A thermosetting urethane resin composition having excellent self-healing properties, antifouling properties, and elongation, a film including a curable coating of the thermosetting urethane resin composition, and a product including the film are provided. The thermosetting urethane resin composition contains a main agent containing a urethane prepolymer and an organic solvent and a curing agent. The urethane prepolymer contains a composition containing a polyol, a polyisocyanate, and a chain extender and has a hydroxy group at an end. The polyol contains a polyol having no aromatic ring. The polyol having no aromatic ring contains liquid and solid polycarbonate polyols. The polyisocyanate contains a polyisocyanate having no aromatic ring. The chain extender contains a low molecular weight triol. The curing agent contains triisocyanate. The percentage of the total amount of the low molecular weight triol and the triisocyanate is 10 mass % or higher and 35 mass % or lower.

The disclosure relates to a thermoset omniphobic composition, which includes a thermoset polymer with first, second, and third backbone segments, urethane groups linking the first and third backbone segments, and urea groups linking the first and second backbone segments. The first, second, and third backbone segments generally correspond to urethane or urea reaction products of polyisocyanate(s), amine-functional hydrophobic polymer(s), and polyol(s), respectively. The thermoset omniphobic composition has favorable omniphobic properties, for example as characterized by water and/or oil contact and/or sliding angles. The thermoset omniphobic composition can be used as a coating on any of a variety of substrates to provide omniphobic properties to a surface of the substrate. Such omniphobic coatings can be scratch resistant, ink/paint resistant, dirt-repellent, and optically clear. The thermoset omniphobic composition can be applied by different coating methods including cast, spin, roll, spray and dip coating methods.

A two-component silicone composition including a component (A) including at least one hydroxyl-terminated polydiorganosiloxane (P); preferably at least one filler; between 0.05% and 5.0% by weight of emulsified water, based on component (A); and a component (B) including at least one noncondensable polydiorganosiloxane (W) as a plasticizer; at least one organosilane (V) as a crosslinker; at least one catalyst (K) for the crosslinking of polydiorganosiloxanes; wherein all organosilanes (V) preferably have the same hydrolyzable alkoxysilane groups, preferably methoxysilane groups; and catalyst (K) is a tin complex having two mercaptide ligands of formula (V), where ligands (L.sup.1) are each independently alkyl mercaptides coordinated via sulfur, especially C.sub.6 to C.sub.16 alkyl mercaptides, where ligands (L.sup.1) optionally have methyldialkoxysilane groups, preferably methyldimethoxysilane groups, and ligands (L.sup.2) are each independently alkyl ligands, especially C.sub.6 to C.sub.14 alkyl ligands; and component (B) contains less than 5% by weight of carbon black based on component (B).

The present disclosure relates to a Michael Addition curable composition, coating composition containing the same and coated article made therefrom. In particular, the Michael Addition curable composition, comprises A) at least one reactive donor capable of providing two or more nucleophilic carbanions; B) at least one reactive acceptor comprising two or more carbon-carbon double bonds; C) at least one catalyst for catalyzing the Michael Addition crosslinking reaction between the reactive donor and the reactive acceptor; and D) at least one hardness improver, wherein the at least one reactive donor has a backbone based on an epoxy resin; and wherein the at least one hardness modifier is one or more selected from silica and urea formaldehyde resin, and the at least one hardness modifier has a particle size in micrometers and the at least one hardness modifier has a pH value of 6.5 or higher.

The invention provides a process for preparing a mixture (M) which comprises silane-terminated polymers (SP1) of the general formula (I)

Y.sup.1—[O—C(═O)—NH—(CR.sup.1.sub.2).sub.b—SiR.sub.a(OR.sup.2).sub.3-a].sub.x  (I),

optionally silane-terminated polymers (SP2) of the general formula (II)

Y.sup.2—[O—C(═O)—NH—(CR.sup.1.sub.2).sub.b—SiR.sub.a(OR.sup.2).sub.3-a].sub.z  (II) and hydroxy-functional polymers (SP3) of the general formula (III)

Y.sup.2—[O—C(═O)—NH—(CR.sup.1.sub.2).sub.b—SiR.sub.a(OR.sup.2).sub.3-a].sub.z-z1(OH).sub.z1  (III) where Y.sup.1 and Y.sup.2 are polymer radicals and R, R.sup.1, R.sup.2, x, z, z1, a and b have the definitions indicated in claim 1, wherein, in a first process step, at least one polymer (HP1) of the general formula (IV)

Y.sup.1—[OH].sub.x  (IV) reacts with at least one isocyanate-functional silane (S) of the general formula (V)

O═C═N—(CR.sup.1.sub.2).sub.b—SiR.sub.a(OR.sup.2).sub.3-a  (V) to give silane-terminated polymers (SP1), and, in a second process step, the unreacted isocyanate groups of the isocyanate-functional silane (S) of the general formula (V) are reacted with at least one oligomer or polymer (HP2) of the general formula (VI)

Y.sup.2(OH).sub.z  (VI); polymer mixtures (M) preparable by the process; and use of the polymer mixtures (M) for producing adhesives and sealants and also coatings.

A polyester resin containing a constitutional unit derived from at least one of a polyhydric alcohol derived from biomass and a polyvalent carboxylic acid derived from biomass, and a constitutional unit derived from polyethylene terephthalate, in which a ratio of carbon atoms derived from the polyethylene terephthalate is 5% to 40% with respect to 100% of all carbon atoms, and a methyl ethyl ketone insoluble matter is 5% by mass or less.

The present invention relates to a composition comprising a binder comprising one or more siloxane polymers, silicone resins, silicone based elastomers, and mixtures thereof, wherein said binder optionally comprises one or more cross-linker components comprising a silane and/or a siloxane containing silicon-bonded hydrolysable groups; and a hydrophilic powder and/or gel selected from one or more amorphous, porous hydrophilic silica(s), one or more hydrophilic silica aerogel(s) and mixtures thereof, said amorphous, porous hydrophilic silica and/or said hydrophilic silica aerogel having a BET surface area from 100 m.sup.2/g to 1500 m.sup.2/g or greater and a thermal conductivity from 0.004 to 0.05 W/m.Math.K at 20° C. and atmospheric pressure. The invention also relates to the use of said composition as or in thermally or acoustically insulating materials and to coatings, products and articles made therefrom.

A blocked isocyanate has an isocyanate group of a polyisocyanate compound blocked with one or more blocking agents including a first blocking agent, which is represented by general formula (1). At least some of the first blocking agent has been neutralized with acid.

##STR00001##

(wherein R.sup.1 to R.sup.5 each represent a hydrogen atom or a hydrocarbon group having 1 to 12 carbon atoms; R.sup.1 and R.sup.3 may be bonded to each other to form a heterocycle, R.sup.4 and R.sup.1 may be bonded to each other to form a heterocycle, and R.sup.5 and R.sup.3 may be bonded to each other to form a heterocycle).

Disclosed is an impact-resistant and aging-resistant reflective plastic applied to an automobile, which is prepared by copolymerizing of polyether polyol, 4,4,4-triphenylmethane triisocyanate and a benzimidazole derivative modified ZnS-mesoporous silica composite, the benzimidazole derivative modified ZnS-mesoporous silica composite is a ZnS-mesoporous silica composite modified by an anti-aging agent and a silane coupling agent KH-560, the ZnS-mesoporous silica is obtained by mixing an amphoteric surfactant, zinc chloride, and γ-aminopropyltrimethoxysilane uniformly, then reacting in ethyl orthosilicate, and calcining with hydrogen sulfide. In the present disclosure, by dispersing zinc sulfide in the pores of mesoporous carbon dioxide, chemical grafting 2-(2-hydroxy-5-aminophenyl)benzimidazole as a bridge onto isocyanate, and then polymerizing into polyurethane, which can improve the reflective performance and aging resistance of polyurethane, and improve the abrasion resistance and impact resistance.

This surface treatment agent using a compound represented by formula (1) or (2) can, even without having a hydrolyzable group, form a water repellent and oil repellent layer having excellent abrasion resistance under mild conditions such as at room temperature. ##STR00001##
[Rf represents a monovalent or divalent fluorooxyalkylene group-containing polymer residue, Y.sub.1 and Y.sub.2 each represent a single bond or a divalent hydrocarbon group, Q represents a group that has a Si-containing structure having a valence of 2-4, Si, or C, X represents an epoxy-containing group, k represents 0-2, m represents 1-5, n represents 1-3, Z represents H, —SiR.sub.3 (R represents an alkyl group or a phenyl group), or —W.sub.1-Q′-W.sub.2—X′ (X′ represents X or —SiR.sub.3, W.sub.1 and W.sub.2 each represent a single bond or a divalent hydrocarbon group, Q′ represents a divalent group having a Si-containing structure), and α represents 1 or 2].