Plastisols containing bonding aids

Claim 2

A PVC PLASTISOL COMPRISING A. FROM 10 TO 50% BY WEIGHT OF A PLASTICIZABLE POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE WITH UP TO 20% BY WEIGHT OF ETHYLENICALLY-UNSATURATED MONOMERS COPOLYMERIZABLE WITH VINYL CHLORIDE, B. FROM 6 TO 60% BY WEIGHT OF A PLASTICIZER FOR POLYVINYL CHLORIDE, WITH THE PROVISO THAT SAID PLASTICIZER COMPONENT CONTAINS FROM 2 TO 30% BY WEIGHT OF THE PLASTISOL OF A PLASTICIZER FOR POLYVINYL CHLORIDE CONTAINING AT LEAST ONE VICINAL EPOXIDE GROUP, SAID PLASTICIZER CONTAINING SAID AT LEAST ONE VICINAL EPOXIDE GROUP BEING SELECTED FROM THE GROUP CONSISTING OF EPOXIDIZED SOY BEAN OIL, EPOXIDIZED LINSEED OIL, THE 2-ETHYLHEXYL ESTER OF EPOXIDIZED OCTYL OLEATE AND THE MIXTURES THEREOF, WHEREIN THE RATIO OF COMPONENT A TO COMPONENT B IS FROM 1:0.6 TO 1:2, C. FROM 0.05 TO 3.0% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF IMIDAZOLE, ALKYLATED IMIDAZOLE, CHLORINATED IMIDAZOLE, BENZINIDAZOLE, AN ACID ADDITION SALT OF SAID IMIDAZOLE WITH A WEAK ACID, AN ACID ADDITION SALT OF BENZIMIDAZOLE WITH A WEAK ACID, AND THE MIXTURES THEREOF, D. FROM 0.2 TO 5% BY WEIGHT OF A BASIC METAL STABILIZER COMPOUND, AND E. FROM 0 TO 70% BY WEIGHT OF INERT MATERIALS SELECTED FROM THE GROUP CONSISTING OF INORGANIC FILLERS AND MINERAL PIGMENTS.

Claim 3

The plastisol of claim 1, wherein there is from 0.1 to 1% by weight of said component (C).

Claim 4

The plastisol of claim 1, wherein there is from 0.3 to 2% by weight of said basic metal stabilizer compound of component (D).

Claim 5

The plastisol of claim 1, wherein there is from 5 to 20% by weight of said plasticizer containing at least one vicinal epoxide group of component (B).

Claim 6

The plastisol of claim 1, wherein said basic metal stabilizer compound of component (D) is selected from the group consisting of lead stabilizer compounds, zinc oxide stabilizer compounds and the mixtures thereof.

Claim 7

The plastisol of claim 1, wherein said member of component (C) is a imidazole compound selected from the group consisting of

Claim 8

The plastisol of claim 1, wherein in (B), said plasticizer containing said at least one vicinal epoxide group is selected from the group consisting of epoxidized linseed oil, 2-ethylhexyl ester of epoxidizeD soybean fatty acid and the mixtures thereof, wherein in (C), said member is selected from the group consisting of imidazole and benzimidazole, and wherein in (D), said basic metal stabilizer compound is dibasic lead phosphite.

Claim 9

In a PVC plastisol comprising A. a plasticizable polymer selected from the group consisting of polyvinyl chloride and copolymers of vinyl chloride with up to 20% by weight of ethylenically-unsaturated monomers copolymerizable with vinyl chloride, B. an effective amount of a plasticizer for polyvinyl chloride, and optionally C. inert materials selected from the group consisting of inorganic fillers and mineral pigments; the improvement which comprises utilizing in (B) as said effective amount of a plasticizer for polyvinyl chloride, from 6 to 60% by weight of a plasticizer for polyvinyl chloride, with the proviso that said plasticizer component contains from 2 to 30% by weight of the plastisol of a plasticizer for polyvinyl chloride containing at least one vicinal epoxide group, said plasticizer containing said at least one vicinal epoxide group being selected from the group consisting of epoxidized soy bean oil, epoxidized linseed oil, the 2-ethylhexyl ester of epoxidized soybean fatty acid, epoxidized butyl oleate, epoxidized octyl oleate, and the mixtures thereof, wherein the ratio of component A to component B is from 1:0.6 to 1:2; further in combination with D. from 0.05% to 3.0% by weight of a member selected from the group consisting of imidazole, alkylated imidazoles, chlorinated imidazoles, benzimidazole, an acid addition salt of said imidazoles with a weak acid, an acid addition salt of benzimidazole with a weak acid, and the mixtures thereof, and E from 0.2 to 5% by weight of a basic metal stabilizer compound.

Claim 10

In a PVC plastisol comprising A. a plasticizable polymer selected from the group consisting of polyvinyl chloride and copolymers of vinyl chloride with up to 20% by weight of ethylenically-unsaturated monomers copolymerizable with vinyl chloride, B. an effective amount of a plasticizer for polyvinyl chloride, and optionally C. inert materials selected from the group consisting of inorganic fillers and mineral pigments; the improvement which comprises utilizing in (B) as said effective amount of a plasticizer for polyvinyl chloride, from 6 to 60% by weight of a plasticizer for polyvinyl chloride, with the proviso that said plasticizer component contains from 2 to 30% by weight of the plastisol of a plasticizer for polyvinyl chloride containing at least one vicinal epoxide group, said plasticizer containing said at least one vicinal epoxide group being selected from the group consisting of epoxidized soy bean oil, epoxidized linseed oil, the 2-ethylhexyl ester of epoxidized soybean fatty acid, epoxidized butyl oleate, epoxidized octyl oleate, and the mixtures thereof, wherein the ratio of component A to component B is from 1:0.6 to 1:2; further in combination with D. from 0.05% to 3.0% by weight of a member selected from the group consisting of imidazole, alkylated imidazoles, chlorinated imidazoles, benzimidazole, an acid addition salt of said imidazoles with a weak acid, an acid addition salt of benzimidazole with a weak acid, and the mixtures thereof, and E from 0.2 to 5% by weight of a basic metal stabilizer compound.