The present invention discloses a modified polyvinyl chloride (PVC) paste resin and a method of making thereof. The PVC paste resin is prepared by mixing a PVC paste resin with polysiloxane (PBP), for example polyborodimethylsiloxanes.

Provided are a self-welding high dielectric silicone rubber composition and a self-welding high dielectric tape. The self-welding high dielectric silicone rubber composition comprises: (A) 100 parts by mass of an organopolysiloxane represented by an average composition formula (1) and having, in a molecule, at least two alkenyl groups bonded to silicon atoms, R.sup.1.sub.nSiO.sub.(4-n)/2 (1), (in the formula, R.sup.1 represents the same or different, unsubstituted or substituted monovalent hydrocarbon group and n is a positive number of 1.95 to 2.04); (B) 10 to 100 parts by mass of hydrophobic fumed silica having a specific surface area obtained by the BET adsorption method of 50 m.sup.2/g or larger; (C) 100 to 300 parts by mass of a conductive complex oxide; (D) 0.1 to 50 parts by mass of a boric acid or a boric acid compound; (E) 1 to 10 parts by mass of a diorganopolysiloxane capped at both molecular terminals with alkoxy groups; and (F) 0.01 to 10 parts by mass of a curing agent comprising an acyl organic peroxide. The self-welding high dielectric silicone rubber composition can be hot-air vulcanized under normal pressure by extrusion molding or roll forming with calender rolls.

A method of producing a colored film-attached glass sheet includes a step of obtaining a colored film-forming coating solution by mixing the following components: (a) a reaction product obtained by reacting an amino group-containing silane compound with at least one boron compound selected from the group consisting of H.sub.3BO.sub.3 and B.sub.2O.sub.3; (b) a metal alkoxide and/or a metal alkoxide condensate; (c) a synthetic resin; (d) a triazine-based UV absorber; (e) a solvent substantially consisting of a non-aqueous solvent having an SP value of 8 to 11.5 (cal/cm.sup.3).sup.1/2; and (f) a pigment. The colored film-forming coating solution contains the UV absorber in an amount of 5 to 12% by mass relative to the total solids content and the pigment in an amount equal to 0.02 to 0.50 times the amount of the UV absorber by mass ratio.

A primer is useful for adhering cured silicones to low energy plastic substrates. The primer is prepared from starting materials including a) an organoboron compound capable of forming a free radical generating species, and at least one of b) an organosilicon compound having, per molecule, at least one free radical reactive group and at least one other reactive group, and/or c) an organoborane liberating compound capable of reacting with starting material a) to liberate the free radical generating species. The method for forming the primer may further include use of d) an organic solvent, and e) a free radical polymerizable monomer, oligomer, macromonomer, or polymer.

The present invention relates to a shock-absorbing nanostructured polymer alloy, comprising: a (meth)acrylic polymer matrix comprising one or more (meth)acrylic polymer(s), said (meth)acrylic polymer matrix forming a (meth)acrylic network, and, at least one polyborodimethylsiloxane (PBDMS) distributed in the (meth)acrylic polymer matrix, the polyborodimethylsiloxane forming a network, the polyborodimethylsiloxane network and the (meth)acrylic network being intertwined.

The invention also relates to a chemical composition for the manufacture of such an alloy as well as a process for manufacturing a part made of such an alloy.

An aspect of the present invention is directed to a vibration damping material for use in a mount part for supporting a motor, the vibration damping material including: a gel of a dehydration condensation reaction product of silicone oil and boric acid, wherein the boric acid is in an amount of 25 to 75 moles based on 100 moles of the total amount of the silicone oil and the boric acid.

A shear thickening composition is provided. The shear thickening composition includes polydimethylsiloxane (PDMS) and boron. The boron is cross-linked to an oxygen atom in the PDMS to yield boron-cross-linked PDMS (B-PDMS). Vehicle parts including the shear thickening composition and methods of coating vehicle parts with the thickening composition are also provided.

A polymeric composition comprising at least one covalently cross-linked siloxanyl polymer cluster which is further cross-linked by a boron compound, wherein the concentration of boron is in the range 0.005-0.160 wt. %.

A polymeric composition comprising at least one covalently cross-linked siloxanyl polymer cluster which is further cross-linked by a boron compound, wherein the concentration of boron is in the range 0.005-0.160 wt. %.

The invention relates to a method for manufacturing a self-healing elastomer, comprising preparing, with respect to the total weight of the self-healing elastomer, 0.1-5 wt. % of boron trioxide (B.sub.2O.sub.3), 65-90 wt. % of hydroxyl-terminated polydimethylsiloxane (PDMS-OH), 5-30 wt. %, when measured in combined, of polysiloxane precursors, being a first composition comprising a siloxane base, and a second composition comprising a siloxane crosslinker, wherein the ratio by weight of the first composition and the second composition is 1:1 to 50:1; homogeneously mixing B.sub.2O.sub.3, PDMS-OH, and the first composition, thereby obtaining a mixture, reacting the mixture and the second composition at an elevated temperature ranging from 60? C. to 150? C., endpoints inclusive, thereby obtaining the self-healing elastomer.