Patent classifications
C08G18/225
VEHICLE WIPER BLADE
A vehicle wiper blade comprises a blade support part and a lip part coupled swingably with the blade support part via a neck. The lip part comprises polyurethane. The polyurethane comprises a reactant of a composition including an isocyanate compound which includes diisocyanate and tri- or higher functional polyfunctional isocyanate, and an alcohol which includes tri- or higher functional polyfunctional alcohol. The diisocyanate has an aromatic ring in a molecule. When a molecule of the polyurethane is ionized with a mass spectrometer of a direct sample injection system, then obtained M1, M2 and M3 satisfy the following relation: M2/M1 is 0.001 to 0.028, M3/M1 is 0.020 to 0.110, and M2/M3 is 0.013 to 0.300, and a concentration of the polyfunctional alcohol in the polyurethane is 0.12 mmol/g to 0.65 mmol/g.
VEHICLE WINDSHIELD WIPER BLADE
A vehicle windshield wiper blade comprising: a blade support portion; and a lip portion, wherein the lip portion has a tapered portion having a cross section that is taken along a direction perpendicular to the longitudinal direction of the wiper blade and that has a width that gradually decreases from a side closer to the blade support portion towards a direction farthest away from the blade support portion, the lip portion has a tip surface and first and second tapered surfaces constituting the tapered portion, and, in a specific observation region of the first and second tapered surfaces, the average value of the elastic modulus measured at a 0.1 μm pitch is 15-470 MPa and the coefficient of variation of the elastic modulus is at most 17.6%.
THERMOSETTING FOAMS HAVING IMPROVED INSULATING VALUE
Disclosed are methods of forming foam comprising: (a) providing a foamable composition comprising an isocyanate, a polyol and a physical blowing agent comprising at least about 50% by weight of hydrohaloolefin, including trans1233zd, and wherein the polyol comprises a polyol or mixture of polyols such that the hydrohaloolefin, including trans1233zd, has a solubility in said polyol of less than about 30%; and (b) forming a foam from said foamable composition.
Cosmetic composition containing aqueous gelling agent, and method for producing aqueous gelling agent and cosmetic composition
A cosmetic composition including component (A), which is an aqueous gelling agent represented by general formula (1) described in the specification, and a component (B), which is a polymeric thickening agent, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass % of at 25° C. of 1,000 to 5,000 mPa.Math.s and a clouding point of the aqueous solution containing 1 mass % of component (A) of 60° C. to 80° C., and has a weight average molecular weight of 10,000 to 30,000; a method for producing the aqueous gelling agent and a method for producing the cosmetic composition are provided.
Process for seaming of artificial turf using low-pressure adhesives
The invention pertains generally to a low-pressure (100-250 psi) process of seaming adjacent seams of artificial turf using a one-component or a two-component polyurethane adhesive using an apparatus which employs a payoff spool of base material in the front of the apparatus and an activation trigger adjacent the handle to begin the application of polyurethane spray foam adhesive by connectivity between the application trigger and the foam spray gun trigger.
METHOD FOR PRODUCING CARBODIIMIDE COMPOUND
A method for producing a carbodiimide compound, comprising a carbodiimide production step of reacting an aliphatic tertiary isocyanate compound (A) in the presence of an organic alkali metal compound (B) having Lewis basicity.
PREPARATION OF POLYURETHANE AND POLYISOCYANURATE FOAMS USING LIQUID SILOXANE NUCLEATING ADDITIVE
A method for preparing polyisocyanurate and polyurethane foams by the use of a liquid siloxane nucleating additive, and a foam-forming composition for preparing foams with improved thermal insulation performance, comprising an isocyanate component, an isocyanate-reactive component, a blowing agent, and a liquid siloxane nucleating additive.
ISOCYANATE-REACTIVE COMPOSITION AND METHOD OF PREPARING POLYURETHANE AND POLYISOCYANURATE FOAMS
An isocyanate-reactive composition comprising (i) at least one isocyanate-reactive compound; and (ii) at least one T-shaped siloxane material at a predetermined amount; and a foam-forming composition for producing a polyurethane or polyisocyanurate foam comprising at least one isocyanate component and at least one isocyanate-reactive component; wherein the at least one isocyanate-reactive component is the above isocyanate-reactive composition.
USE OF EPOXY COMPOUNDS AS CARBON DIOXIDE SCAVENGERS IN PIR COMPRISING FOAMS FOR SUPERIOR THERMAL INSULATION PROPERTIES
A reactive composition for making a PIR comprising foam at an isocyanate index of at least 120, said composition comprising at least an isocyanate composition comprising one or more isocyanate compounds, an isocyanate-reactive composition comprising one or more isocyanate-reactive compounds, at least one PIR promoting catalyst, at least one physical blowing agent with a lambda gas ≤12 mW/m.Math.K at 10° C., at least one CO.sub.2 scavenging compound selected from at least one epoxy compound, and optionally a catalyst promoting epoxy reaction with CO.sub.2 characterized in that the amount of isocyanate-reactive compounds in the reactive composition is at least 10 wt % calculated on the total weight of the reactive composition, or at least more than the amount of epoxy compounds and the molar amount of epoxy compounds in the reactive composition is at least 7.8 times higher than the molar amount of CO.sub.2 formed by the water present in the reactive composition after reaction with isocyanates.
Open Cell Polyurethane Flame-Retardant Foams
The invention pertains generally to a process and a composition-of-matter for a shelf-stable open cell polyurethane HFO-blown two-component polyurethane foam composition having improved flame-retardant properties through the use of at least one organo-tin containing catalyst and at least one potassium containing catalyst; and at least one dimorpholino-based ether catalyst, a ratio of the at least one potassium-containing catalyst to the tin-containing catalyst being at least approximately 1.5:1.0, the at least one surfactant comprising a polydimethylsiloxane (PDMS) backbone and polyethylene oxide-co-propylene oxide (PEO-PPO) random copolymer grafts; and the added water comprises at least 8 weight percent of said B-side reactants, the polyurethane foam having a Class B rating with a flame spread between 25 and 75 inclusive and a smoke developed of under 450 using ASTM E 84 testing protocol.