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5591818 |
Organosilane polycondensation products
Disclosed are organosilane polycondensation products prepared by hydrolysis of an hydrogen salt of an aminosilane compound or by hydrolysis of an aminosilane followed by reaction with an alkyl...
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5587151 |
Photoprotective/cosmetic compositions comprising oxanilido-substituted polyorganosiloxanes/polyorganosilanes
Topically applicable sunscreen/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar...
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5583195 |
Photocurable epoxy silicones functionalized with fluorescent or photosensitizing marker dyes
Epoxysilicone polymers partially or completely functionalized by a fluorescent, photo-sensitizing, or simultaneously fluorescing and photo-sensitizing substituent bonded to the silicone polymer by...
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5580943 |
Imidazolinyl-functional organosiloxanes and method for preparation thereof
Imidazolinyl-functional organosiloxanes in which an aliphatically unsaturated monovalent hydrocarbon radical is bonded at the 2-position of the imidazoline ring, have from 2 to 1,100 siloxane units...
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5574130 |
Functionalized polylactide
Polylactide of the general structure I (R 1 --OCONH) n --R 2 (I) where R 1 is a polylactide residue with a molecular weight of from 500 to 500,000 or a degree of...
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5569731 |
N,N' disubstituted perylene diamide
N,N' disubstituted perylene diamide, useful in the fabrication of semiconductor devices, which exhibit good planarity and gap-fill characteristics, the cured composites of which are capable of...
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5567347 |
Fiber treatment compositions containing organofunctional siloxanes and methods for the preparation thereof
The present invention relates to fiber treatment compositions comprising an unsaturated acetate, an organohydrogensiloxane, a metal catalyst, an organosilicon compound, and optionally a dispersant....
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5563230 |
Chiral smectic liquid crystalline polymers
A chiral smectic liquid crystalline polymer having the following formula is disclosed: ##STR1## wherein m is an integer of about 40-80; n is an integer of about 1-12; R is ethylene or...
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5563184 |
Macromonomers
Novel siloxane macromonomers are disclosed which can be copolymerized with hydrophilic monomers or hydrophobic monomers to prepare polymeric materials useful as biomedical devices. The copolymers...
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5563231 |
Capped silanes and their application to textile substrates
This invention relates to water-dispersible compounds that are useful as lubricants for textile wet processing having formula (I): ##STR1## wherein R is C 1 -C 10 alkylene; R 1 is an...
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5556933 |
Polyacylurethane and process for producing the same
The present invention provides a novel polyacylurethane, and a process for producing the same. More specifically, the polyacylurethane has a number average molecular weight of 500 to 100,000, and...
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5552506 |
Organopolysiloxanes, modified with acrylate groups in the presence of a rhodium catalyst
Organopolysiloxanes, which terminally, laterally or both have at least one group of the formula ##STR1## well as at least one acrylate group, linked over a bridge element to this group, is obtained...
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5550271 |
Bis(bis-silylalkyl) dicarboxylates as adhesion promoters and compositions containing them
Bis(bis-silylalkyl) dicarboxylates, especially maleates and fumarates, are prepared by a three-step process including esterification of malaic or fumaric acid or a functional derivative thereof...
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5543460 |
Graft copolymer particles their production and compositions comprising them
Graft copolymer particles obtained by graft-polymerizing one or more kinds of vinyl monomer onto a compound rubber comprising a polyorganosiloxane component and an alkyl (meth)acrylate rubber...
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5538547 |
Process for impregnating wood
A process for impregnating wood and wood products wherein the wood is treated with a composition comprising; (A) a salt of an organic or inorganic acid and an organopolysiloxane which contains...
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5539016 |
Fluorosilicone hydrogels
Novel fluorosiloxane-containing monomers are disclosed which are especially useful for the preparation of biomedical materials such as contact lenses.
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5532398 |
Silanes, process for their preparation and their application to prepare polymers and polycondensates
Silanes of the general formula (I): {X a R b Si(R'(A) c ) (4-a-b) } x B (I) in which the groups and indices have the following meaning: X: hydrogen, halogen, hydroxy, alkoxy, acyloxy,...
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5530089 |
Polysulfoneimides
Polysulfoneimide oligomers having crosslinking end cap moleties which provide improved solvent-resistance to cured composites are generally represented by backbones of the formula: ##STR1## wherein...
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5530083 |
Silicone-polycarbonate block copolymers and polycarbonate blends having reduced haze, and method for making
A method is provided for making silicone polycarbonate block copolymers and polycarbonate blends thereof having reduced haze. Silicone polycarbonate block copolymer formation is effected by using a...
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5523374 |
Curable and cured organosilicon compositions
Curable compositions including epoxy-functional compounds and polyenes, as well as cyclic polysiloxanes, and/or tetrahedral siloxysilanes, and/or linear polysiloxanes; along with, or instead of...
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5523375 |
Silicone polyether carboxylic acids
A polyether silicone carboxylic acid or salt composition thereof useful for personal care applications.
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5523373 |
Polymethacrylate ester/polysiloxane block co-polymers method for theirsynthesis and their use as modifiers and as lacquer and varnish additives
The invention relates to polymethacrylate ester/polysiloxane block copolymer of the ABA or AB type, A being a polymethacrylate ester block and B a polysiloxane block. The invention furthermore...
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5516869 |
Amino acid functionalized silicones and method for preparation
Organofunctional siloxanes useful in a wide variety of personal care and plastics applications are disclosed having a carboxyalkylaminoalkyl functionality.
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5512376 |
Nonpolar polymers comprising antiplasticizers
A reactive component, which is curable to form a nonpolar polymer containing silicon and carbon atoms, and having a glass transition temperature of at least 20° C., is mixed with an...
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5508358 |
Polyester-silicone copolymer and coating composition using the same
Disclosed are a polyester-silicone copolymer which comprises a polyester part containing naphthalene rings and a dimethylpolysiloxane part and has a glass transition temperature of at least 60°...
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5502096 |
Room temperature quick curable organopolysiloxane composition
A room temperature curable rubber composition of a condensation curing type that comprises as a base polymer a diorganopolysiloxane or a polyoxyalkylene in which both ends of the molecular chain...
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5502134 |
Resin composition containing a polycarbonate-polydimethylsiloxane
A polycarbonate-polydimethylsiloxane copolymer, the copolymer comprising a polycarbonate block of the formula ##STR1## wherein R 1 and R 2 are hydrogen or a C 1 -C 4 alkyl, R 3 and R 4 are...
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5502143 |
Process for preparing polyimide resins
Polyimide soluble in an organic polar solvent was prepared by heating the solution in the presence of a binary catalyst having low boiling point. Block copolyimides consisting of more than three...
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5496915 |
Polyimides based on diamines containing cycloaliphatic units
Polyimides are obtainable by reacting a dianhydride component with a diamine component, at least one diamine containing cycloaliphatic units, with the proviso that the dianhydride component is a...
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5494978 |
Modified polysilazane and process for preparation thereof
A stabilized polysilazane obtained by reacting an inorganic polysilazane having a number average molecular weight of about 100 to about 100,000 with an alcohol, an organic acid, an ester, a ketone,...
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5488123 |
Polycondensates containing polysiloxane groups
The present invention relates to polycondensates of the general formula I ##STR1## in which ##STR2## and the other variables are defined as indicated in claim 1, processes for their preparation and...
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5486579 |
Wettable silicone hydrogel compositions and methods for their manufacture
Improved silicone-containing hydrogels are disclosed with enhanced wettability comprising a silicone-containing monomer, at least one acrylic-containing hydrophilic monomer, and at least one...
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5484879 |
Polyimides containing fluorine
Polyimide polymers of the following recurring structure and the corresponding polyamic acids are disclosed: ##STR1## wherein AR 1 is ##STR2## where X is O, S, SO, SO 2 , CO, C(CF 3 ) 2 , C(CH 3 )...
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5482775 |
Silicon composition and elastic roller using the composition
A silicone composition is formed as a system including a silicone compound, and an unsaturated ester compound having a perfluoro-alkyl group containing 1-20 carbon atoms. The silicone composition...
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5480946 |
Unsaturated urea polysiloxanes
New styrene-functional polysiloxanes are described which are obtained by reaction of aminoalkyl functional polysiloxanes with styrene isocyanates. The styrene functional urea polysiloxanes have...
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5478918 |
Low stress polyimide composition and precursor composition solution of same
A polyimide precursor composition solution includes a tetracarboxylic acid component containing not less than 70 mol % of at least one selected from the group consisting of benzenetetracarboxylic...
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5473040 |
Polyimidesiloxane film of low heat-conductivity
A polyimidesiloxane film having a low heat conductivity without damaging the heat resistance intrinsic of polyimide, a high hardness and a superior adherence onto its substrate, is provided, which...
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5473041 |
Polyimide having organopolysiloxane side chain
There is disclosed an organopolysiloxane having bifunctional biphenyl groups of the formula I ##STR1## wherein Q is selected from the group consisting of a nitro group, a substituted amino group...
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5468477 |
Vinyl-silicone polymers in cosmetics and personal care products
Cosmetic compositions are provided containing vinyl-silicone graft or block copolymers of the formula ##STR1##
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5468830 |
Process for preparing organopolysiloxane gum
A siloxane gum is prepared by adding a silane or siloxane having two hydrolyzable groups in a molecule to a silanol-terminated organopolysiloxane in such an amount to give a molar ratio of silanol...
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5466529 |
Polysiloxanes having anionic carboxy, phosphonic or carboxy and sulfonate groups useful as an antistain finish for nylon
A method is provided to impart stain resistance to a polyamide substrate, which method comprises contacting the substrate with an anionic polysiloxane selected from the group consisting of (A) a...
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5464922 |
Organopolysiloxane-grafted polybenzobisoxazoles and method for preparing same
There is disclosed a novel organopolysiloxane-grafted polybenzobisoxazole and a method for preparing the functional organopolysiloxane-grafted polybenzobisoxazoles using a phthaloyl...
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5463009 |
Fluorine-modified silicone, process for preparing the same, and cosmetics containing the same
A fluorine-modified silicon compound having a polymerization degree of from 1 to 400 and containing at least one siloxane unit represented by formula (1): ##STR1## wherein R 1 represents an...
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5461133 |
Stain-resistant elastomeric orthodontic force module
An elastomeric orthodontic device such as a ligature, rotation wedge or force module is made of a composition selected from one or more classes of materials, such that the device has certain...
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5457166 |
Process for preparing a polyester-modified silicone resin and a curable composition comprising the polyester-modified silicone resin
A process for preparing a polyester-modified silicone resin comprises mixing an alkoxysilane and/or its hydrolyzate, i.e. an alkoxysiloxane, and a polyester resin having at least two hydroxyl...
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5457167 |
Polyorganosiloxane-type thermoplastic resin
A polyorganosiloxane-type thermoplastic resin having excellent slidability, abrasion resistance, weatherability, impact strength, fatigue resistance and chemical resistance is disclosed. The...
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5451655 |
Process for making thermostable coating materials
Thermostable compounds are prepared by mixing perylene dianhydride with one or more aminosilanes in a molar ratio of 1:4 in an inert solvent, and the aminosilanes may comprise...
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5449705 |
Silicon-containing polyamic acid derivative and photosensitive resin composition using it
The present invention provides a silicon-containing polyamic acid derivative which is represented by the formula (VI) ##STR1## and which has a logarithmic viscosity number of 0.1 to 5.0 dl/g at...
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5446119 |
Organopolysiloxanes containing ester groups
Organopolysiloxanes which contain ester groups and comprise units of the formula ##EQU1## in which R may be an identical or different monovalent, SiC-bonded hydrocarbon radical having 1 to 18...
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5442024 |
Photosensitive polyimide precursor composition
A photosensitive polyimide precursor composition of the present invention comprises a polyimide precursor represented by the formula (6) (OR 5 ) k R 4 3 -k Si--R 3 --X--Z (6) and having...
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