Agent for treating water repellency supply cloth and water repellency supply cloth
US6309984A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1999 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Jul 30, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/218
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water repellency supply cloth supplying a water-repellent film having excellent persistency by a simple operation of polishing the body of a car or wiping out waterdrops after car washing is provided. A trimethyl siloxi silicate derivative having free hydroxyl groups is added to a dimethylpolysiloxane solution of trimethyl siloxi silicate expressed in the following formula (1) by 10 to 60 parts by weight with respect to 100 parts by weight of trimethyl siloxi silicate, and amino modified dimethylpolysiloxane, a surface active agent and/or fine powder is dissolved in an organic solvent or dispersed in water at need, to obtain an agent for treating a water repellency supply cloth according to the present invention. Cloth is impregnated with the agent for treating a water repellency supply cloth to contain a nonvolatile component corresponding to 1.0 to 50.0 parts by weight of the aforementioned agent for treating a water repellency supply cloth with respect to 100 parts by weight of the cloth, and thereafter a volatile component is vaporized to obtain the inventive water repellency supply cloth. EQU [(CH.sub.3).sub.3 SiO.sub.1/2 ].sub.X.[SiO.sub.2 ].sub.Y (1) where X=1 to 3 and Y=0…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.