Free-flowing composition of a biocide and a processing additive therewith for incorporation into a polymer or plastic matrix product

1. A composition comprising a biocide and a processing additive therewith in the form of a free-flowing powder for facile incorporation into an industrial matrix product which is a polymer, plastic or polymer-wood composite.

2. A composition according to claim 1 wherein said biocide contains an iodopropynyl group and is selected from iodopropynyl butyl carbamate (IPBC), 3-iodopropynyl carbamate and 3-iodopropynyl-N-phenyl carbamate.

3. A composition according to claim 2 wherein said biocide is IPBC.

4. A composition according to claim 1 wherein said processing additive is a combination of calcium stearate and/or zinc stearate and said polymer, plastic or polymer-wood composite.

5. An industrial matrix product comprising the composition of claim 1 and a polymer, plastic or polymer-wood composite.

6. An industrial matrix product according to claim 5 wherein said product comprises a polyolefin, flexible polyvinylchloride, a polyurethane or a polymer-wood composite.

7. A composition according to claim 1 wherein said processing additive is present in an amount of 0.1% to about 25% by weight based on the weight of the biocide.

8. A composition according to claim 1 wherein said processing additive comprises calcium stearate and/or zinc stearate in an amount, by weight, of 0.1% up to about 15%.

9. A composition according to claim 1 wherein said processing additive comprises 0.1% up to about to 10% by weight of the polymer, plastic or polymer-wood composite.

10. A composition according to claim 4 wherein the calcium stearate and/or zinc stearate is present in an amount, by weight, of 0.1% up to about 15%.

11. A composition according to claim 4 wherein said polymer, plastic or polymer-wood composite is present in an amount of 0.1% up to about 10% by weight based on the weight of the biocide.