Method for welding a polyolefin plastic and a plastic based on a polymer containing carbonyl groups
US10596766B2 · kind B2 · utility
1Cited by
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20Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 23, 2018 |
| Grant date | Mar 24, 2020 |
| Priority date | — |
| Expiry date | Aug 22, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2477/006
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a method for welding a polyolefin plastic and a plastic based on at least one polymer containing carbonyl groups, using a primer which contains, in relation to the proportion of polymer, at least 20 wt. % of a polymer that comprises maleic anhydride or maleic anhydride derivative units. Also disclosed are correspondingly welded products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.