Rubber compositions containing silicon coupled oligomers

Details Rubber compositions containing silicon coupled oligomers Rubber compositions containing silicon coupled oligomers

2002-02-18

2003-04-15

Lipman, Bernard (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S332800, C525S332900, C525S333100, C525S333200, C525S342000

Reexamination Certificate

active

06548599

ABSTRACT:

BACKGROUND OF THE INVENTION
JP 51013846 discloses SiO
2
that was radiation grafted with styrene had improved compatibility as a filler with rubber.
FR 2147395 discloses polymers grafted to SiO
2
by treating the solid with polymer in the presence of AlCl
3
or BF
3
in O—Cl
2
C
6
H
4
solution.
JP 11080373 discloses rubber being dissolved in organic solvents and mixed with organometallic compounds. The rubber was then subjected to sol-gel reaction so that oxides of the metal derived from the organometallic compound are formed and dispersed finely. Upon polymerization, chemical bonds are formed between the organometallic compounds and rubber.
SUMMARY OF THE INVENTION
The present invention relates to rubber compositions containing silicon coupled oligomers.


REFERENCES:
patent: 2742378 (1956-04-01), Te Grotenhuis
patent: 4288356 (1981-09-01), Huebner et al.
patent: 4545914 (1985-10-01), Graiver et al.
patent: 4599374 (1986-07-01), Bluestein
patent: 4977200 (1990-12-01), Itoh et al.
patent: 5112884 (1992-05-01), Hanke
patent: 5182174 (1993-01-01), Stephenson
patent: 5223586 (1993-06-01), Mautner et al.
patent: 5409609 (1995-04-01), Soria et al.
patent: 5631331 (1997-05-01), Sakakura et al.
patent: 5840800 (1998-11-01), Joffre et al.
patent: 6069201 (2000-05-01), Okinoshima et al.
patent: 0402904 (1990-06-01), None
patent: 0776937 (1997-06-01), None
patent: 51013846 (1976-02-01), None
patent: 61255945 (1986-11-01), None
patent: 8217842 (1996-08-01), None
patent: 10077368 (1998-03-01), None
patent: 11080373 (1999-03-01), None
patent: 11255843 (1999-09-01), None
Abstract from Spanish Journal of article entitled “Effect of Surface Treatment of Silica on the Reinforcement of Elastomers” by Sanchez et al.; 1976.
Abstract of French Patent No. 2147395 dated Mar. 9,1973.

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