Phenolic resin curatives which form nonstaining thermoplastic el

Details Phenolic resin curatives which form nonstaining thermoplastic el Phenolic resin curatives which form nonstaining thermoplastic el

1997-06-09

1998-05-12

Short, Patricia A.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525141, 525152, C08L 900, C08L 1900, C08L 2302

Patent

active

057506256

ABSTRACT:
The phenolic resin curatives used as a curative in thermoplastic elastomers are attributed with staining of painted surfaces which physically contact the thermoplastic elastomers. When the phenolic resin curatives are esterified (e.g., acetylated, tosylated, silylated or phosphorylated) before use as a curative, the amount of staining is reduced or staining is eliminated.

REFERENCES:
patent: 4120847 (1978-10-01), Culbertson
patent: 4130534 (1978-12-01), Coran et al.
patent: 4311628 (1982-01-01), Abdou-Sabet et al.
patent: 5073597 (1991-12-01), Puydak et al.
The Chemistry of Phenolic Resins by Robert W. Martin, Chapter 9, pp. 217-248 on Reactions of Phenol-Aldehyde Products, Published on or about Jan. 1, 1956 by John Wiley & Sons, New York, N.Y.

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