US4477613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of tackifying resin dispersions
Assignee: Sylvachem Corp
•
Filing: 1983-08-01
•
Granted: 1984-10-16
•
Expires: 2003-08-01
Abstract
Abstract There is provided a stabilized aqueous base tackifier composition characterized by the presence in an aqueous medium of a resinous tackifier composition having an acid number in the range from 30 to 150 and a softening point in the range of from -40 DEG to 150 DEG C., a minor amount of a nonionic or anionic surfactant and a minor amount of an elastomeric latex. There is also provided a method of stabilizing an emulsifiable tackifier composition which comprises adding to such composition, a minor amount of a surfactant and a minor amount of an elastomer.
Inventors
- 👤 James M. Evans
- 👤 Kenneth E. Krajca
- 👤 Keijo A. Ukkonen
- 👤 James E. Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:58
CPC Classifications
C; C08; C08L; C08L93/00; C08L93/04
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
102 words
A stabilized aqueous dispersion of a resinous tackifier composition which comprises (a) a carboxyl-containing rosin derived resinous material having an acid value of from 50 to 150 and a softening point of from -25° to 150° C., said carboxyl-containing resinous material containing a counter ion capable of rendering said resinous material soluble or dispersible in water, (b) from 0.1% to 5% by weight of the total solids of said tackifier composition of a nonionic or anionic surfactant, and (c) from 3% to 14% by weight of the total solids of said tackifier composition of an elastomer in the form of a latex.
Claim 2
Dependent Claim
102 words
A stabilized aqueous dispersion of a resinous tackifier composition which comprises (a) a carboxyl-containing rosin derived resinous material having an acid value of from 50 to 150 and a softening point of from -25° to 150° C., said carboxyl-containing resinous material containing a counter ion capable of rendering said resinous material soluble or dispersible in water, (b) from 0.1% to 5% by weight of the total solids of said tackifier composition of a nonionic or anionic surfactant, and (c) from 3% to 14% by weight of the total solids of said tackifier composition of an elastomer in the form of a latex.
Claim 3
Dependent Claim
59 words
A stabilized aqueous dispersion as defined in claim 1 which is further characterized by the presence therein of (d) up to 90% by weight of the total solids of an additional different resinous tackifier component having an acid value equal to or greater than zero and a softening point in the range of from -25° C. to 150° C.
Claim 4
Dependent Claim
64 words
A stabilized aqueous dispersion as defined in claim 2 wherein the additional resinous tackifier component is selected from C 1 -C 30 monohydric alcohol esters of rosin, hydrogenated rosin, polymerized rosin, disproportionated rosin and esters of carboxylic acid modified rosin; polyhydric alcohol esters of rosin, hydrogenated rosin, polymerized rosin, disproportionated rosin and esters of carboxylic acid modified rosin; petroleum hydrocarbon resins, and polyterpene resins.
Claim 5
Dependent Claim
19 words
A stabilized aqueous dispersion as defined in claim 1 wherein the resinous material is derived from a polymerized rosin.
Claim 6
Dependent Claim
18 words
A stabilized aqueous dispersion as defined in claim 1 wherein the resinous material is derived from hydrogenated rosin.
Claim 7
Dependent Claim
18 words
A stabilized aqueous dispersion as defined in claim 1 wherein the resinous material is derived from disproportionated rosin.
Claim 8
Dependent Claim
22 words
A stabilized aqueous dispersion as defined in claim 1 wherein the resinous material is derived from a polyhydric alcohol ester of rosin.
Claim 9
Dependent Claim
33 words
A stabilized aqueous dispersion as defined in claim 1 wherein the carboxyl-containing resinous material is the reaction product of a rosin, an alpha,beta-unsaturated carboxylic acid and a C 1 -C 30 monohydric alcohol.
Claim 10
Dependent Claim
18 words
A stabilized aqueous dispersion as defined in claim 8 wherein the alpha,beta-unsaturated carboxylic acid is a dicarboxylic acid.
Claim 11
Dependent Claim
20 words
A stabilized aqueous dispersion as defined in claim 8 wherein the alpha,beta-unsaturated carboxylic acid is maleic acid or maleic anhydride.
Claim 12
Dependent Claim
17 words
A stabilized aqueous dispersion as defined in claim 8 wherein the alpha,beta-unsaturated carboxylic acid is fumaric acid.
Claim 13
Dependent Claim
15 words
A stabilized aqueous dispersion as defined in claim 8 wherein the alcohol is decyl alcohol.
Claim 14
Dependent Claim
15 words
A stabilized aqueous dispersion as defined in claim 8 wherein the alcohol is octadecyl alcohol.
Claim 15
Dependent Claim
34 words
A stabilized aqueous dispersion as defined in claim 8 wherein the resinous material is the reaction product of tall oil rosin, the alpha,beta-unsaturated carboxylic acid is maleic acid, and the alcohol is decyl alcohol.
Claim 16
Dependent Claim
28 words
A stabilized aqueous dispersion as defined in claim 2 wherein the resinous material contains as an additional resinous tackifier component a polyhydric alcohol ester of tall oil rosin.
Claim 17
Dependent Claim
31 words
A stabilized aqueous dispersion as defined in claim 15 wherein the polyhydric alcohol is pentaerythritol and the ester has an acid value of 5-13 and a softening point of 95°-107° C.
Claim 18
Dependent Claim
31 words
A stabilized aqueous dispersion as defined in claim 15 wherein the polyhydric alcohol is glycerol and the ester has an acid value of 3-4 and a softening point of 78°-85° C.
Claim 19
Dependent Claim
52 words
A stabilized aqueous dispersion as defined in claim 1 wherein the resinous material is the reaction product of from 40-85% by weight of a rosin, 5-20% by weight of an alpha,beta-unsaturated carboxylic acid, 10-30% by weight of a C 1 -C 30 mono-alcohol and from 0-10% by weight of a polyhydric alcohol.
Claim 20
Dependent Claim
20 words
A stabilized aqueous dispersion as defined in claim 1 wherein the counter ion is derived from a volatile ionizing agent.
Claim 21
Dependent Claim
17 words
A stabilized aqueous dispersion as defined in claim 19 wherein the volatile ionizing agent is an aminoalcohol.
Claim 22
Dependent Claim
15 words
A stabilized aqueous dispersion as defined in claim 20 wherein the aminoalcohol is N,N-dimethyl aminoethanol.
Claim 23
Dependent Claim
20 words
A stabilized aqueous dispersion as defined in claim 1 wherein the counter ion is derived from a water soluble base.
Claim 24
Dependent Claim
26 words
A stabilized aqueous dispersion as defined in claim 22 wherein the water soluble base is selected from ammonium hydroxide, sodium hydroxide, potassium hydroxide and lithium hydroxide.
Claim 25
Dependent Claim
29 words
A stabilized aqueous dispersion as defined in claim 1 wherein the nonionic surfactant is a alkyl phenoxy-poly(ethylene oxide) ethanol having an HLB in the range of 4 to 25.
Claim 26
Dependent Claim
18 words
A stabilized aqueous dispersion as defined in claim 24 wherein the alkylphenoxy-poly(ethyleneoxide) ethanol is a nonylphenoxy-poly(ethylene oxide) ethanol.
Claim 27
Dependent Claim
27 words
A stabilized aqueous dispersion as defined in claim 1 wherein the nonionic surfactant is a 2,4,7,9-tetramethyl-5-decyn-4,7-diol ethoxylate having an HLB in the range of 4 to 25.
Claim 28
Dependent Claim
16 words
A stabilized aqueous dispersion as defined in claim 1 wherein the elastomer is a carboxylated polychloroprene.
Claim 29
Dependent Claim
138 words
A stabilized aqueous dispersion as defined in claim 1 wherein (a) the resinous material contains a mixture of (1) 85 parts of a pentaerythritol ester of tall oil rosin having an acid value of 5-13 and a softening point of 103°-107° C., (2) 10 parts of a partially polymerized rosin having a softening point of 95° C. and an acid value of 160 and 5 parts of the decyl ester of fumaric acid modified tall oil rosin; the counter ion is derived from 2-methyl aminoethanol; (b) the surfactant is a mixture of a nonylphenoxy-poly(ethylene oxide) ethanol having an HLB of 19 and a 2,4,7,9-tetra-methyl-5-decyn-4,7-diol ethoxylate having an HLB of 16; and (c) the elastomer is a carboxylated neoprene having a Tg of -40° C., contains from 46.5 to 48.5% solids and has a pH of 6.7 to 8.0.
Claim 30
Dependent Claim
112 words
A stabilized aqueous dispersion as defined in claim 1 wherein (a) the resinous material is the reaction product of from 40% to 85% by weight of tall oil rosin, from 5% to 20% by weight of a dicarboxylic acid selected from maleic acid, maleic acid anhydride and fumaric acid, from 10% to 30% by weight of decyl alcohol and from 0 to 10% by weight of glycerol, and the counter ion is derived from N,N-dimethyl aminoethanol; (b) the surfactant is a nonionic surfactant having an HLB in the range of 4 to 25; and (c) the elastomer is a carboxylated rubber containing 40% to 60% solids in the form of a latex.
Claim 31
Dependent Claim
26 words
A stabilized aqueous dispersion as defined in claim 1 wherein the elastomer is polyvinyl alcohol having a molecular weight in the range of 3,000 to 100,000.
Claim 32
Dependent Claim
16 words
A stabilized aqueous dispersion as defined in claim 1 wherein the latex comprises natural rubber latex.
Claim 33
Dependent Claim
17 words
A stabilized aqueous dispersion as defined in claim 1 wherein the latex comprises a carboxylated styrene-butadiene latex.
Claim 34
Independent Claim
98 words
A method of stabilizing an aqueous base resinous tackifier composition which comprises blending (a) a carboxyl-containing resinous composition having an acid value of from 30 to 150 and a softening point of from -25° C. to 150° C., at least partially neutralized with a counter ion capable of carrying the resinous composition into solution or dispersion in water, (b) from 0.1% to 5% by weight of the tackifier composition solids of a nonionic or anionic surfactant, and (c) from 3% to 14% by weight of the tackifier composition solids of an elastomer in the form of a latex.
Claim 35
Independent Claim
98 words
A method of stabilizing an aqueous base resinous tackifier composition which comprises blending (a) a carboxyl-containing resinous composition having an acid value of from 30 to 150 and a softening point of from -25° C. to 150° C., at least partially neutralized with a counter ion capable of carrying the resinous composition into solution or dispersion in water, (b) from 0.1% to 5% by weight of the tackifier composition solids of a nonionic or anionic surfactant, and (c) from 3% to 14% by weight of the tackifier composition solids of an elastomer in the form of a latex.
References Cited (Backward Citations)
US3211683A
Cited
US3775146A
Cited
US4183834A
Cited
US4289669A
Cited
US4328141A
Cited
US4380513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-10-16 | 1988-04-16 | 1988-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-16 | 1992-04-16 | 1992-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-16 | 1996-04-16 | 1996-10-16 | $7700.00 | Window Closed / Lapsed |