Heat insulating case and process for preparing the same
US4927044A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1985 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Feb 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.