Patent · US Expired

Heat insulating case and process for preparing the same

US4927044A · kind A · utility

5Cited by
6References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 1985
Grant dateMay 22, 1990
Priority date
Expiry dateFeb 28, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G2120/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Cases for automobile air conditioners or car-loaded refrigerators are molded in an integrated structure of a body part and fixing parts by reaction injection molding from a mixture of a liquid A comprising 20-60% by weight of an aliphatic amine-based polyol, 30-60% by weight of a PO adduct of 4,4'-diaminodiphenylmethane and 15-40% by weight of an ordinary polyol and further containing a foam-controlling agent, a foaming agent and a catalyst and a liquid B comprising polyisocyanate as obtained through impingement.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.