Abstract:
The present invention relates to a composition, comprising a binder resin, a block copolymer which comprises at least a block A and a block B, wherein the block A comprises monomer units derived from a compound selected from (meth)acrylic acid, a (meth)acrylic acid ester, a (meth)acrylamide, a vinyl aromatic compound, or any mixture thereof, the block B comprises monomer units derived from a compound selected from a fluorinated (meth)acrylic ester having the following formula (I): H2C=C(R1)(C(0)ORF-1), wherein R1 is H or methyl; and RF-1 is an organic residue containing a perfluorinated C4-6 alkyl group, a fluorinated alpha-olefm having the following formula (II): H2C=CH(RF-2) (II) wherein RF-2 is an organic residue containing a perfluorinated C4-6 alkyl group, i.e. -(CF2)3-5-CF3 or any mixture thereof.
Abstract:
The present invention relates to curable compositions comprising a thermolatent amidine base and an organic material which is polymerisable or crosslinkable with a basic or nucleophilic catalyst. In particular, the invention relates to curable coating compositions, especially powder coating compositions, and curable adhesive compositions, as well as to the use a thermolatent amidine base as a curing catalyst for thermally induced base- catalyzed polymerisation or crosslinking reactions.
Abstract:
The invention relates to a powder composition comprising particles of a) an alkali metal tungsten bronze, b) tungsten oxide, and c) tungsten metal, a method for the preparation of said powder composition, and to the use of said powder composition in form of a dispersion in a polymer material or article for heat shielding, or to increase the heat-input amount of near infrared radiation in processes selected from laser welding of plastics, NIR curing of coatings, drying of printing inks, fixing of ink toners to a substrate, heating of plastic performs, laser marking of plastics or paper.
Abstract:
The invention relates to the use of tungsten oxide or of tungstate to increase the heat-input amount of near infrared radiation in processes selected from laser welding of plastics, NIR curing of coatings, drying of printing inks, fixing of ink toners to a substrate, heating of plastic preforms, laser marking of plastics or paper.
Abstract:
The present invention relates to novel block copolymers of general formula (I). The invention further relates to a method for producing such block copolymers and to the use of such block copolymers, particularly as additives in liquid coating-agent compositions. A{X-[O-C(O)NH-Y-NH-C(O)-O-M-B]k}n (I). In formula (I), the variables have the following meanings: n is a number in the range from 1 to 40 or 2 to 40, particularly 1 to 10 or 2 to 10 and especially 2 to 5; k is 1 or 2; A is a poly(dimethylsiloxane) block; B is a polymer block constructed of ethylenically unsaturated monomers, which optionally comprises a terminal group different from hydrogen; X is a bivalent or trivalent group having 2 to 20 C atoms, which is saturated or unsaturated and which optionally bears 1, 2, 3, or 4 substituents selected from among OH, COOH, CONH2, C1-C4 alkoxy, C1-C4 alkoxycarbonyl, and halogen; Y is a bivalent hydrocarbon group having 2 to 20 C atoms, which is saturated or unsaturated, and M is a chemical bond or C2-C10 alkylene, which can be interrupted by one or two groups not directly adjacent, selected from among O, C(=O)O, and (C=O)NH and which optionally bears 1, 2, 3, or 4 substituents selected from among OH, COOH, CONH2, C1-C4 alkoxy, C1-C4 alkoxycarbonyl, and phenyl.
Abstract:
Pigmented coating material comprising at least one inorganic white pigment and at least one infrared radiation-absorbing material in an amount of 0.01 to 5 wt%, based on the inorganic white pigment, said pigmented coating material being a masonry paint or a render.
Abstract:
Una composición curable que comprende (A) un material orgánico que se puede polimerizar y entrecruzar con un catalizador básico o nucleófilo y (B) un compuesto de la fórmula **Fórmula** en donde R1 forma junto con el átomo de carbono y el nitrógeno, que se une a, un sistema de anillo C2-C20 mono-o policícico, quepuede contener adicionalmente uno o más heteroátomos de O, S y/o N y/o que es no sustituido o sustituido poralquilo C1-C18; alquilo C1-C18, que se sustituye por E y/o interrumpe por D: cicloalquilo C5-C12, que se sustituye por E y/ointerrumpe por D; cicloalquenilo C5-C12; alquenilo C2-C18; alquinilo C2-C18; arilo C6-C18; arilo C8-C18, que se sustituye porG; heteroarilo C2-C18; heteroarilo C2-C18, que se sustituye por G; alcoxi C1-C18; alcoxi C1-C18 que se sustituye por E y/ointerrumpe por D; alquiltio C1-C18; alquiltio C1-C18, que se sustituye por E y/o interrumpe por D; aralquilo C7-C18; aralquiloC7-C18, que se sustituye por G; halógeno; oxo; OH; SH; CN; NH2; NO2; COOH; NHR6; NR7R8; CONH2; CONR9R10; COR11; C(O)OR12; SO2R13; SO3R14;SO2NHR15; SO2NR16R17; o dicho sistema de anillo se sustituye por uno o más grupos de la fórmula **Fórmula**
Abstract:
The invention relates to a coating composition comprising short chain fluorinated acrylates and to the use of short chain fluorinated acrylates as levelling agents for pigmented and unpigmented coating compositions. The coating composition comprises a) a film forming binder resin, and b) a copolymer made by controlled polymerization or by conventional radical polymerization comprising a monomer (M1x) selected from unsaturated monomers out of the group of (meth)acrylates, styrenic monomers or (meth)acrylamides whereby the copolymer contains at least >30 wt % (meth)acrylates; and a monomer (M2y) selected from C1-C4-fluoralkyl(meth)acrylates; x denotes the total number of monomers M1 within the structural element (M1x): x>5, preferred, 10-1000, most preferred, 10-500; y denotes the total number of monomers M2 within the structural element (M2y): y>1, preferred, 2-20, most preferred 2-10; c) optional other conventional coating components and/or additives.