摘要:
The present invention provides antifouling coating compositions having excellent long-term storage stability and provides an antifouling coating composition that can maintain the stable dissolution and antifouling performance of a coating film without causing coating film defects such as cracks in seawater for a long term, such that an antifouling coating film having increased environmental safety can be formed. The present invention provides an antifouling coating composition containing: (A) a triorganosilyl ester-containing copolymer obtained from a mixture of (a) a triorganosilyl(meth)acrylate monomer represented by general formula (1): (here, R1 is a hydrogen atom or a methyl group; and R2, R3, and R4 are the same or different from each other and each represents a C3-6 alkyl group branched at the α-position or a phenyl group) and (b) an ethylenically unsaturated monomer copolymerizable with the triorganosilyl(meth)acrylate monomer; and (B) calcium sulfate hydrate.
摘要:
An object of the present invention is to provide a composition for forming an environment friendly antifouling coating film that can effectively exhibit an antifouling effect in seawater for a long period of time and furthermore exhibits a small temperature dependency of the coating film dissolving amount. The present invention provides an antifouling coating composition comprising: (A) a triorganosilyl ester-containing copolymer obtained by a mixture of (a) a triorganosilyl methacrylate monomer represented by a general formula (1) in which R1, R2, and R3 are equal or different each other, and each represent an alkyl group having 3 to 6 carbons and branched on α-position or a phenyl group, and (b) a methoxyalkyl methacrylate monomer represented by a general formula (2) in which R4 represents an alkylene group having 2 to 4 carbons, wherein a content ratio of the monomer (a) in the mixture is 45 to 65 weight %, and a total content of the monomer (a) and the monomer (b) in the mixture is 80 weight % or more, and a copper salt that is at least one member selected from the group consisting of rosin copper salts and copper salts of rosin derivatives.
摘要:
The nonwoven fabric production process of the invention comprises a laminating step in which composite yarn, obtained by bundling a plurality of resin single filaments each having a core-sheath structure with a filamentous core resin surrounded by a sheath resin with a melting point of at least 20° C. lower than the core resin and fusing the sheath resin together, is laminated in at least the three directions of warp direction, slant direction and reverse slant direction, and a bonding step of heating the laminated filament bundles at a temperature lower than the melting point of the core resin and higher than the melting point of the sheath resin for bonding. According to the invention, it is possible to provide a nonwoven fabric production process and nonwoven fabrics with excellent plasticity and shape following property, as well as adjustable strength for adaptation to different purposes and required properties.
摘要:
A glass coating agent is provided which is adapted for application onto the surface of a glass substrate and, upon heating, forms a metal oxide layer. The glass coating agent comprises a metallic compound represented by formula (I): R1k-mM(OCOR2)mnullnull(I) wherein M represents a metal atom selected from the group consisting of tin, titanium, indium, silicon, zirconium, and aluminum; R1 represents a straight-chain, branched, or cyclic alkyl, alkenyl, or aryl group having 1 to 6 carbon atoms; R2 represents a branched alkyl group having 3 to 6 carbon atoms; k is a number representing the valence of the metal atom M; and m is a number of 1 to k. Further, there is provided a glass coating method using the glass coating agent. According to the glass coating agent, a metal oxide layer having excellent fastness properties and free from haze can be formed on the surface of glass substrates. According to the glass coating method, the metal oxide layer can be continuously and stably produced.
摘要:
The invention relates to a stampable sheet made of fiber-reinforced thermoplastic resin whose reinforcement is a glass fiber mat in which a non-oriented fiber layer and a unidirectional fiber layer are mechanically intertwined with each other. In the stampable sheet made of the fiber-reinforced thermoplastic resin according to the invention, a content of the glass long-fiber bundles forming the unidirectional fiber layer, in the glass fiber mat is 20 wt % to 80 wt %, and the glass fiber mat, in which a significant amount of glass long-fiber bundles among the glass long-fiber bundles forming the unidirectional fiber layer or a significant amount of glass long-fibers in the glass long-fiber bundles forming the unidirectional fiber layer is substantially under a relaxation condition, is used in an amount of 20 wt %.about.55 wt %. A molded article comprising at least one stampable sheet is also part of the invention.