摘要:
The present invention aims to provide a viscosity index improver excellent in shear stability and having a low HTHS viscosity and a high viscosity index. The viscosity index improver of the present invention contains a (co)polymer (A) containing a polyolefin-based monomer as an essential monomer unit, and a base oil, wherein the absolute value of difference in solubility parameter between the (co)polymer (A) and the base oil is 0.8 to 2.0 (cal/cm3)1/2.
摘要:
Provided is a resin molded article for an automobile interior material, the resin molded article achieving both resin strength permitting formation of a thin film, and crease resistance. This molded article is to be used in an automobile interior material, the resin molded article being obtained by slush-molding a powdered thermoplastic urethane urea resin composition (P) that satisfies (1)-(5) below, said resin composition (P) containing an additive and a thermoplastic urethane urea resin (U) obtained by reacting a high-molecular diol (a), a linear alkane diol (b), a monool (c), a diamine (d), and an organic diisocyanate (e): (1) (a) contains a specific polyester diol; (2) the weight of (b) is within a specific range relative to the total weight of (a)-(e); (3) the tensile strength of a film comprising (P) is 8.0 MPa or higher; (4) the storage modulus of (P) at 130° C. is 0.1-5.0 MPa; (5) the ratio of the storage modulus of (P) at 50° C. to the storage modulus at 23° C. by a specific measurement method is 50% or higher.
摘要:
Provided are: a powdered material for slush molding; and a manufacturing process therefor. The powdered material is less odorous, exhibits excellent powder fluidity, and does not suffer from troubles resulting from the sliding-down or agglomeration of a pigment even when the resin particles have been pigmented on the surfaces thereof. Thus, the powdered material ensures high productivity. The powdered material is a powdered polyurethane urea resin composition which comprises (D) a polyurethane urea resin that has a total content of bimolecular condensate of acetone, bimolecular condensate of methyl ethyl ketone, and bimolecular condensate of methyl isobutyl ketone of 1,000 ppm or less and (N) an additive, wherein the polyurethane urea resin (D) takes the form of thermoplastic polyurethane urea resin particles (P) that have a volume-mean particle diameter of 20 to 500 μm and that have protrusions and recesses on the surfaces. The powdered polyurethane urea resin composition is manufactured by a manufacturing process which includes a step of mixing (A) an isocyanato-terminated urethane prepolymer with (B) an alicyclic diamine and/or an aliphatic diamine in an aqueous medium by stirring to form the resin particles (P).
摘要:
A water-soluble cutting fluid for slicing silicon ingots is characterized in that it includes a monoprotic or diprotic aliphatic carboxylic acid (A) having a carbon number (including the carbon in the carbonyl group) of 4˜10, and either a polyprotic organic acid (B) with ΔpKa of 0.9˜2.3 as defined by the following formula (1) or a salt (BA) of said organic acid (B) as essential components: ΔpKa=(pKa2)−(pKa1) (1) wherein the dissociation stage, at which the organic acid (B) denoted as n-protic acid HnA, becomes Hn-1A+H+ is numbered 1 with an acid dissociation constant expressed as pKa1, and the dissociation stage at which the organic acid (B) becomes Hn-2A+H+ is numbered as 2 with an acid dissociation constant expressed as pKa2.
摘要:
The objective of the present invention is to provide a method for producing a vehicle seat pad, in which it is difficult for aldehydes to be dispersed, in a favorably curable manner. The method for producing a vehicle seat pad and containing a step (I) for obtaining a flexible polyurethane foam by reacting an active hydrogen component (A) and an organic polyisocyanate (B) in the presence of a foaming agent (C), a urethanation agent (D), a foam stabilizer (E), and an additive (F), wherein (C) contains water, (F) contains at least one selected from the group consisting of the urea compound (F1) indicated by general formula (1), an amino acid (F2), and a polyvalent phenol (F3), and the flexible polyurethane foam has a core density of 25-90 kg/m3, a resilience of 50-75%, and a hardness (25%-ILD) of 150-400 N/cm2.
摘要翻译:本发明的目的是提供一种以有利的可固化方式制备其中难以分散醛的车辆座椅衬垫的方法。 制备车用座垫的方法,含有在活性氢成分(A)与有机多异氰酸酯(B)的存在下,在发泡剂(C)的存在下反应得到软质聚氨酯泡沫体的步骤(I) (D),泡沫稳定剂(E)和添加剂(F),其中(C)含有水,(F)含有选自由通式(I)表示的脲化合物 1),氨基酸(F2)和多价酚(F3),软质聚氨酯泡沫的芯密度为25〜90kg / m 3,回弹率为50-75%,硬度(25%〜 ILD)为150-400N / cm2。
摘要:
There is provided a polyoxyalkylene polyol or monool (S) represented by formula (2). In the formula (2), R2 represents an m-valent group in which m active hydrogens are removed from the active hydrogen-containing compound (H); Z is an alkylene group or a cycloalkylene group, and these groups are unsubstituted or substituted with a halogen atom or an aryl group. A hydroxyl value x, total degree of unsaturation y and the content of ethylene oxide z satisfy mathematical expression (3). In mathematical expression (3), x represents 5 to 280 mgKOH/g, y represents total degree of unsaturation represented by a unit meq/g, and z is from 0 to 50. R2—[—(ZO)p-(AO)q-(CH2CH2O)r-H] (2) y≦18.9×x−2×(100−z)/100 (3)
摘要:
An object of the present invention is to provide a dispersant for a resin current collector which can uniformly disperse a conductive filler to attain sufficient charge and discharge characteristics without impairing the output power per unit weight of a battery. The present invention provides a dispersant for a resin current collector comprising a polymer having a resin-philic block (A1) and a conductive filler-philic block (A2).
摘要:
An object of the present invention is to provide a resin for coating an active material for lithium ion batteries which can prevent expansion of the electrode without inhibiting conduction of lithium ions. The resin for coating an active material for lithium ion batteries according to the present invention has a liquid absorbing rate of 10% or more when the resin is immersed in an electrolyte solution, and a tensile elongation at break of 10% or more when the resin is saturated with the electrolyte solution.
摘要:
Provided is a nonaqueous dispersion of resin particles, in which the resin particles have uniform particle diameters and shapes and which exhibits excellent fixing properties, particularly when used as a liquid electrophotographic developer. More specifically, provided is a nonaqueous dispersion (X) in which resin particles (C) are dispersed in a nonhydrophilic organic solvent (L) that exhibits a relative permittivity of 1 to 4 at 20° C., the resin particles (C) being core-shell type resin particles each of which comprise a resin particle (B) that contains a resin (b) and fine particles (A) that contain a resin (a) and that either adhere to the surface of the resin particle (B) or form a film on the surface of the resin particle (B), wherein the solubility of (a) in (L) at 25° C. is 10 wt % or less relative to the weight of (a).
摘要:
Provided is a toner binder having excellent charging characteristics and blocking resistance, and an increased range of fixing temperatures when used as a toner. The present invention is a toner binder containing a polyester resin (P) comprising one or more types of polyester resins obtained by polycondensation of a carboxylic acid component (x) and an alcohol component (y), wherein at least one type (P1) of (P) contains 50 to 95 mol % of a aliphatic diol (y1) having a carbon number of 2 to 4 in the alcohol component (y), and (P) satisfies expressions (1) and (2). 11.5≦SP value [(cal/cm3)1/2] of (P)≦13.0 (1) 5.2≦HLB value (by Oda method) of (P)≦7.1 (2)
摘要翻译:提供了具有优异的充电特性和抗粘连性的调色剂粘合剂,以及当用作调色剂时定影温度的范围增加。 本发明是一种含有聚酯树脂(P)的调色剂粘合剂,其包含通过羧酸组分(x)和醇组分(y)的缩聚获得的一种或多种类型的聚酯树脂,其中至少一种类型(P1) (P)在醇成分(y)中含有50〜95摩尔%的碳数为2〜4的脂肪族二醇(y1),(P)满足式(1)和(2)。 (P)≦̸ 7.1(2)的(P)& NlE的SP值[(cal / cm 3)1/2]