Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1981-04-13
1983-05-17
Anderson, Philip E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
264 22, 264 54, 2642096, 264DIG18, 521 92, 521 95, 521134, C08L 2328, C08J 906, B29D 2700
Patent
active
043840493
ABSTRACT:
In the manufacture of bodies of foamed plastic material, a polymeric synthetic resin base material is mixed with a cross-linking agent, a foaming agent and at least one further additive. The resulting mixture is shaped without a decomposition of the cross-linking and foaming agent and is subsequently heated to effect cross-linking and foaming. In order to obtain bodies of foamed plastic materials which owing to their high flexibility and low flammability are particularly suitable as heat-insulating materials in buildings, the base material consists only of a chlorinated polyethylene resin or a mixture of such resins and heat-stabilizing agents known for use with halogen-containing polymers are incorporated in the mixture.
REFERENCES:
patent: 3812225 (1974-05-01), Hosoda et al.
patent: 3819543 (1974-06-01), Stastny et al.
patent: 4146598 (1979-03-01), Coyne
patent: 4209473 (1980-06-01), Coyne
patent: 4220730 (1980-09-01), Coyne
Anderson Philip E.
Kelman Kurt
Kunststoffwerk Karl Egger
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