Abstract:
The present disclosure provides a silane crosslinking adhesive, sealant or coating containing a polymer, consisting of an organic framework that supports at least two alkoxy or acyloxysilyl groups and at least one filler. The filler consists at least partially of a highly disperse silicic acid with a BET surface area of 35 to 65 m2/g and is present in the adhesive, sealant or coating in a quantity of 1 to 60% by weight, in relation to the total weight of said adhesive, sealant or coating. The disclosure also provides the use of the adhesive, sealant or coating for bonding plastics, metal, glass, ceramics, wood or wood-based material, paper, paper-based material, rubber and textiles.
Abstract:
A hydrophilic member includes, in the following order: a substrate; an undercoat layer; and a hydrophilic layer formed by heating a hydrophilic composition containing a hydrophilic polymer having a structural unit represented by the formula (I-a) defined herein and a structural unit represented by the formula (I-b) defined herein, and a non-volatile catalyst.
Abstract:
A coating fluid for forming a coating on a support for use in inkjet printing comprises a liquid medium having dispersed therein (a) an inorganic oxide selected from aluminium oxide and silica, (b) a binder polymer, and (c) a polymeric crosslinking agent containing functional groups for reaction with the inorganic oxide. The components (a), (b) and (c) are preferably dispersed in an aqueous liquid and the relative amounts of inorganic oxide to polymeric crosslinking agent are from 500:1 to 15:1 preferably 250:1 to 20:1, the relative amounts of inorganic oxide to binder polymer are from 50:1 to 2:1 preferably 20:1 to 4:1 and the relative amounts of binder polymer to polymeric crosslinking agent are from 40:1 to 2:1 preferably from 20:1 to 3:1 the amounts being by weight on a dry basis.
Abstract:
A one-part moisture curable composition comprising an oligomeric or polymeric resin having hydrolysable silyl groups in its molecule, and a organometallic catalyst, wherein the silyl groups are present at an average functionality in the range of 1.0-6.0 to provide crosslinking upon exposure to moisture. In method form, the present invention is directed at a method for coating a substrate which comprises placing the one-part moisture curable composition in a container under substantially anhydrous conditions and then applying the one part moisture curable composition to a substrate surface and crosslinking the composition upon exposure to moisture on the substrate surface.
Abstract:
A polymer composition containing a specific silyl group-containing polymer, in which the maximum size of particles contained therein is 2 &mgr;m or less, and the number of particles having a size of 0.2 &mgr;m to 2 &mgr;m is 1,000 particles/ml or less. The composition may further contain a specific compound or at least one component selected from an organosilane represented by (R1)nSi(X)4-n, a hydrolyzate of the organosilane and a condensate of the organosilane. The composition is excellent in storage stability, high in hardness and excellent in mechanical strength such as wear resistance, so that a coating film having good taking-up properties even when no lubricant is contained, extremely smooth and having no difference in film thickness can be formed.
Abstract:
A coating composition comprising the reaction product of a benzotriazole compound having a polymerizable vinyl group and a hydroxyl group with a silane compound and/or a (partial) hydrolyzate thereof is applied to plastic substrates, typically polycarbonate resin substrates to form transparent coatings having improved mar, weather and chemical resistance.
Abstract:
An aqueous paint composition comprising: (i) an aqueous dispersion obtained by neutralizing with a neutralizing agent a hydrolytic condensation reaction product of (a) 100 parts by weight of an organosilane of the formula (1) R1nSi(OR2)4-n, wherein R1 is a C1-8 organic group, R2 is a C1-5 alkyl group, and n is 1 or 2, and/or its partially hydrolyzed condensate, with (b) from 5 to 200 parts by weight of a silyl group-containing vinyl resin having hydrolyzable silyl groups or silyl groups having silicon atoms bonded to hydroxyl groups and having an acid value of from 20 to 150 mgKOH/g, and adding water thereto, (ii) an amino group-containing alkoxysilane compound, and (iii) an epoxy group-containing compound.
Abstract translation:一种水性涂料组合物,其包含:(i)通过用中和剂中和(a)100重量份式(1)的有机硅烷R 1 n Si(OR 2)4-n的水解缩合反应产物得到的水分散体,其中 R 1为C 1-8有机基团,R 2为C 1-5烷基,n为1或2,和/或其部分水解缩合物,(b)5〜200重量份含甲硅烷基 具有可水解的甲硅烷基的乙烯基树脂或具有与羟基键合的硅原子并具有20〜150mgKOH / g的酸值的甲硅烷基,向其中加入水,(ii)含氨基的烷氧基硅烷化合物,和(iii) 含环氧基的化合物。
Abstract:
A polymer composition containing a specific silyl group-containing polymer, in which the maximum size of particles contained therein is 2 nullm or less, and the number of particles having a size of 0.2 nullm to 2 nullm is 1,000 particles/ml or less. The composition may further contain a specific compound or at least one component selected from an organosilane represented by (R1)nSi(X)4-n, a hydrolyzate of the organosilane and a condensate of the organosilane. The composition is excellent in storage stability, high in hardness and excellent in mechanical strength such as wear resistance, so that a coating film having good taking-up properties even when no lubricant is contained, extremely smooth and having no difference in film thickness can be formed.
Abstract:
A film-forming composition, typically a topcoat, having improved adhesion to certain commercially available adhesives. The composition includes a curable film-forming polymer, typically an acrylic and/or a polyester polymer, with carbamate and/or urea groups. The composition further includes a material containing one or more hydrolyzable silyl groups. The hydrolyzable silyl group-containing material optionally can be a polymeric or oligomeric. Also disclosed are a method of applying the above-described film-forming composition to a substrate and the coated article prepared by such a method.
Abstract:
A primer composition showing good adhesion to the surface of a substrate, such as a glass substrate, and excellent in weather resistance and water resistance as well as a method of effecting adhesion is provided. The primer composition is characterized by comprising a saturated hydrocarbon polymer having at least one silicon-containing group which has hydroxyl or hydrolyzable group bound to the silicon atom and capable of crosslinking under formation of a siloxane bond.