Solvent-free silicone composition for release paper

Details Solvent-free silicone composition for release paper Solvent-free silicone composition for release paper

2006-11-21

2008-08-19

Gulakowski, Randy (Department: 1796)

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

Synthetic resins

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

C525S477000

Reexamination Certificate

active

07414096

ABSTRACT:
A solvent-free silicone composition for release paper, comprising:(A) an organopolysiloxane represented by the following average compositional formula (1)(B) an organopolysiloxane represented by the following average compositional formula (2)(C) an organopolysiloxane having alkenyl groups only at its ends, represented by the following formula (3)and(D) an organohydrogenpolysiloxane represented by the following formula (4)wherein the component (A) is contained in an amount of from 10 to 30 wt %, the component (B) is contained in an amount of from 10 to 30 wt %, the component (C) is contained in an amount of from 40 to 80 wt %, based on a total weight of the components (A), (B) and (C), and the component (D) is contained in such an amount that a molar ratio of the hydrogen atom or atoms bonded to a silicon atom to a total of the alkenyl groups of the components (A), (B) and (C) ranges from 1.0 to 4.0. The composition forms a tight release layer whose release force largely increases with release speed.

REFERENCES:
patent: 3425967 (1969-02-01), Modic
patent: 3922443 (1975-11-01), Brown et al.
patent: 4057596 (1977-11-01), Takamizawa et al.
patent: 4071644 (1978-01-01), Grenoble
patent: 4293671 (1981-10-01), Sasaki et al.
patent: 4806391 (1989-02-01), Shorin
patent: 5190827 (1993-03-01), Lin
patent: 5204437 (1993-04-01), Ikeno et al.
patent: 5292586 (1994-03-01), Lin et al.
patent: 5366809 (1994-11-01), Schmidt et al.
patent: 5399614 (1995-03-01), Lin et al.
patent: 5468828 (1995-11-01), Hurford et al.
patent: 5519082 (1996-05-01), Yoshino
patent: 6077611 (2000-06-01), Griswold et al.
patent: 6121368 (2000-09-01), Heying et al.
patent: 6201055 (2001-03-01), Lutz et al.
patent: 6328682 (2001-12-01), Shudo
patent: 6387487 (2002-05-01), Greenberg et al.
patent: 6696161 (2004-02-01), Irifune et al.
patent: 6794444 (2004-09-01), Yamamoto et al.
patent: 7049375 (2006-05-01), Meguriya
patent: 7128977 (2006-10-01), Yamamoto et al.
patent: 2003/0035965 (2003-02-01), Irifune et al.
patent: 2003/0134131 (2003-07-01), Yamamoto et al.
patent: 49-47426 (1974-05-01), None
patent: 50-141591 (1975-11-01), None
patent: 52-39791 (1977-10-01), None
patent: 57-77395 (1982-05-01), None

Affiliated with

Also associated with

Rating

Solvent-free silicone composition for release paper does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Solvent-free silicone composition for release paper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Solvent-free silicone composition for release paper will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4019690