Preparation of rubberized cord fabric

Claim 2

A process for preparing rubberized fabric free from significant deterioration in the adhesive bond of rubber to the fabric, which process comprises 1. dipping the fabric in an aqueous dispersion containing an adhesive latex of a diene polymer and a dispersion of an acrylic copolymer having most of the links in the polymer chain of the configuration ##EQU1## in which R is H, methyl, ethyl, Cl or CN, and in which X in a majority of the links is 0-alkyl where the alkyl group has from 1 to 4 carbon atoms, X in a minority of links is OH, 2.

Claim 3

drying the fabric, and

Claim 4

drying the fabric, and

Claim 5

subsequently rubberizing the fabric. 2. A process as in claim 1, in which the fabric is an array of parallel textile cords.

Claim 6

A process as in claim 1, in which the latex is in substantial part a dispersion of a polymer made predominantly from butadiene and to a minor extent from styrene and vinyl pyridine.

Claim 7

A process as in claim 1, in which the dip composition contains a heat setting resin reactive with the acrylic resin.

Claim 8

A process as in claim 4, in which the added heat setting resin is a resorcinol formaldehyde resin.

Claim 9

A process as in claim 1, in which the acrylic copolymer is made predominantly from methyl methacrylate and to a minor extent of a material producing polymer links of the designated configuration in which X is OH.

Claim 10

A process as in claim 6, in which some of the polymer links are of the designated configuration in which X is NH-Y where Y is H or alkylol.

Claim 11

A process as in claim 6, in which the dip composition contains a soluble resorcinol-formaldehyde resin.

Claim 12

A process as in claim 1, in which X in a majority of the acrylic copolymer links is O--CH 3 , X in a minority of the links is OH, and X in a further minority of the links is NH--CH 2 --OH.

Claim 13

A process as in claim 1, in which the acrylic copolymer is made predominantly from methyl methacrylate, to a minor extent from acrylic or methacrylic acid, and to an extent at least equivalent to that of the acid from N-methylol acrylamide.

Claim 14

A process as in claim 7, in which the latex is in substantial part a dispersion of a polymer made predominantly from butadiene and to a minor extent from styrene and vinyl pyridine.

Claim 15

A process as in claim 11, in which the dip composition contains a soluble resorcinol-formaldehyde resin.

Claim 16

A process as in claim 1, in which the dip composition contains emulsified paraffin wax.

Claim 17

A process as in claim 12, in which the dip composition contains emulsified paraffin wax.

Claim 18

A process as in claim 2, in which the dipping and drying are carried out under tension.

Claim 19

A process as in claim 11, in which the dipping and drying are carried out under tension.

Claim 20

A process as in claim 1 in which not less than about 5% of the polymer links are of the designated configuration in which X is OH.

Claim 21

A process as in claim 7 in which not less than about 5% of the polymer links are of the designated configuration in which X is OH.

Claim 22

A process for preparing rubberized cord fabric free from significant deterioration in the adhesive bond of rubber to the fabric, which process comprises 1. dipping an array of parallel cords under tension in an aqueous alkaline dispersion containing a. an adhesive latex of a diene polymer consisting in substantial part of a polymer made predominantly from butadiene and to a minor extent from styrene and vinyl pyridine, b. an alkali-soluble acrylic copolymer made predominantly from methyl methacrylate, to a minor extent from acrylic or methacrylic acid, and to an extent at least equivalent to that of the acid from N-methylol acrylamide, c. a soluble resorcinol-formaldehyde resin, and d. emulsified paraffin wax 2. drying under tension, and 3. subsequently rubberizing the fabric.

Claim 23

A process for preparing rubberized cord fabric free from significant deterioration in the adhesive bond of rubber to the fabric, which process comprises 1. dipping an array of parallel cords under tension in an aqueous alkaline dispersion containing a. an adhesive latex of a diene polymer consisting in substantial part of a polymer made predominantly from butadiene and to a minor extent from styrene and vinyl pyridine, b. an alkali-soluble acrylic copolymer made predominantly from methyl methacrylate, to a minor extent from acrylic or methacrylic acid, and to an extent at least equivalent to that of the acid from N-methylol acrylamide, c. a soluble resorcinol-formaldehyde resin, and d. emulsified paraffin wax 2. drying under tension, and 3. subsequently rubberizing the fabric.

Claim 24

A process as in claim 19 in which the acrylic copolymer is made to a minor extent but not less than about 5% from acrylic or methacrylic acid.

Claim 25

A rubberized fabric, consisting of textile material, which is coated with a thin film of a composition containing an adhesive diene polymer and an acrylic copolymer having most of the links in the polymer chain of the configuration ##EQU2## in which R is H, methyl, ethyl, Cl or CN, and in which X in a majority of the links is O-alkyl where the alkyl group has from 1 to 4 carbon atoms and X in a minority of the groups is OH, and the coated fabric is embedded in rubber.

Claim 26

A rubberized fabric, consisting of textile material, which is coated with a thin film of a composition containing an adhesive diene polymer and an acrylic copolymer having most of the links in the polymer chain of the configuration ##EQU2## in which R is H, methyl, ethyl, Cl or CN, and in which X in a majority of the links is O-alkyl where the alkyl group has from 1 to 4 carbon atoms and X in a minority of the groups is OH, and the coated fabric is embedded in rubber.

Claim 27

A rubberized fabric as in claim 21 in which the textile material is a fabric of parallel cords, and in which the diene polymer is a polymer made predominantly from butadiene and to a minor extent from styrene and vinyl pyridine.

Claim 28

A rubberized fabric as in claim 22 in which the coating composition contains a resorcinol formaldehyde resin.

Claim 29

A rubberized fabric as in claim 21 in which not less than about 5% of the polymer links are of the designated configuration in which X is OH.

Claim 30

A rubberized fabric as in claim 23 in which not less than about 5% of the polymer links are of the designated configuration in which X is OH.