Sealants
US5411776A · kind A · utility
11Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1994 |
| Grant date | May 2, 1995 |
| Priority date | — |
| Expiry date | Mar 25, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31649
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A sealant comprising a mercapto-terminal liquid oligomer containing plasticizers, fillers and additives wherein the improvement comprises as curing agent an acrylic or methacrylic compound with at least two acrylic or methacrylic groups per molecule and a guanidine derivative as a curing catalyst having good chemical and weathering stability, low water vapor permeability and long-term elasticity properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.