ChemicalBook > CAS DataBase List > PHENOL-FORMALDEHYDE RESIN

PHENOL-FORMALDEHYDE RESIN

Product Name
PHENOL-FORMALDEHYDE RESIN
CAS No.
9003-35-4
Chemical Name
PHENOL-FORMALDEHYDE RESIN
Synonyms
RESOLE;Novolac;P-F-R-2;-formaL;Phenolpac;PF resins;dehyde resin;Phenolic resin;Phenolic resins;PHENOL-FORMRESIN
CBNumber
CB8274689
Molecular Formula
C7H6O2
Formula Weight
122.12134
MOL File
9003-35-4.mol
More
Less

PHENOL-FORMALDEHYDE RESIN Property

Melting point:
94 °C
Density 
1.10 g/cm3
storage temp. 
Sealed in dry,Room Temperature
Stability:
Stable. Incompatible with strong oxidizing agents.
EPA Substance Registry System
Formaldehyde phenol polymer (9003-35-4)
More
Less

Hazard and Precautionary Statements (GHS)

More
Less

PHENOL-FORMALDEHYDE RESIN Chemical Properties,Usage,Production

Uses

Phenol-formaldehyde resin is used in binders, adhesives, laminates, impregnation products, surface coatings, casting sand, etc.

Preparation

Phenol-formaldehyde resin is prepared as follows:
C6H5OH+H2C=O ---> [-C6H2(OH)CH2-]n
One-Stage Resins. The ratio of formaldehyde to phenol is high enough to allow the thermosetting process to take place without the addition of other sources of cross-links.
Two-Stage Resins. The ratio of formaldehyde to phenol is low enough to prevent the thermosetting reaction from occurring during manufacture of the resin. At this point the resin is termed novolac resin. Subsequently, hexamethylenetetramine is incorporated into the material to act as a source of chemical cross-links during the molding operation (and conversion to the thermoset or cured state).

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

Phenol-formaldehyde resin 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.

More
Less

PHENOL-FORMALDEHYDE RESIN Suppliers

Shandong Yonghui New Material Co. LTD
Tel
0533-8797697-
Email
13853372908@139.com
Country
China
ProdList
1
Advantage
58
Hubei BoShi Chemical Co., Ltd.
Tel
027-83877918-
Fax
027-83877918
Email
boshichem@163.com
Country
China
ProdList
29
Advantage
58
Henan Vocas Biotechnology Co., Ltd
Tel
185-3767-1377
Fax
QQ3487632979
Email
vocas@foxmail.com
Country
China
ProdList
4998
Advantage
58
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
21-61259100-
Fax
86-21-61259102
Email
sh@meryer.com
Country
China
ProdList
40264
Advantage
62
Chengdu XiYa Chemical Technology Co., Ltd.
Tel
;
Fax
0539-6365991
Email
sale@xiyashiji.com;3007716753@qq.com
Country
China
ProdList
10578
Advantage
57
BEST-REAGENT
Tel
400-1166-196;028-84555506- ;028-84555506-
Email
cdhxsj@163.com;1955352637@qq.com;cdhxsj@163.com
Country
China
ProdList
11718
Advantage
57
Aemon Chemical
Tel
0086-755-86198205
Email
acinfo@aemonchem.com
Country
China
ProdList
1943
Advantage
57
BOC Sciences
Tel
Email
info@bocsci.com
Country
United States
ProdList
21113
Advantage
65
Chengdu Ai Keda Chemical Technology Co., Ltd.
Tel
028-85911938-
Fax
028-86757656
Email
800078821@qq.com
Country
China
ProdList
9750
Advantage
55
Shanghai T&W Pharmaceutical Co., Ltd.
Tel
+86 21 61551611
Fax
+86 21 50676805
Country
China
ProdList
9914
Advantage
58
More
Less

View Lastest Price from PHENOL-FORMALDEHYDE RESIN manufacturers

Wuhan wingroup Pharmaceutical Co., Ltd
Product
2-methoxy-6-methylphenol 9003-35-4
Price
US $1.00/Kg/Bag
Min. Order
50g
Purity
99
Supply Ability
20 tons
Release date
2021-07-08
Hebei Guanlang Biotechnology Co., Ltd.
Product
PHENOL-FORMALDEHYDE RESIN 9003-35-4
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2021-09-09
Wuhan Monad Medicine Tech Co.,LTD
Product
Phenolic Resin 9003-35-4
Price
US $50.00/KG
Min. Order
1Kg/Bag
Purity
99.99%
Supply Ability
20 tons/month
Release date
2021-04-19

9003-35-4, PHENOL-FORMALDEHYDE RESINRelated Search:


  • phenol,polymerwithformaldehyde
  • phenol-formaldehyde
  • Phenolic resin,dimethylbenzene modified
  • Phenolic moulding plastics PF2A2-131
  • Phenolic granular injection moulding plastic SP2501J
  • Phenolic resin,melamine modified
  • Phenolic resin 264
  • Phenolic resin,thermoset
  • Phenolic moulding plastics PF2A2-151J
  • Phenolic resin 213
  • Phenolic resin 215
  • Phenolic resin,water-soluble
  • Phenolic moulding plastics PF2C3-631
  • Phenolic moulding plastics PF2C3-431J
  • Phenolic resin,rosin modified 2210
  • Phenolic resin 217
  • Phenolic resin 203
  • Phenolic moulding plastics PF2A1-131f
  • Phenolic moulding plastics PF2S1-4602
  • Phenolic resin 214
  • Phenolic moulding powder R131
  • Phenolic monlding powder,antiwear
  • Phenolic plastic powder A105
  • Phenolic resin 212
  • Phenolic moulding plastics PF2A4-161
  • Phenolic resin,thermoplastic,high softening point
  • Phenolic resin FFD-381-P
  • Phenolic resin 2124
  • Phenolic moulding plastics PF2A3-8101
  • Phenolic moulding plastics PF2A3-1601
  • Phenolic plastic powder
  • Phenolic foam resin 2402
  • Phenolic resin 351
  • Phenolic resin,melamine modified 6810
  • Phenolic moulding plastics
  • Phenolic resin 216
  • Phenolic resin 2123
  • Phenolic moulding powder R121
  • Phenolic moulding powder D131
  • Phenolic resin 2127
  • Phenolic moulding plastics PF2A4-161J
  • Phenolic moulding plastics PF2A1-131
  • RESOLE
  • RESOLE COPOLYMER RESIN
  • NOVOLAC COPOLYMER RESIN
  • PHENOL-FORMALDEHYDE RESIN
  • Phenolic resin
  • Phenol-formaldehydepolymer
  • phenol-formaldehyderesins
  • Phenolic moulding plastics PF2C3-431
  • Phenolpac
  • phenolic microballoons
  • Phenolic moulding plastics PF2C5-631
  • Phenolic moulding plastics PF2E4-2304
  • Phenolic moulding plastics PF2A2-141
  • Phenolic resin 2130
  • Phenolic resin 3201
  • Formaldehyde,phenol polymer