Self-crosslinking composition, forming obtained from the composi

Details Self-crosslinking composition, forming obtained from the composi Self-crosslinking composition, forming obtained from the composi

1995-04-14

1997-02-18

Lipman, Bernard

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524533, 524534, 524536, 5253015, 525309, C08F 800

Patent

active

056042906

ABSTRACT:
A self-crosslinking composition contains: (a) an oil having an unsaturated fatty acid or an ester of an unsaturated fatty acid as one of its components, (b) a drier, and (c) a polymer or an elastomer that is capable of crosslinking in the absence of a peroxide. A forming (such as a floor tile, a linoleum long floor material, a wall material and a water-proof sheet) may be manufactured by forming and curing the self crosslinking composition and then adding a filler. Since the self-crosslinking composition is capable of crosslinking without using peroxide, the crosslinking reaction is easily conducted without using special equipment to reject air. The composition has a number of advantages over crosslinking methods that use peroxide, including decreased scorch generation, decreased permanent compressive strain, and superior heat resistance and anti-aging resistance. The composition is free from pollution of sulfur and metal and generates no harmful gas during waste incineration. Furthermore, the composition is capable of being blended, formed, and crosslinked under milder conditions than that of conventional methods that use peroxide. The formings show particularly high abrasion resistance, cigarette-proof properties, anti-stain properties, low charge voltages, and high stiffness. Therefore, the formings are suitable for floor tile and linoleum floor material.

REFERENCES:
patent: 4746695 (1988-05-01), Berly

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