Claims
- 1. An aqueous resin emulsion having a particle size of from 0.03 to 2 .mu.m, which is obtained by emulsion copolymerizing a monomer mixture consisting of
- (a) from 60 to 99.8% by weight of an acrylic acid fluoroalkyl ester derivative represented by formula (I)
- CH.sub.2 .dbd.CR.sup.1 COOR.sup.2 (CF.sub.2).sub.n CFA.sub.2 (I)
- wherein R.sup.1 represents a hydrogen atom or a lower alkyl group, R.sup.2 represents the group --CH.sub.2 --.sub.m or the group ##STR4## wherein m represents 0 or an integer of from 1 to 12 and x+y is an integer of from 1 to 11, n represents 0 or an integer of from 1 to 12, and R.sup.3 represents a hydrogen atom or an acetyl group, and A independently represents a hydrogen atom, a fluorine atom, or CF.sub.3,
- (b) from 0.1 to 20% by weight of an acrylic acid derivative represented by formula (II)
- R.sup.4 CH.dbd.CR.sup.5 COOH (III)
- wherein R.sup.4 represents a hydrogen atom, a lower alkyl group or a carboxyl group, and R.sup.5 represents a hydrogen atom or a lower alkyl group, and
- (c) from 0.1 to 20% by weight of a polyfunctional monomer for internal cross-linking, in an aqueous medium.
- 2. An aqueous resin emulsion as in claim 1, wherein the particle size is from 0.05 to 2 .mu.m.
- 3. An aqueous resin emulsion as in claim 2, wherein the particle size is from 0.1 to 1 .mu.m.
- 4. An aqueous resin emulsion as in claim 1, wherein the acrylic acid fluoroalkyl ester derivative is represented by formulae (I-a), (I-b), (I-c), and (I-d) ##STR5## where R.sup.1, m, n, and R.sup.3 are as defined in claim 1, with the proviso that in formula (I-b), n cannot be 0.
- 5. An aqueous resin emulsion as in claim 4, wherein the acrylic acid fluoroalkyl ester derivative is CH.sub.2 .dbd.C(CH.sub.3)COOCH.sub.2 CF.sub.3, CH.sub.2 .dbd.C(CH.sub.3)COOCH.sub.2 (CF.sub.2).sub.2 H, CH.sub.2 .dbd.C(CH.sub.3)COOCH.sub.2 (CF.sub.2).sub.4 H, or CH.sub.2 .dbd.C(CH.sub.3)COO(CH.sub.2).sub.2 (CF.sub.2).sub.8 F.
- 6. An aqueous resin emulsion as in claim 1, wherein the monomer mixture contains from 70 to 95% by weight of the acrylic acid fluoroalkyl ester derivative.
- 7. An aqueous resin emulsion as in claim 1, wherein the acrylic acid derivative is acrylic acid, methacrylic acid, itaconic acid, or a mixture thereof.
- 8. An aqueous resin emulsion as in claim 1, wherein the monomer mixture contains from 1 to 15% by weight of the acrylic acid derivative.
- 9. An aqueous resin emulsion as in claim 1, wherein the polyfunctional monomer for internal cross-linking is a poly(meth)acrylate of an aliphatic polyhydric alcohol.
- 10. An aqueous resin emulsion as in claim 1, wherein the monomer mixture contains from 1 to 10% by weight of the polyfunctional monomer for internal cross-linking.
- 11. An aqueous resin emulsion as in claim 1, wherein up to 90% by weight of said acrylic acid fluoroalkyl ester derivative is replaced by an acrylic acid alkyl ester derivative represented by formula (III)
- CH.sub.2 .dbd.CR.sup.6 COOR.sup.7 (III)
- wherein R.sup.6 represents a hydrogen atom or a lower alkyl group, and R.sup.7 represents an alkyl group having from 1 to 8 carbon atoms.
- 12. An aqueous resin emulsion as in claim 1, wherein the monomer mixture contains from 70 to 90% by weight of the acrylic acid fluoroalkyl ester derivative, from 1 to 15% by weight of the acrylic acid derivative, and from 1 to 10% by weight of the polyfunctional monomer for internal cross-linking.
Priority Claims (1)
Number |
Date |
Country |
Kind |
59-225281 |
Oct 1984 |
JPX |
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Parent Case Info
This is a continuation of application Ser. No. 791,273 filed Oct. 25, 1985 now U.S. Pat. No. 4,666,977.
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Continuations (1)
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Number |
Date |
Country |
Parent |
791273 |
Oct 1985 |
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