Higher modulus compositions incorporating particulate rubber
Abstract
Rubber particles, to be used as fillers or extenders for various composite polymer systems, are chlorinated by a gas-solid phase reaction with a chlorine-containing gas. A composite polymer containing the chlorinated rubber fillers or extenders exhibits a higher flexural modulus than if prepared using an unchlorinated rubber filler or extender. Chlorination of the rubber particles is carried out by contacting the finely divided rubber particles with a chlorine-containing gas comprising at least about 5 volume percent chlorine. Advantageously, the chlorine can be diluted with air, nitrogen or other essentially inert gases and may contain minor amounts of fluorine. Improved performance is obtained with nitrogen dilution of the chlorine gas over air dilution. Improved polymer composite systems having higher flexural modulus result from the use of the chlorinated rubber particles as fillers instead of unchlorinated rubber particles. 2 figs.
- Inventors:
- Issue Date:
- Research Org.:
- Air Products and Chemicals Inc
- Sponsoring Org.:
- USDOE, Washington, DC (United States)
- OSTI Identifier:
- 563654
- Patent Number(s):
- 5693714
- Application Number:
- 08/609,520
- Assignee:
- Composite Particles, Inc., Allentown, PA (United States)
- DOE Contract Number:
- AC07-88ID12695; FC02-93CE41037
- Resource Type:
- Patent
- Resource Relation:
- Other Information: PBD: 2 Dec 1997
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; RUBBERS; CHLORINATION; COMPOSITE MATERIALS; FLEXURAL STRENGTH; POLYMERS; CHLORINE; FILLERS
Citation Formats
Bauman, B D, Williams, M A, and Bagheri, R. Higher modulus compositions incorporating particulate rubber. United States: N. p., 1997.
Web.
Bauman, B D, Williams, M A, & Bagheri, R. Higher modulus compositions incorporating particulate rubber. United States.
Bauman, B D, Williams, M A, and Bagheri, R. Tue .
"Higher modulus compositions incorporating particulate rubber". United States.
@article{osti_563654,
title = {Higher modulus compositions incorporating particulate rubber},
author = {Bauman, B D and Williams, M A and Bagheri, R},
abstractNote = {Rubber particles, to be used as fillers or extenders for various composite polymer systems, are chlorinated by a gas-solid phase reaction with a chlorine-containing gas. A composite polymer containing the chlorinated rubber fillers or extenders exhibits a higher flexural modulus than if prepared using an unchlorinated rubber filler or extender. Chlorination of the rubber particles is carried out by contacting the finely divided rubber particles with a chlorine-containing gas comprising at least about 5 volume percent chlorine. Advantageously, the chlorine can be diluted with air, nitrogen or other essentially inert gases and may contain minor amounts of fluorine. Improved performance is obtained with nitrogen dilution of the chlorine gas over air dilution. Improved polymer composite systems having higher flexural modulus result from the use of the chlorinated rubber particles as fillers instead of unchlorinated rubber particles. 2 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 02 00:00:00 EST 1997},
month = {Tue Dec 02 00:00:00 EST 1997}
}