Konishi Co., Ltd.

Shin-etsu Chemical Co., Ltd.

Masakazu Komemushi

Kenji Ueji

Ichiro Ono

Kenichi Isobe

Hironori Tsukada

Kiichi Ito

Akira Sawamoto

Disclosed is a water repellent for fibers, comprising an acryl-silicone graft copolymer which is prepared by a radical copolymerization reaction of an organopolysiloxane compound containing one radical polymerizable group with radical polymerizable monomers including an acrylate, a methacrylate or a mixture thereof as a main member.

Agent for water-repellent treatment of fibers

Disclosed is a felt-tipped pen type adhesive applier comprising: a container for adhesive; valve mechanism provided on the container for controllably supplying the adhesive from the container; and a server for receiving the adhesive supplied through the valve mechanism in order to serve the adhesive. The server comprises: a holder covering the outside of the valve mechanism; a member permeable to the adhesive and extending from the inside of the holder to the outside thereof and being axially slidably and fittingly supported by the holder, the permeable member cooperating with the valve mechanism to operate the valve mechanism in response to axial movement of the permeable member; a support for slidably and fittingly supporting the permeable member inside of the holder to facilitate transportation of the adhesive from the valve mechanism to the permeable member; and mechanism for preventing the adhesive from leaking out of the server due to pressure change inside the server. The preventing mechanism includes a pair of notches which are symmetrically formed on the support with respect to the permeable member. Water emulsion adhesive is stored in the container.

Felt-tipped pen type adhesive applier

Disclosed is a pressure-sensitive adhesive tape comprising: a sheet backing composed of polybutadiene foam having a substantially closed cell foam structure; and a layer of pressure-sensitive adhesive composition provided on a surface of the sheet backing. The pressure-sensitive adhesive composition in the present invention comprises: (A) an acrylic copolymer prepared from a mixuture composing: (i) at least one acrylic ester monomer having an alkyl radical containing, on average, 4 to 12 carbon atoms as an alcohol residue; and (ii) polymerizable unsaturated carboxylic acid monomer; (B) a polymer having a hydrolyzable silicon-containing radical; and (C) a polyfunctional isocyanate compound. The adhesive composition of the present invention needs no silanol condensation catalyst.

Pressure-sensitive adhesive tape

Growing community of inventors

Hirakata, Japan

Masakazu Komemushi