|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||264/464 ; 264/465 ; 264/466 ; 264/468|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 2 인용 특허 : 8|
Refrigeration units having internal parts containing a rigid polyurethane foam formed without the use of perhalogenated fluoro-chlorohydrocarbons are produced by applying a coating to the internal walls of the part in which back-foaming will take place, pouring a foam forming reaction mixture into the cavity of the part in which the internal walls have been coated and allowing the foam to form and set. The coating applied to the internal walls of the part in which back foaming is to be carried out is selected from one-component chemically cross-linking l...
A process for the production of a back foamed, deep drawn plastic part having internal and external walls which is useful as an internal part for a refrigeration unit comprising a) applying to the internal walls of the part in which the foamed plastic is to be back foamed a two-component polyurethane lacquer as a coating material, b) pouring into the part in which back foaming is to be carried out a foam forming reaction mixture comprising a polyisocyanate, an isocyanate-reactive compound and a partially halogenated hydrocarbon having at least one carbon...