Preparation method of itaconate-butadiene bio-based engineering rubber
US11890896B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 2, 2016 |
| Grant date | Feb 6, 2024 |
| Priority date | — |
| Expiry date | Dec 3, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2500/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A preparation method of itaconate-butadiene bio-based engineering rubber belongs to the bio-based engineering rubber area. The bio-based engineering rubber of the present disclosure is formed through chemical crosslinking of copolymers, which are formed by polymerization of itaconate and butadiene emulsion. The number average molecular weight of the itaconate-butadiene copolymer is about 53000-1640000, and weight-average molecular weight is about 110000-2892000. Itaconate-butadiene copolymers are formed by polymerization of itaconate and butadiene emulsion, then and chemical crosslinking of the copolymer is performed to form bio-based engineering rubber using a traditional sulfur vulcanizing system. The bio-based engineering rubber has high molecular weights as well as lower glass-transition temperatures and can be vulcanized using the traditional sulfur vulcanizing system. The bio-based engineering rubber of the present disclosure has same physic-mechanical property as well as processability as compared to rubber prepared using conventional techniques and may be used for manufacturing tire treads and conveyor belts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.