Claims
- 1. A composition useful as a thermosetting coating composition comprising
- (a) 100 parts by weight of at least one polymerizable epoxy based oligomer having at least two acrylate groups and a weight average molecular weight of from about 500 to 1,500,
- (b) from about 80 to 160 parts by weight of at least one copolymerizable ethylenically unsaturated monomer selected from the group consisting of styrene, alpha methyl styrene, vinyl toluene, t-butyl styrene, chlorostyrene, methyl methacrylate, diallyl phthalate (with styrene or methyl methacrylate), triallyl cyanurate, triallyl isocyanurate, divinyl benzene and methyl acrylate,
- (c) from about 10 to 120 parts by weight of at least one copolymerizable monoethylenically unsaturated compound having a --CO-- group and a --NH.sub.2, --NH-- and/or --OH group,
- (d) from about 20 to 90 parts by weight of polyvinyl acetate,
- (e) from about 0.2 to 5 parts by weight of at least one zinc salt of a fatty acid having at least 10 carbon atoms,
- (f) from about 0.01 to 1.0 part by weight of at least one accelerator for a peroxide initiator,
- (g) from about 5 to 30 parts by weight of conductive carbon black,
- (h) from about 50 to 155 parts by weight of a filler and
- (i) from about 5 to 120 parts by weight of a copolymerizable or cocurable diacrylate compound having a weight average molecular weight of from about 250 to 5,000 and being selected from the group consisting of
- (I) at least one polyoxyalkylene glycol oligomer having two acrylate groups and
- (II) at least one polyurethane based oligomer having two acrylate groups and mixtures of (I) and (II).
- 2. A composition according to claim 1 containing additionally at least one organic free radical peroxide initiator in an amount of up to about 5% by weight based on the weight of the polymerizable ethylenically unsaturated materials.
- 3. A composition according to claim 1 where (H) comprises talc.
- 4. A composition according to claim 3 containing additionally at least one organic free radical peroxide initiator in an amount of up to about 5% by weight based on the weight of the polymerizable ethylenically unsaturated materials.
- 5. A composition according to claim 1 containing additionally (j) at least one calcium salt of a fatty acid having at least 10 carbon atoms in an amount of from about 0.2 to 5 parts by weight.
- 6. A composition according to claim 5 containing additionally at least one organic free radical peroxide initiator in an amount of up to about 5% by weight based on the weight of the polymerizable ethylenically unsaturated materials.
- 7. A composition according to claim 1 containing additionally (J) at least one calcium salt of a fatty acid having at least 10 carbon atoms in an amount of from about 0.2 to 5 parts by weight and where (h) comprises talc.
- 8. A composition according to claim 7 containing additionally at least one organic free radical peroxide initiator in an amount of up to about 5% by weight based on the weight of the polymerizable ethylenically unsaturated materials.
- 9. A composition according to claim 1 where
- (a) is a diacrylate ester of a liquid Bisphenol A epoxy resin,
- (b) is styrene,
- (c) is hydroxypropyl methacrylate,
- (e) is zinc stearate,
- (f) is cobalt octoate,
- (h) is talc and
- (i) is polyoxyethylene glycol dimethacrylate having a molecular weight of about 770.
Parent Case Info
This is a division of application Ser. No. 435,026 filed Oct. 25, 1982 now U.S. Pat. No. 4,414,173, which is a continuation-in-part of prior copending U.S. patent application Ser. No. 316,592 filed Nov. 2, 1981, now abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4081578 |
Van Essen et al. |
Mar 1978 |
|
4242415 |
Feltzin et al. |
Dec 1980 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
39588 |
Nov 1981 |
EPX |
Divisions (1)
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Number |
Date |
Country |
Parent |
435026 |
Oct 1982 |
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