Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Reexamination Certificate
2007-05-01
2007-05-01
Moore, Margaret G. (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
C528S031000, C528S032000, C524S588000, C422S082010
Reexamination Certificate
active
10860198
ABSTRACT:
A one-component or single component cure system for a polysiloxane product is provided. The cure system includes a siloxane reagent that has an unsaturated organic functional group for reacting with a crosslinking reagent. The cure system also has a crosslinking reagent that has a silicon hydride group for crosslinking with the unsaturated organic group of the siloxane reagent. Either the unsaturated functional group of the siloxane reagent, the silicon hydride group of the crosslinking reagent, or both are sterically hindered. The siloxane reagent and the sterically hindered silicon hydride crosslinking reagent are mixed together in the presence of a catalyst reagent to form the one-component cure system. Methods of making the polysiloxane product are also provided.
REFERENCES:
patent: 3234180 (1966-02-01), Wu
patent: 3539530 (1970-11-01), Karstedt
patent: 3699073 (1972-10-01), Wada et al.
patent: 3974122 (1976-08-01), Sato et al.
patent: 4329275 (1982-05-01), Hatanaka et al.
patent: 4921976 (1990-05-01), Kabeta
patent: 5169909 (1992-12-01), Okawa
patent: 5370936 (1994-12-01), Kaiya
patent: 5512882 (1996-04-01), Stetter et al.
patent: 5621038 (1997-04-01), Chen et al.
patent: 5686523 (1997-11-01), Chen et al.
patent: 5976466 (1999-11-01), Ratner et al.
patent: 6359098 (2002-03-01), Fehn et al.
patent: 6518371 (2003-02-01), Fink et al.
patent: 6710123 (2004-03-01), Amin-Sanayei et al.
patent: 6840069 (2005-01-01), France et al.
patent: 6868350 (2005-03-01), Zimmermann et al.
patent: 2002/0161140 (2002-10-01), Yoneda et al.
patent: 0 363 006 (1990-04-01), None
patent: 0 490 523 (1992-06-01), None
patent: 1 215 248 (2002-06-01), None
patent: 1 254 924 (2002-11-01), None
ASM International (Brinson, ed.),Engineered Materials Handbook, vol. 3 Adhesives and Sealants, (Dec. 1990) pp. 597-600.
Saruyama, et al., “Development of New Hydrosilylation Cure System with Microencapsulated Platinum Catalysts”; presented at Amer. Chem. Soc. Rubber Division, Anaheim, CA, (May 6-9, 1997) Paper 64.
Ganter, et al., “A New Generation of Addition Curing Silicone Heat Vulcanizing Rubbers”, presented at Amer. Chem. Soc., Rubber Division Meeting, Cincinnati, OH, (Oct. 17-20, 2000) Paper 132.
Lewis et al., “Hydrosilylation Catalysts Derived from Cyclodextrin Organometallic Platinum Inclusion Compounds and Their Use in Command-Cure Applications” Journal of Inorganic and Organometallic Polymers vol. 6, No. 2, (1996) pp. 123-144.
Lewis, et al., “The Chemistry of Fumarate and Maleate Inhibitors With Platinum Hydrosilylation Catalysts” Journal of Organometallic Chemistry 521, (1996) pp. 221-227.
March, Advanced Organic Chemistry; Reactions, Mechanisms, and Structures, 4th ed., Wiley & Sons, New York (c.1992), pp. 275-277.
March, et al., Advanced Organic Chemistry; Reaction, Mechanisms, and Structures, 5th ed., Wiley & Sons, New York (2001), pp. 365-368.
Lewis et al., “Platinum-Group Metal Cyclodextrin Complexes and Their Use as Command-Cure Catalysts in Silicones” Journal of Inorganic and Organometallic Polymers vol. 5, No. 4, (1995) pp. 377-390.
Harness Dickey & Pierce PLC
Moore Margaret G.
Therm-O-Disc Incorporated
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