Syntactic foam compositions useful for manufacturing floating articles
US4255524A · kind A · utility
9Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1979 |
| Grant date | Mar 10, 1981 |
| Priority date | — |
| Expiry date | Oct 16, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2309/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Syntactic foam compositions are manufactured by heat-curing, in the presence of a free radical generator, a mixture comprising a resin and hollow spheres; the resin consists of PA1 (a) 10 to 100% of polybutadiene with 20-95% 1,2 units, 5-60% thereof being in a carbocyclic cyclized form, its number average molecular weight being at most 100,000; PA1 (b) 0 to 90% of polybutadiene with 40-98% 1, 2 units and 2-60% 1, 4 units, its number average molecular weight being at most 100,000; and PA1 (c) 0 to 90% of a polymerizable liquid vinyl monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.