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PHENOL-FORMALDEHYDE RESIN

PHENOL-FORMALDEHYDE RESIN
PHENOL-FORMALDEHYDE RESIN structure
CAS No.
9003-35-4
Chemical Name:
PHENOL-FORMALDEHYDE RESIN
Synonyms
RESOLE;P-F-R-2;Novolac;PF resins;Phenolpac;Phenolic resin;Phenolic resins;PHENOL-FORMRESIN;Resins, phenolic;Phenolic resin 665
CBNumber:
CB8274689
Molecular Formula:
C7H6O2
Formula Weight:
122.12134
MOL File:
9003-35-4.mol

PHENOL-FORMALDEHYDE RESIN Properties

Stability:
Stable. Incompatible with strong oxidizing agents.

SAFETY

PHENOL-FORMALDEHYDE RESIN price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy

PHENOL-FORMALDEHYDE RESIN Chemical Properties,Uses,Production

Industrial uses

Phenolic resins are used for low-cost partsrequiring good electrical insulating properties,heat resistance, or chemical resistance. Theaverage shelf life of this resin is about 1 monthat 21.1°C. This can be extended by storing it ina refrigerator at 1.6 to 10°C. Varying the catalyst(according to the thickness of the cast) andraising the cure temperature to 93°C will alterthe cure time from as long as 8 h to as short as15 min.
Some shrinkage occurs in the finished casting(0.012 to 0.6 mm/mm), depending on thequantity of filler, amount of catalyst, and therate of cure. Faster cure cycles produce a higherrate of shrinkage. Since the cure cycle can beaccelerated, phenolics are used in short-runcasting operations.
Cast phenolic parts are easily removed fromthe mold if the parting agents recommended bythe supplier are used. Posteuring improves thebasic properties of the finished casting.

Industrial uses

This is a synthetic resin, commonly known as phenolic, made by the reaction of phenol and formaldehyde, and employed as a molding material for the making of mechanical and electrical parts. The resins are also used for laminating, coatings, and casting resins.
Phenolic resins are used most extensively as thermosetting plastic materials, as there are only a few uses as thermoplastics. The polymer is composed of carbon, hydrogen, oxygen, and sometimes nitrogen. Its molecular weight varies from a very low value during its early state of formation to almost infinity in its final state of cure. The chemical configuration, in the thermoset state, is usually represented by a threedimensional network in which the phenolic nuclei are linked by methylene groups. The completely cross-linked network requires three methylene groups to two phenolic groups. A lesser degree of cross-linking is attainable either by varying the proportions of the ingredients or by blocking some of the reactive positions of the phenolic nucleus by other groups, such as methyl, butyl, etc. Reactivity can be enhanced by increasing the hydroxyl groups on the phenolic nuclei, for example, by the use of resorcinol.
The outstanding characteristics of phenolics are good electrical properties, very rigid set, good tensile strength, excellent heat resistance, good rigidity at elevated temperature, good aging properties; also, good resistance to water, organic solvents, weak bases, and weak acids. All these characteristics are coupled with relatively low cost.

PHENOL-FORMALDEHYDE RESIN Preparation Products And Raw materials

Raw materials

Preparation Products


PHENOL-FORMALDEHYDE RESIN Suppliers

Global( 94)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 22043 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 20786 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32651 55
Chemson Industrial (Shanghai) Co., Ltd.
86-21-65208861-ext8007
86-21-65180813 sales1@chemson.com.cn CHINA 121 58
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608 chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 24118 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254
peter@hubeijusheng.com CHINA 20229 58
Haihang Industry Co.,Ltd
86-531-88032799
+86 531 8582 1093 export@haihangchem.com CHINA 4558 58
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) sh@meryer.com China 40395 62
Aemon Chemical 0086-755-86198205
acinfo@aemonchem.com China 1954 57
Chengdu Ai Keda Chemical Technology Co., Ltd. 4008-755-333 ; 028-86676798 ; 028-86757656
028-86757656 aikeshiji@163.com China 9860 55

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