Abstract:
Provided is a method of forming an antifouling coating film including the steps of [1] preparing a colored antifouling paint containing a prescribed Si-containing hydrolyzable resin and a color pigment such that a coating film having a target dry film thickness T completely hides a surface of an object to be coated, the colored antifouling paint has a color difference ”E1 between the coating film having the thickness T and a coating film having a dry film thickness of 0.8 T, at least 2.0, and preferably the colored antifouling paint has a color difference ”E2 between the coating film having the thickness T and a coating film having a dry film thickness of 1.2 T, less than 1, and [2] coating a surface of the object with the colored antifouling paint until the surface of the object is completely hidden by the coating film formed from the colored antifouling paint.
Abstract:
To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid, whereby it is possible to form a surface-treated layer which has high initial water/oil repellency and which is excellent in abrasion resistance and fingerprint stain removability, and a substrate having a surface-treated layer and a method for its production. A fluorinated ether compound which has a poly(oxyperfluoroalkylene) chain ((±²) n ) made of at least two units (±²) linked to one another, and which has a hydrolysable silyl group on at least one terminal of the chain ((±²) n ) via a linking group, wherein each unit (±²) is a poly(oxyperfluoroalkylene) group comprising one to three groups (±) made of at least one type of a C 1-2 oxyperfluoroalkylene group and one to three groups (²) made of at least one type of a C 3-6 oxyperfluoroalkylene group.
Abstract:
A polymeric coating for a glass substrate includes a hexafluoropropylene oxide derived silane polymer. The hexafluoropropylene oxide derived silane polymer has a molecular weight of greater than about 5500, a thickness of between about 2 and about 15 nanometers and a coefficient of friction constant of less than about 0.35. A water contact angle of the polymeric hexafluoropropylene oxide derived silane coating decreases by less than about 27% after being subjected to 10000 abrasion cycles.
Abstract:
The present invention has its object to provide a curable composition which comprises a guanidine compound as a non-organotin type catalyst, is less discolored, has good surface curability, depth curability, strength rise and adhesiveness, and can retain the curability even after storage; the above object can be achieved by a curable composition which comprises: (A) an organic polymer containing a silyl group capable of crosslinking under siloxane bond formation, the silyl group being a group represented by the general formula (1): -SiX 3 (1) (wherein X represents a hydroxyl group or a hydrolyzable group and the three X groups may be mutually the same or different), (B) a guanidine compound (B-1) as a silanol condensation catalyst, and (C) a plasticizer, wherein the content of the component (B-1) is not lower than 0.1 part by weight but lower than 8 parts by weight per 100 parts by weight of the component (A), and a non-phthalate ester plasticizer accounts for 80 to 100% by weight of the (C) component plasticizer.
Abstract:
The invention relates to a moisture-curing coating composition (C) containing A) 100 parts by weight of silane-terminated polymer (P) having end groups of the general formula (I) -A-Si(OR 1 )xR 2 3-x, B) from 7 to 200 parts by weight of reactive plasticizers (RP) of the general formula (II) R 3 -Si(OR 4 )yR 5 3-y, C) from 0 to 400 parts by weight of filler (F) and D) from 0.1 to 20 parts by weight of curing catalyst (K), where A is a linear or branched alkylene group having from 1 to 10 carbon atoms, R 1 , R 4 are each a linear or branched unsubstituted or halogen-substituted alkyl group having from 1 to 10 carbon atoms, R 2 , R 5 are each a linear or branched unsubstituted or halogen-substituted alkyl group having from 1 to 5 carbon atoms, R 3 is an aryl group or a linear, branched or cyclic alkyl group or alkenyl group having from 6 to 40 carbon atoms, in which individual carbon atoms can be replaced by organic radicals, where, if R 3 is a linear, branched or cyclic alkyl group or alkenyl group, the carbon chain may be interrupted by oxygen atoms, and x, y are each 1, 2 or 3, and also a method of sealing surfaces.
Abstract:
The present invention is directed to a coating composition, such as a substantially clear coating composition, which comprises (1) an alkoxysilane, (2) a polysiloxane, (3) a plurality of particles, and (4) curing agent that is reactive with the polysiloxane. The coating composition of the present invention can exhibit increased physical properties, such as scratch resistance, when compared to similar coating compositions that lack the components disclosed herein.
Abstract:
The present invention has its object to provide a curable composition which comprises a guanidine compound as a non-organotin type catalyst, is less discolored, has good surface curability, depth curability, strength rise and adhesiveness, and can retain the curability even after storage; the above object can be achieved by a curable composition which comprises: (A) an organic polymer containing a silyl group capable of crosslinking under siloxane bond formation, the silyl group being a group represented by the general formula (1): -SiX 3 (1) (wherein X represents a hydroxyl group or a hydrolyzable group and the three X groups may be mutually the same or different), (B) a guanidine compound (B-1) as a silanol condensation catalyst, and (C) a plasticizer, wherein the content of the component (B-1) is not lower than 0.1 part by weight but lower than 8 parts by weight per 100 parts by weight of the component (A), and a non-phthalate ester plasticizer accounts for 80 to 100% by weight of the (C) component plasticizer.
Abstract:
The present invention has its object to provide a curable composition which comprises a guanidine compound as a non-organotin type catalyst, is less discolored, has good surface curability, depth curability, strength rise and adhesiveness, and can retain the curability even after storage; the above object can be achieved by a curable composition which comprises: (A) an organic polymer containing a silyl group capable of crosslinking under siloxane bond formation, the silyl group being a group represented by the general formula (1): -SiX 3 (1) (wherein X represents a hydroxyl group or a hydrolyzable group and the three X groups may be mutually the same or different), (B) a guanidine compound (B-1) as a silanol condensation catalyst, and (C) a plasticizer, wherein the content of the component (B-1) is not lower than 0.1 part by weight but lower than 8 parts by weight per 100 parts by weight of the component (A), and a non-phthalate ester plasticizer accounts for 80 to 100% by weight of the (C) component plasticizer.
Abstract:
The present invention ha's its object to provide a curable composition which shows practical level of curability, without using any toxic organotin type curing catalyst. Further, The present invention has its object to provide a curable composition which has good tensile characteristics and good weather resistance while retaining practical levels of surface curability and depth curability; the above objects can be achieved by a curable composition which comprises: (A) 1 to 80 parts by weight of an organic polymer containing a reactive silyl group such as an alkyldialkoxysilyl group in a molecule; (B) 99 to 20 parts by weight of an organic polymer containing a reactive silyl group such as an alkyldialkoxysilyl group in a molecule, and having a main chain skeleton comprising a repeating unit different from that of the component (A); and (C) 0.1 to 30 parts by weight of a guanidine compound per 100 parts by weight of the sum of the component (A) and the component (B).