C08K5/5455

FIBER TREATMENT AGENT COMPRISING AN AQUEOUS DISPERSION OF AN AQUEOUS SILICONE ELASTOMER AND A COATING
20230048808 · 2023-02-16 ·

One of the objects of the present invention is to provide a fiber treatment agent consisting of an aqueous silicone dispersion capable of quickly forming a silicone elastomer coating having elongation and strength on room-temperature drying and to provide a coating which is the dry product. Further, the object of the present invention is to provide a coating on room-temperature drying without using a high activity catalyst such as organotin compounds. The present invention provides a fiber treatment agent comprising 100 parts by mass of (A) a silicone elastomer which is an addition-reaction product of the following component (A-1) with the following components (A-2) and (A-3): (A-1) an alkenyl group-containing organopolysiloxane having two or more alkenyl groups per molecule, (A-2) an organohydrogen polysiloxane having three or more hydrosilyl groups per molecule, (A-3) a linear diorganohydrogen polysiloxane having hydrosilyl groups only at both molecular chain terminals; 0.1 to 8 parts by mass of at least one surfactant selected from (B) anionic surfactants and (C) nonionic surfactants, 3 to 35 parts by mass of (D) colloidal silica, and 15 to 200 parts by mass of (E) water, relative to total 100 parts by mass of components (A) and (D).

SILANE COUPLING AGENTS TO IMPROVE RESIN ADHESION
20230043080 · 2023-02-09 ·

There is provided herein a resin composition comprising:

(i) a silane coupling agent of the general formula (I):

##STR00001##

as described herein, and

(ii) at least one resin which is interactive with one or more of the R.sup.1, R.sup.2 and X groups of silane coupling agent (i).

SILANE COUPLING AGENTS TO IMPROVE RESIN ADHESION
20230043080 · 2023-02-09 ·

There is provided herein a resin composition comprising:

(i) a silane coupling agent of the general formula (I):

##STR00001##

as described herein, and

(ii) at least one resin which is interactive with one or more of the R.sup.1, R.sup.2 and X groups of silane coupling agent (i).

POSS-TX nano-photo-initiator synthesis and in situ photochemical Ag nano-particle synthesis with the help of POSS-TX and wrinkled surface formation

The present invention particularly relates to synthesizing photo-initiators having poly-oligo-silsesquioxane (POSS) structure and realizing photo-polymerization by using these photo-initiators and simultaneous and in-situ synthesis of Ag nano-particles in polymer matrix comprising POSS structure and obtaining wrinkled surfaces as a result of self-arranging thereof.

Silanes and Curable Compositions Containing Said Silanes as Crosslinkers
20180002353 · 2018-01-04 ·

The invention relates to a silane of the formula (1),


Si(R.sup.1).sub.m(R.sup.2).sub.n(R.sup.3).sub.4-(m+n)  (1)

as defined herein, where the silane has at least one group of the general formula (3):

##STR00001##

as defined herein, to a method for preparing the silane, and to curable compositions, containing the silane and at least one polyorganosiloxane.

Silanes and Curable Compositions Containing Said Silanes as Crosslinkers
20180002353 · 2018-01-04 ·

The invention relates to a silane of the formula (1),


Si(R.sup.1).sub.m(R.sup.2).sub.n(R.sup.3).sub.4-(m+n)  (1)

as defined herein, where the silane has at least one group of the general formula (3):

##STR00001##

as defined herein, to a method for preparing the silane, and to curable compositions, containing the silane and at least one polyorganosiloxane.

POLYSILOXANE COPOLYMER, METHOD FOR PREPARING THE SAME AND RESIN COMPOSITION INCLUDING THE SAME

The present invention relates to a polysiloxane copolymer including a structural unit derived from a siloxane-based polymer and a structural unit derived from a silane-based monomer, and a method for preparing the same. The polysiloxane copolymer of the present invention has excellent heat resistance, flexibility, transparency, photosensitivity, durability and the like, and may be widely used as a material in an optical field or/and an electronic field.

POLYSILOXANE COPOLYMER, METHOD FOR PREPARING THE SAME AND RESIN COMPOSITION INCLUDING THE SAME

The present invention relates to a polysiloxane copolymer including a structural unit derived from a siloxane-based polymer and a structural unit derived from a silane-based monomer, and a method for preparing the same. The polysiloxane copolymer of the present invention has excellent heat resistance, flexibility, transparency, photosensitivity, durability and the like, and may be widely used as a material in an optical field or/and an electronic field.

CURABLE POLYORGANOSILOXANE COMPOSITION AND ELECTRONIC COMPONENT

A curable polyorganosiloxane composition includes (a) a polyorganosiloxane having two or more curable functional groups per molecule; (b) a crosslinking agent having per molecule two or more crosslinkable groups having reactivity with the curable functional groups of the component (a); (c) a curing catalyst capable of catalyzing a crosslinking reaction of the component (a) and the component (b); (d) a pigment which itself does not emit a fluorescent light; and (e) a UV tracer. The composition can be used as an adhesive.

CURABLE POLYORGANOSILOXANE COMPOSITION AND ELECTRONIC COMPONENT

A curable polyorganosiloxane composition includes (a) a polyorganosiloxane having two or more curable functional groups per molecule; (b) a crosslinking agent having per molecule two or more crosslinkable groups having reactivity with the curable functional groups of the component (a); (c) a curing catalyst capable of catalyzing a crosslinking reaction of the component (a) and the component (b); (d) a pigment which itself does not emit a fluorescent light; and (e) a UV tracer. The composition can be used as an adhesive.