Process for preparing oxymethylene polymers using boron trifluoride in admixture with an inert gas
US4692505A · kind A · utility
0Cited by
14References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1986 |
| Grant date | Sep 8, 1987 |
| Priority date | — |
| Expiry date | Jul 22, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Oxymethylene polymers are prepared by the continuous polymerization of trioxane using as a catalyst a blend of boron trifluoride gas and nitrogen gas. Oxymethylene polymers are used in the manufacture of plumbing fixtures, pipes, automobile body parts and a variety of other articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.