US3872037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved carboxylic latex for paper coating utilizing butadiene-styrene-acrylic acid-acrolein tetrapolymers
Assignee: BASF SE
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Filing: 1973-01-26
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Granted: 1975-03-18
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Expires: 1993-01-26
Abstract
Abstract An improved carboxylic latex is produced by copolymerizing e.g. butadiene, styrene, acrylic acid and acrolein in an emulsion system comprising a synthetic emulsifier. The latex is suitable for treating fibrous materials e.g. textile and paper.
Inventors
- 👤 Alastair Cameron Macleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:34
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; D21H19/58; C; C08; C08F; C08F20/00; C08F20/62; C08F236/00; C08F236/02; C08F236/04; C08K; C08K3/00; C08K3/01; C08K3/013; C08L; C08L13/00; C08L13/02; C08L21/00; C08L21/02; C08L25/00; C08L33/00; D06; D06M; D06M15/00; D06M15/693; D21H19/10; D21H19/14; D21H19/20; D21H19/22; C08L3/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
193 words
A COMPOSITION COMPRISING (A) AN ALKALINE LATEX OF A COPOLYMER OF (A) AT LEAST 25 PARTS OF AN ACYCLIC C4-C8 CONJUGATED DIOLEFIN SELECTED FROM BUTADIENE-1,3, ISOPRENE, CHLOROPRENE AND 2,3-DIMETHYL BUTADIENE-1,3, (B) AT LEAST 25 PARTS OF A MONO-OLEFINICALLY UNSATURATED COPOLYMERIZABLE COMPOUND WHICH IS FREE OF CARBONYL AND CARBOXYL GROUPS SELECTED FROM STYRENE, SUBSTITUTED STYRENES, ESTERS OF ACRYLIC ACIDS AND C1-C6 ALCOHOLS AND MIXTURES THEREOF, (C) 3 PARTS OF AN OLEFINICALLY UNSATURATED CARBOXYLIC ACID SELECTED FROM (A) UNSATURATED CARBOXYLIC ACIDS CONTAINING 3-5 CARBON ATOMS, (B) CINNAMIC ACID AND (C) MIXTURES THEREOF AND (D) 3 PARTS OF AN OLEFINICALLY UNSATURATED CARBONYL COMPOUND OF THE GENERAL FORMULA H(R1)C=C(R2)-C(R3)O WHERE R1 IS SELECTED FROM HYDROGEN AND C1-C6 MONOVALENT HYDROCARBON RADICALS AND R2 AND R3 ARE SELECTED FROM HYDROGEN AND C1-C2 ALKYL RADICALS SELECTED FROM ACROLEIN, ALPHA-METHYL, BETA-METHYL AND BETA-PHENYL ACROLEINS, METHYL VINYL KETONE AND MIXTURES THEREOF, SAID PARTS BEING PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF COPOLYMER, (B) AND INERT FILLER IN AN AMOUNT OF ABOUT 1-20 PARTS PER ONE PART BY WEIGHT OF COPOLYMER, AND (C) A STARCH OR PROTEIN ADHESIVE IN AMOUNT OF ABOUT 3-30 PARTS PER 100 PARTS BY WEIGHT OF FILLER.
Claim 2
Dependent Claim
193 words
A COMPOSITION COMPRISING (A) AN ALKALINE LATEX OF A COPOLYMER OF (A) AT LEAST 25 PARTS OF AN ACYCLIC C4-C8 CONJUGATED DIOLEFIN SELECTED FROM BUTADIENE-1,3, ISOPRENE, CHLOROPRENE AND 2,3-DIMETHYL BUTADIENE-1,3, (B) AT LEAST 25 PARTS OF A MONO-OLEFINICALLY UNSATURATED COPOLYMERIZABLE COMPOUND WHICH IS FREE OF CARBONYL AND CARBOXYL GROUPS SELECTED FROM STYRENE, SUBSTITUTED STYRENES, ESTERS OF ACRYLIC ACIDS AND C1-C6 ALCOHOLS AND MIXTURES THEREOF, (C) 3 PARTS OF AN OLEFINICALLY UNSATURATED CARBOXYLIC ACID SELECTED FROM (A) UNSATURATED CARBOXYLIC ACIDS CONTAINING 3-5 CARBON ATOMS, (B) CINNAMIC ACID AND (C) MIXTURES THEREOF AND (D) 3 PARTS OF AN OLEFINICALLY UNSATURATED CARBONYL COMPOUND OF THE GENERAL FORMULA H(R1)C=C(R2)-C(R3)O WHERE R1 IS SELECTED FROM HYDROGEN AND C1-C6 MONOVALENT HYDROCARBON RADICALS AND R2 AND R3 ARE SELECTED FROM HYDROGEN AND C1-C2 ALKYL RADICALS SELECTED FROM ACROLEIN, ALPHA-METHYL, BETA-METHYL AND BETA-PHENYL ACROLEINS, METHYL VINYL KETONE AND MIXTURES THEREOF, SAID PARTS BEING PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF COPOLYMER, (B) AND INERT FILLER IN AN AMOUNT OF ABOUT 1-20 PARTS PER ONE PART BY WEIGHT OF COPOLYMER, AND (C) A STARCH OR PROTEIN ADHESIVE IN AMOUNT OF ABOUT 3-30 PARTS PER 100 PARTS BY WEIGHT OF FILLER.
Claim 3
Dependent Claim
64 words
The composition of claim 1 wherein the copolymer is a copolymerizate of (a) 25-40 parts of said conjugated diolefin, (b) 50-70 parts of said mono-olefinically unsaturated carbonyl and carboxyl-free compound, (c) 1-3 parts of said olefinically unsaturated carboxylic acid and (d) 1-3 parts of said olefinically unsaturated carbonyl compound, the ratio of said carboxylic acid to said carbonyl compound being between 3:1 and 1:3.
Claim 4
Dependent Claim
21 words
The composition of claim 1 wherein said diolefin (a) is butadiene-1,3 and is present in amount of 50-70 parts by weight.
Claim 5
Dependent Claim
18 words
The composition of claim 2 wherein said copolymer is a copolymerizate of butadiene-1,3, styrene, acrylic acid and acrolein.
Claim 6
Dependent Claim
17 words
The composition of claim 2 wherein it contains between 30 and 70 weight percent of non-volatile materials.
Claim 7
Dependent Claim
9 words
A paper coated with the composition of claim 2.
Claim 8
Dependent Claim
18 words
The composition of claim 3 wherein said copolymer is a copolymerizate of butadiene-1,3, styrene, acrylic acid and acrolein.
Claim 9
Dependent Claim
154 words
A process comprising forming a composition comprising a blend of (A) an alkaline latex of a copolymer of at least (a) 25 parts of an acyclic conjugated diolefin, (b) 25 parts of a mono-olefinically unsaturated copolymerizable compound which is free of carbonyl and carboxyl groups, (c) 0.1-5 parts of an olefinically unsaturated carboxylic acid and (d) 0.1-5 parts of an olefinically unsaturated carbonyl compound of the general formula H(R1)C C(R2)-C(R3)O where R1 is a hydrogen or a C1-C6 monovalent hydrocarbon radical and R2 and R3 are hydrogen or C1-C2 alkyl radicals, said parts being parts by weight per 100 parts by weight of copolymer, (B) an inert filler in amount of about 1-20 parts per one part by weight of copolymer, and (C) a starch or protein adhesive in amount of about 3-30 parts per 100 parts by weight of filler coating a sheet of paper with said composition and drying the coated paper.
Claim 10
Dependent Claim
154 words
A process comprising forming a composition comprising a blend of (A) an alkaline latex of a copolymer of at least (a) 25 parts of an acyclic conjugated diolefin, (b) 25 parts of a mono-olefinically unsaturated copolymerizable compound which is free of carbonyl and carboxyl groups, (c) 0.1-5 parts of an olefinically unsaturated carboxylic acid and (d) 0.1-5 parts of an olefinically unsaturated carbonyl compound of the general formula H(R1)C C(R2)-C(R3)O where R1 is a hydrogen or a C1-C6 monovalent hydrocarbon radical and R2 and R3 are hydrogen or C1-C2 alkyl radicals, said parts being parts by weight per 100 parts by weight of copolymer, (B) an inert filler in amount of about 1-20 parts per one part by weight of copolymer, and (C) a starch or protein adhesive in amount of about 3-30 parts per 100 parts by weight of filler coating a sheet of paper with said composition and drying the coated paper.
Claim 11
Dependent Claim
64 words
The process of claim 8 wherein the copolymer is a copolymerizate of (a) 25-40 parts of said conjugated diolefin, (b) 50-70 parts of said mono-olefinically unsaturated carbonyl and carboxyl-free compound, (c) 1-3 parts of said olefinically unsaturated carboxylic acid and (d) 1-3 parts of said olefinically unsaturated carbonyl compound, the ratio of said carboxylic acid to said carbonyl compound being between 3:1 and 1:3.
Claim 12
Dependent Claim
68 words
The process of claim 9 wherein said diolefin (a) is butadiene-1,3, said unsaturated carbonyl and carboxyl-free compound (b) is selected from styrene, a-methylstyrene, achlorostyrene, vinyl toluene and mixtures thereof, said unsaturated carboxylic acid (c) is selected from acrylic, methacryliC, ethacrylic, itaconic and cinnamic acids and mixtures thereof, and said carbonyl compound (d) is selected from acrolein, a-methyl acrolein, b-methyl acrolein, b-phenyl acrolein, methyl vinyl ketone and mixtures thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |