Patent classifications
C08G18/792
Urethane adhesive composition
The present invention is to provide a urethane adhesive composition which exhibits excellent heat-resistant adhesion after storage to resin. The present invention relates to a urethane adhesive composition including: a urethane prepolymer having an isocyanate group; an isocyanurate compound having an isocyanurate ring; a terpene compound having active hydrogen; and a vinyl silane coupling agent represented by Formula (A) below: (where in Formula (A), R.sup.1 and R.sup.3 each independently represent a monovalent hydrocarbon group, R.sup.2 represents a (n+1) valent hydrocarbon group, Vi represents —CH═CH.sub.2, m1 is from 1 to 3, m2 is from 1 to 3, m3 is from 0 to 2, m1+m2+m3 is 4, and n is 1 or greater). ##STR00001##
COREACTIVE MATERIALS AND METHODS FOR THREE-DIMENSIONAL PRINTING
Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also disclosed.
Use of amphiphilic surface modifying additives to improve performance of siloxane-polyurethane fouling-release coatings
The invention relates to curable coating compositions containing at least one surface modifying amphiphilic additive; and at least one siloxane-polyurethane coating composition. The invention also relates to methods of making and using the curable coating compositions of the invention. The invention also relates to objects coated with the curable coating composition of the invention. The invention also relates to methods for reducing or preventing biofouling of a surface exposed to an aqueous environment comprising the steps of coating the surface with the curable coating composition of the invention to form a coated surface, and curing the coating composition on the coated surface. The invention also relates to a marine fouling-release coating containing the curable coating composition of the invention.
Two-component coating compositions for coating fiber-reinforced plastics materials
The present disclosure relates to two-component coating material compositions including a paint base component A and a curing component B. The paint base component A includes one or more polyols A1 selected from the group of polyols containing ester groups and which possess a hydroxyl number of 300 to 500 mg KOH/g and have a hydroxyl group functionality of greater than 2. The curing component B includes one or more polyisocyanates B1 having on average 2.4 to 5 NCO groups. The two-component coating material composition possesses a solids content of at least 96 wt %, and the molar ratio of the NCO groups in the curing component B to the acidic hydrogen atoms in the paint base component A is from 1:1.15 to 1:0.95. The disclosure further relates to a method for coating fiber-reinforced plastics and to a method for producing coated fiber-reinforced plastics, and to coating fiber-reinforced plastics.
Urea group containing anti-sagging rheology control agents
The present invention relates to a urea group containing product comprising one or more species of formula (I) R.sup.1—X—(C═O)—[NH—R.sup.2—NH—(C═O)—NH—R.sup.3—NH—(C═O)].sub.n—NH—R.sup.2—NH—(C═O)—X—R.sup.1 (I), 5 wherein R.sup.1 is independently selected from organic groups having (4) to (200) carbon atoms, X is O or NR.sup.4, wherein R.sup.4 is a hydrogen atom or an aliphatic or aromatic group having (1) to (30) carbon atoms, R.sup.2 is independently selected from hydrocarbyl groups having (4) to (40) carbon atoms, R.sup.3 is independently selected from hydrocarbyl groups having (2) to (40) carbon atoms, and wherein on average (76) to (100) mol % of all R.sup.3 groups contained in the one or more species of formula (I) are hydrocarbyl groups having (2) or (3) carbon atoms, and n is an integer of (2) to (150). The invention further relates to a method of manufacturing such urea group containing products, liquid compositions containing the same and the use of such liquid compositions as rheology control additives. Furthermore, the invention relates to a process for rheology adjustment adding such liquid composition to semi-finished or final products. The invention also relates to an article coated with the liquid composition.
DECORATIVE FILM AND DECORATIVE ARTICLE USING SAME, AND SURFACE PROTECTIVE COMPOSITION
Provided is a decorative film having excellent weather resistance, scratch resistance, and elongation properties, and a decorative article using the same, and a surface protective composition that can exhibit such properties. A decorative film according to one embodiment of the present disclosure includes a surface protective layer. The surface protective layer contains a polyurethane resin obtained by reacting a composition containing a polycarbonate diol, and a trimer or higher multimer of a diisocyanate including a cyclohexane structure, a diisocyanate including a cyclohexane structure or a prepolymer thereof, or a mixture thereof, and the decorative film satisfies Formulas 1 to 3 below: 0≤X.sup.1≤2.00 . . . Formula 1 X.sup.1≤−0.7×X.sup.2+4.67 . . . Formula 2 X.sup.1≥−0.7×X.sup.2+2.14 . . . Formula 3 where X.sup.1 is a numerical value obtained by multiplying the number of branches from a branch point relative to a converted molecular weight of the polyurethane resin by 1000, and X.sup.2 is a numerical value obtained by multiplying the number of cyclohexane structure portions included in the polyurethane resin relative to the converted molecular weight of the polyurethane resin by 1000.
COATING COMPOSITION AND METHOD FOR FORMING COATING FILM
An object is to providing a coating composition for attaining excellent storage stability of a coating material, excellent stain resistance (a property of preventing stains from adhering or a property of removing stains) of a coating film, and excellent durability of stain resistance of the coating film, and excellent scratch resistance of the coating film, and having transparency, and protecting the appearance for a long period of time, as well as a method of forming the coating film of the same. As a solution, provided is a coating composition comprising a silyl group-containing acrylic resin (A), a silyl group-free acrylic resin containing hydroxyl group (B), a polyisocyanate compound (C), and a catalyst (D), wherein the silyl group-containing acrylic resin (A) includes at least one polydimethyl siloxane segment.
POLYURETHANES BASED ON TERMINAL DIOL- AND DIAMINOPOLYPHOSPHAZENES AND THEIR HYDROGELS
The present invention relates to polyphosphazenes, polyurethanes based on these polyphosphazenes, methods for their manufacture and hydrogels based on the polyurethanes. The invention further relates to the use of the hydrogels in medical, veterinary and agricultural applications. The terminal ends of the polyphosphazenes bear NCO-reactive hydrogen atoms for reaction with polyisocyanates.
Urethane-Based Adhesive Composition
A urethane-based adhesive composition includes a urethane prepolymer, a carbon black A having a dibutyl phthalate oil absorption number of 30 to 40 ml/100 g, a carbon black B having a dibutyl phthalate oil absorption number of 98 to 108 ml/100 g, a calcium carbonate C, a plasticizer D, a modified product E of an aliphatic diisocyanate, and a catalyst, and the urethane-based adhesive composition is configured to satisfy all of the following (1) to (6): (1) 25≤a≤35, (2) 55≤b≤75, (3) 197≤a+3b≤251, (4) 30≤c≤35, (5) 35≤d≤45, and (6) 9≤e≤13.
Composition, coating film, fluorine-containing coating film and laminate
A coating film obtained from a composition containing a polyaspartic acid ester and a fluoropolymer. Also disclosed is fluorine-containing coating film including a urethane bond and a urea bond, and exhibiting a corrosion from scribe of 1 mm or shorter. Both coating films have a thickness of 100 to 1000 μm. Also disclosed is a laminate including a base and one or the other of the coating films.