Claims
- 1. An aqueous dispersion consisting essentially of: component (a) which is a tackifier formed by
- (1) polymerizing a C.sub.5 -C.sub.20 olefin monomer or a mixture of C.sub.5 -C.sub.20 olefin monomers, wherein said olefin monomer is at least one terpene monomer and said mixture of olefin monomers consists of terpene monomers or a mixture of terpene monomers and up to 25% of 1-octadecene, piperylene or diisobutylene in the presence of a catalyst to obtain an hydrocarbon polymer still containing olefinic unsaturation;
- (2) reacting said hydrocarbon polymer from step (1) with an alpha-beta unsaturated dicarboxylic acid which is maleic acid, fumaric acid, citraconic acid or itaconic acid, the anhydride or lower alkyl monoester thereof to obtain a resinous product containing free carboxyl groups;
- (3) partially esterifying said product from step (2) with an aliphatic alcohol which is octadecanol or decanol to obtain an ionizable resinous composition of acid number 10-150 and softening point not higher than 125.degree. C.;
- (4) neutralizing said resinous composition from step (3) with a base which is volatile at a temperature at which said product is not decomposed to obtain a water dispersible product;
- component (b) which is water;
- component (c) which is a natural rubber latex and the proportions of component (a) and component (c) are between 30:70 and 70:30 by weight respectively in said dispersion, and the ratio of component (a) to component (b) in the dispersion is 36-45% by weight.
- 2. An aqueous dispersion consisting essentially of: component (a) which is a tackifier formed by:
- (1) polymerizing a C.sub.5 -C.sub.20 olefin monomer or a mixture of C.sub.5 -C.sub.20 olefin monomers, wherein said olefin monomer is a terpene monomer and said mixture of olefin monomers consists of terpene monomers or a mixture of terpene monomers and up to 25% of 1-octadecene, piperylene or diisobutylene in the presence of a catalyst to obtain an hydrocarbon polymer still containing olefinic unsaturation;
- (2) reacting said hydrocarbon polymer from step (1) with an alpha-beta unsaturated dicarboxylic acid which is maleic acid, fumaric acid, citraconic acid or itaconic acid, the anhydride or lower alkyl monoester thereof to obtain a resinous product containing free carboxyl groups;
- (3) neutralizing said resinous compositions from step (2) with a base which is volatile at a temperature at which said product is not decomposed to obtain a water dispersible product;
- component (b) which is water;
- component (c) which is a natural rubber latex and the proportions of component (a) and component (c) are between 30:70 and 70:30 by weight respectively in said dispersion, and the ratio of component (a) to component (b) in the dispersion is 36-45% by weight.
- 3. An aqueous dispersion consisting of: component (a) which is a tackifier formed by:
- (1) polymerizing a C.sub.5 -C.sub.20 olefin monomer or a mixture of C.sub.5 -C.sub.20 olefin monomers, wherein said olefin monomer is a terpene monomer and said mixture of olefin monomers consists of terpene monomers and up to 25% of 1-octadecene or piperylene or diisobutylene in the presence of a catalyst to obtain an hydrocarbon polymer still containing olefinic unsaturation;
- (2) reacting said hydrocarbon polymer from step (1) with an alpha-beta unsaturated dicarboxylic acid which is maleic acid, fumaric acid, citraconic acid or itaconic acid, the anhydride or lower alkyl monoester thereof to obtain a resinous product containing free carboxyl groups;
- (3) esterifying said product from step (2) with an aliphatic alcohol which is octadecanol or decanol to obtain an ionizable resinous composition of acid number 10-150 and softening point not higher than 125.degree. C.;
- (4) neutralizing said resinous composition from step (3) with a base which is volatile at a temperature at which said product is not decomposed to obtain a water dispersible product;
- component (b) which is water;
- component (c) which is a natural rubber latex and the proportions of components (a) and (c) are between 30:70 and 70:30 by weight respectively in said dispersion, and the ratio of component (a) to component (b) is 36-45% by weight; and
- component (d) which is a rosin ester in the amount of 1%-30% by weight of said compound (a).
- 4. An aqueous dispersion according to claim 3 wherein said rosin ester is a glyceryl ester of stabilized monomeric rosin.
- 5. An aqueous dispersion consisting essentially of: component (a) which is a tackifier formed by
- (1) polymerizing a C.sub.5 -C.sub.20 olefin monomer which is cyclopentadiene, a mixture of 3-methyl 1-pentene, 2-methyl-2-butene, 2-methyl-1-pentene, isoprene, piperylene and piperylene dimer in the presence of a catalyst to obtain a polymer still containing olefinic unsaturation;
- (2) reacting said hydrocarbon polymer from step (1) with an alpha-beta unsaturated dicarboxylic acid which is maleic acid, fumaric acid, citraconic acid or itaconic acid, the anhydride or lower alkyl monoester thereof to obtain a resinous product containing free carboxyl groups;
- (3) partially esterifying said product from step (2) with an aliphatic alcohol which is octadecanol or decanol to obtain an ionizable resinous composition of acid number 10-150 and softening point not higher than 125.degree. C.;
- (4) neutralizing said resinous composition from step (3) with a base which is volatile at a temperature at which said product is not decomposed to obtain a water dispersible product;
- component (b) which is water;
- component (c) which is a natural rubber latex and the proportions of component (a) and component (c) are between 30:70 and 70:30 by weight respectively in said dispersion, and the ratio of component (a) to component (b) is 36-45% by weight.
- 6. An aqueous dispersion consisting essentially of: component (a) which is a tackifier formed by:
- (1) polymerizing a C.sub.5 -C.sub.20 olefin mixture which consists of 55% of a terpene monomer and 45% of a mixture of 3-methyl-1-butene, 3-methyl-2-butene, 2-methyl-1-pentene, isoprene, piperylene and piperylene dimer in the presence of a catalyst to obtain an hydrocarbon polymer;
- (2) reacting said hydrocarbon polymer from step (1) with an alpha-beta unsaturated dicarboxylic acid which is maleic acid, fumaric acid, citraconic acid or itaconic acid, the anhydride or lower alkyl monoester thereof to obtain a resinous product containing free carboxyl groups;
- (3) partially esterifying said product from step (2) with an aliphatic alcohol which is octadecanol or decanol to obtain an ionizable resinous composition of acid number 10-150 and softening point not higher than 125.degree. C.;
- (4) neutralizing said resinous composition from step (3) with a base which is volatile at a temperature at which said product is not decomposed to obtain a water dispersible product;
- component (b) which is water;
- component (c) which is a natural rubber latex and the proportions of component (a) and component (c) are between 30:70 and 70:30 by weight respectively in said dispersion, and the ratio of component (a) to component (b) is 36-45% by weight.
- 7. The aqueous dispersion according to claim 1, wherein said olefin monomers in step (1) are 5-95% beta-pinene, the balance being piperylene.
- 8. The aqueous dispersion according to claim 1, wherein said olefin monomers in step (1) are a mixture of alpha-pinene, beta-pinene and dipentene.
- 9. The aqueous dispersion according to claim 1, wherein said olefin monomers in step (1) are a mixture of terpene monomers and 15% octadecene.
- 10. The aqueous dispersion according to claim 1, wherein said olefin monomer is piperylene.
- 11. The aqueous dispersion according to claim 1, wherein said olefin monomer in step (1) is cyclopentadiene.
RELATED APPLICATION
This application is a continuation-in-part of our copending application Ser. No. 722,327 filed 12 Apr. 1985, now abandoned, (bearing the same title as the present application), which was in turn a continuation-in-part of application Ser. No. 603,277 filed 24 Apr. 1984, now abandoned, which was, in turn a continuation-in-part of our then copending application Ser. No. 495,881 filed 18 May 1983, now abandoned.
US Referenced Citations (12)
Foreign Referenced Citations (1)
Number |
Date |
Country |
978292 |
Dec 1964 |
GBX |
Continuation in Parts (3)
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Number |
Date |
Country |
Parent |
722327 |
Apr 1985 |
|
Parent |
603277 |
Apr 1984 |
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Parent |
495881 |
May 1983 |
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