Composition for coating heat sensitive substrates

Details Composition for coating heat sensitive substrates Composition for coating heat sensitive substrates

1980-10-23

1982-06-01

Nielsen, Earl A.

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

Synthetic resins

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

528 16, 528 26, 528 27, C08G 5970, C08G 5940, C08G 7746

Patent

active

043329233

ABSTRACT:
Low temperature, fast curing compositions suitable for coatings, particularly for paper and other heat sensitive substrates, consist of certain epoxy resins, certain organopolysiloxanes containing silanol groups and contain organo aluminum catalysts. For example, glassine or Kraft paper are coated with a mixture of a cycloaliphatic epoxy resin having an epoxide equivalent weight of 140, a hydroxyl endblocked polydimethylsiloxane having a degree of polymerization of about 10 and aluminum tris(acetylacetonate) and cured in one minute at 135.degree. C.

REFERENCES:
patent: 2645629 (1953-07-01), Nitzsche
patent: 3431143 (1969-03-01), Johnson et al.
patent: 3779988 (1973-12-01), Rembold et al.
patent: 3843577 (1974-10-01), Keil
patent: 3926885 (1975-12-01), Keil
patent: 3971747 (1976-07-01), Bank et al.
patent: 4082719 (1978-04-01), Liles et al.

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