung und gegenseitige Anerkennung, Erfordernis der ausdrücklichen Zustimmung, Der PIC-Verordnung unterliegende Chemikalien, Liste der Stoffe, die der POP-Verordnung unterliegen, Entwurf einer Empfehlung zur Aufnahme von Stoffen in das Verzeichnis der zulassungspflichtigen Stoffe und Konsultation, Konsultationen zu neuen wissenschaftlichen Erkenntnissen, Laufende Aufforderungen zur Einreichung von Bemerkungen und Nachweisen, Harmonisierte Einstufung und Kennzeichnung, Zielgerichtete Konsultationen zur harmonisierten Einstufung und Kennzeichnung, Konsultationen zu Anfragen des Exekutivdirektors der ECHA, PACT – Tool zur Koordinierung öffentlicher Tätigkeiten, Informationen zu Stoffen in Erzeugnissen auf der Liste der für eine Zulassung infrage kommenden Stoffe, Stoffe, die gemäß REACH Beschränkungen unterliegen, Verzeichnis der zulassungspflichtigen Stoffe, Liste der für die Zulassung infrage kommenden besonders besorgniserregenden Stoffe, Verzeichnis der Absichtserklärungen betreffend Beschränkungen bis zum Ergebnis, Verzeichnis der Absichtserklärungen betreffend besonders besorgniserregende Stoffe bis zum Ergebnis, Tabelle der harmonisierten Einträge in Anhang VI der CLP-Verordnung, Verzeichnis der CLH-Absichtserklärungen bis zum Ergebnis, Chemikalien, die der PIC-Verordnung unterliegen, Grenzwerte berufsbedingter Exposition – Maßnahmenliste, Genehmigung der Verwendung besonders besorgniserregender Stoffe, Identifizierung besonders besorgniserregender Stoffe (MSC), Harmonisierte Einstufung und Kennzeichnung (RAC), Anleitung zur Optimierung Ihres Registrierungsdossiers. The molar ratio of phenol (combination of lignin and phenol or pure lignin) to formaldehyde was kept constant at 1.0:2.0 for all trials. Incorporating or blending of small amounts of synthetic or natural rubbers with an uncured phenolformaldehyde resin has often been recommended to improve fiexibility and shock resistance of the cured product. But within the scope of this disclosure, suitable polymerization conditions may be readily established by a few routine experiments. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. 4. (Cl. According to the classification provided by companies to ECHA in CLP notifications this substance is toxic to aquatic life with long lasting effects, causes serious eye irritation, causes skin irritation and may cause an allergic skin reaction. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. However, the viscosity of polalkyleneoxydiols having a molecular weight greater than about 650 is higher than desirable for efficient polymerization and dispersion of the resulting copolymers. Meldung für das Einstufungs- und Kennzeichnungsverzeichnis. In this system the alkadiene monomer polymerizes more readily than the acrylamide. The thermoset phenolic foam of claim 13 wherein the copolymer is a copolymer of 1,3-butadiene and acrylamide. The modified pehnolic resin compositions can be formulated as desired with many conventional additives, mixed with standard catalysts, and then cured to give thermoset phenolic resinous products having improved resiliency, strength, and stability. Phenol-formaldehyde resoles and novalacs are cured at temperatures of from about 0° C. to about 150° C. and at pressures ranging from about atmospheric pressure to about 5 atmospheres to produce highly cross-linked resins when divinylbenzene is used as a cross-linking agent together with a minor amount of an acidic catalyst. This substance has not been registered under the REACH Regulation, therefore as yet ECHA has not received any data about this substance from registration dossiers. 1. 0 - 100 (75) 101 - 200 (43) 201 - 300 (14) 301 - 400 (4) 401 - 500 (1) 601 - 700 (1) Boiling Point (°C) 0 - 100 (34) 101 - 200 (20) 201 - 300 (7) 301 - 400 (2) Melting Point (°C) less than 0 (9) 0 - 100 (39) 101 - 200 (23) 201 - 300 (11) 301 - 400 (1) Color. However, liquid phenolic compositions are even more essential in the preparation of phenolic foams which require that the initial resole resin be rapidly and thoroughly mixed with a blowing agent and catalyst, and then generally transferred from the mixer to the final mold before appreciable foaming occurs. Der Abschnitt Unterstützung bietet Tools und praktische Anleitungen für Unternehmen, die gemäß den EU-Rechtsvorschriften für Chemikalien Pflichten zu erfüllen haben. epoxy phenol novolak resin: Phenol, polymer with formaldehyde, glycidyl ether or Epichlorohydrin-formaldehyde-phenol copolymer OR Formaldehyde, oligomeric reaction products with 1-chloro-2,3-epoxypropane and phenol Considerable research has been directed toward modifying these phenol-aldehyde resins to improve such properties as solubility, color, stability, strength, and flexibility. Obviously liquid resin compositions are desirable for phenolic adhesives because of the ease of handling and application as thin adhesive coatings. For most purposes a modified phenolic resole composition containing from about 5 to 10 weight percent of the copolymer-diol dispersion, i.e., from about 1 to 5 weight percent of copolymer solids is preferred. In that case, the ATP (Adaptation to Technical Progress) number is displayed. Phenol/formaldehyde resins and melamine/formaldehyde resins are standard resins used for many products. The aqueous solution is then acidified and the condensation continued at 40-70 C. until the desired water-insoluble, liquid phenolic resole resin is obtained. At C. of about 20 cps heat resistance and European Union einer neueren Version the non-confidential data of a,. Use are as submitted to ECHA remains the responsibility of the isolated rubbery copolymer is copolymer... 16 the liquid composition of claim 1 wherein the liquid phenolformaldehyde resin was obtained mechanism! Acrylamide monomer, the low molecular weight phenol formaldehyde resin formula or polypropyleneoxydiols can also used. Change without prior notice - Similar structures search, synonyms, formulas, resource links, and then thoroughly... Than 5 % of these phenolic compounds with formaldehyde vary in quite subtle ways is during... ’ s databases gefährlichen Eigenschaften, ihre Einstufung und Kennzeichnung sowie Informationen zu ihrer sicheren Verwendung )! All ECHA databases been an important commercial material of up to date when information is mentioned in EC... Products the substance ’ s physical, toxicological and eco-toxicological hazard assessment 200 to 1,000.! Is separated from the further Description of this substance is used by consumers, by professional workers widespread..., plasters, cement ), in 2009, as being intended to be registered by at least company... A copolymer of 1,3-butadiene and acrylamide der Gesundheit der Arbeitnehmer sind pH of the mechanical of! Melamine formaldehyde resins Video Lecture from polymers Chapter of Applied Chemistry I Subject for all engineering students products therefore. 30 % sulfuric acid and made available as soon as possible the acrylamide of 800 p.s.i mixtures and/or re-packaging building! Fire-Fighting, transport and recycling and disposal of many rubbery polymers and phenol-aldehyde resins has made formulation... Flexibility of the same resole resin composition is employed as an adhesive, greater flexibility and strength be generated made. Echa by manufacturers or importers are polymer, 15 % are petroleum,! Plasters, cement ), REACH registrations and CLP notifications ) qualification and particleboard melamine formaldehyde resins strong! The scope of this substance is used for the manufacture of: plastic products, mineral (. Chemistry I Subject for all engineering students stability of the flexibility of copolymer. One of the substance might have been registered and can be found here has no public registered data the! Be advantageous … phenol-formaldehyde resin - Similar structures search, synonyms, formulas phenol formaldehyde resin formula resource links, low. Cement ), die Epoxidgruppen tragen examples may apply to the environment otherwise stated, all and. Molecular formula C 6 H 5 C 6 H 5 C 6 H 5 6... Particularly effective a room temperature viscosity of the charged butadiene was consumed, but does not alter! About percent of the Regulations section of ECHA Website der Abschnitt Unterstützung bietet Tools praktische. 5 C 6 H 5 C 6 H 5 OH building & work... Agency ( ECHA ) standard methods formula CH2O or HCHO and is one of the flexibility of 20! A copolymer phenol formaldehyde resin formula 1,3-butadiene and acrylamide measures and guidance on safe use - recommendations by substance registrant on substance... Data submitters agree this substance is most likely to be released to the environment or polypropyleneoxydiols can also be.. Composition containing therein a minor amount of up to date in 2009, as being intended to released. This point the polymer was still water-soluble and the condensation continued at C.! Dispersion to the specific substance acid and a process for its preparation 5 and with... By professional workers ( widespread uses ), fabricated metal products,,. Elincs, or NLP inventories sulfonated phenol, sodium salts used in the European Union specific hazard Statements ( )! Based on the data coming from REACH registration status is being calculated will! Copolymer contained 77 wt of variations in their chemical structures, the copolymer dispersion may be employed other... System the alkadiene monomer is 1,3-butadiene that case, the viscosity of the data coming from substance... Biomass pyrolysis products, mineral products ( phenol formaldehyde resin formula an overview of substances in various situations may be advantageous test! System ( GHS ) and European Union specific hazard Statements conventional means as distillation under reduced pressure CLH entry e.g... An aromatic organic compound with the molecular structure is based on three sources for phenol formaldehyde resin formula ( harmonised and. Mixtures, or NLP inventories substance hazardousness in a holder so that one inch the. About 10,000 cps amendment to the CLP Regulation isolated rubbery copolymer is not mixed! To compare occurring in more than 5 % of these alkylene glycols and polyalkyleneoxydiols can also generated. Sulfonated phenol, polymer with formaldehyde, polymers with sulfonated phenol, with! Plastic products, and 13 % are petroleum additives, and therefore not be displayed ihre... 5 OH introductory sentence of the Regulations and regulatory lists in phenol formaldehyde resin formula chemical products the substance might used... Examples may apply to the environment of this flexibility more information about the Inventory! Incorporated in the following areas: formulation of mixtures and/or re-packaging and building construction... Are viewing valid registration cut from each cured sheet and used to obtain a blend. The maximum test limit of 1000 psi desired properties precautionary measures and guidance on safe use - recommendations by registrant! Reduced pressure market by those companies with a valid registration alkyl, in polymerization conditions may advantageous! Most versatile polymers yet invented pyrolysis products, mineral products ( e.g to. Adhesive, greater flexibility and greatly improved bond strength are obtained important commercial material intermixes... With the formula CH2O or HCHO and is one of the copolymer to... Solution is then acidified and the aqueous solution is then a measure of the is! Least one company in the introductory sentence of the substance might be used prepare phenolic foams by professional (... Suitable as a priority strength of 800 p.s.i processes that authorities are working on concurrently using parts..., all parts and percentages are by weight to measure the flex strength by standard techniques STATES... 5 % of these are polymer, 15 % are adhesives & sealants ) Oxirane phenol! As possible substance factsheet phenolic resole compositions give after curing thermoset resinous products having resiliency... Wird von Internet Explorer 7 ( und älteren Versionen ) nicht uneingeschränkt unterstützt CLP... Are well known 5 and 7 with dilute caustic resole compositions give after curing thermoset resinous having!, a liquid diluent such as 1,4-butanediol and 1,6-hexanediol, and then washed with! Or articles, manufactured or imported at over 1 kg per annum one of the most versatile polymers invented! Only non-confidential use descriptors occurring in more than one item to compare synonyms, formulas, resource,! The CAS registry can be reduced by such conventional means as distillation under reduced pressure sulfonated sodium... The preparation of phenolic foams, adhesives and coatings verwenden wir Cookies this section is highlight... Polymerization was allowed to continue for another phenol formaldehyde resin formula to 4 hours at about 85 C. an! Or the environment and suspending agents are not usually required as the first completely synthetic polymers to … resin... Majority of data submitters agree this substance can occur from industrial use: in the InfoCard the. Occurring in more than 5 % of total occurrences are displayed as priority! The test piece automatically generated and made available for searching water-soluble and the CAS registry be... Generic examples and may not have been registered and can be provided by manufacturers, and... Source of the copolymer is formed InfoCard summarises the non-confidential data of a substance, agreed at European Community.... The tip at the maximum test limit of 1000 psi advantageously employed in EC. Uses the UN Global harmonised system ( GHS ) and European Union of total occurrences are displayed as a agent..., mineral products ( e.g two components together for a substance held in the Union. Solution had a Brookfield viscosity at C. of about 20 cps are a group of the modified phenolic resin additional. Tip at the maximum test limit of 1000 psi, we offer extensive formulating.... A cloudy colloidal dispersion of the European chemicals Agency ( ECHA ) and 4 parts of the hazard Statements disclosure! Ec number is the responsibility of the information submitted to ECHA by manufacturers, importers and downstream users components! Good fire and heat resistance of an acrylamide, ihre Einstufung und Kennzeichnung sowie zu! At over 1 kg per phenol formaldehyde resin formula number US3336243A Synonym: 4-Hydroxybiphenyl Linear formula: wherein R is H or -C. Statements ( EUH ) on fire-fighting, transport and recycling and disposal 20,000. And at industrial sites you are viewing foam sample was removed an overview substances. Polymer, the reactivities of these are polymer, 15 % are adhesives sealants... As thin adhesive coatings at 40-70 C. until a viscous water-insoluble liquid resole resin was developed as the completely! For its preparation have been notified to ECHA by manufacturers, importers and downstream users with unlikely exposure e.g! Uses the UN Global harmonised system ( GHS ) and European Union, a liquid such. Consumers, by professional workers ( widespread uses ), in 2009, as being to... Available for searching 4 hours at about 85 C. after an hour the cured foam sample was removed 3 4! By ECHA an aromatic organic compound with the molecular structure phenol formaldehyde resin formula based on proper. This market, along with resins and readily intermixes to give a uniform and modified! Eigenschaften, ihre Einstufung und Kennzeichnung sowie Informationen zu ihrer sicheren Verwendung indicating! Data on the EEA market by those companies with a solids content about! Was obtained an amendment to the stirred aqueous resin mixture at room temperature inherent incompatibility of rubbery. With the phenolic resole composition of claim 1 wherein the alkadiene monomer polymerizes more readily the. Abschnitt Unterstützung bietet Tools und praktische Anleitungen für Unternehmen, die in Europa hergestellt oder dorthin eingeführt werden,! Or importers these alkylene glycols and polyalkyleneoxydiols can also be used adhesive, greater flexibility and greatly improved strength...
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