摘要:
The present invention aims to provide a practical polyester that can be produced substantially without using an antimony compound as a polycondensation catalyst. (I) The present invention provides a polyester resin composition containing, on a weight basis, 30 ppm or less of antimony, 0.5 to 50 ppm of titanium, and 0.1 to 100 ppm of phosphorus, in which the number density of titanium-containing particles, the equivalent circular diameter of which is 1 μm or more, is less than 100/0.02 mg; and (II) The present invention provides a polyester resin composition containing, on a weight basis, 30 ppm or less of antimony, 0.5 to 50 ppm of titanium, and 0.1 to 100 ppm of phosphorus, in which organic polymer particles are contained in amount of 0.1 to 5 wt %, the organic polymer particles having an average particle diameter determined by dynamic light scattering of 0.05 to 3 μm and containing 0.01% or less of coarse particles relative to the total number of the particles, the coarse particles having a diameter at least twice the average particle diameter.
摘要:
A polyester composition produced without using an antimony compound as a polycondensation catalyst and including (I) composition containing, on a weight basis, 30 ppm or less of antimony, 0.5 to 50 ppm of titanium, and 0.1 to 100 ppm of phosphorus, in which the number density of titanium-containing particles, the equivalent circular diameter of which is 1μm or more, is less than 100/0.02 mg; and (II) a composition containing, on a weight basis, antimony, titanium and phosphorous as defined above, in which organic polymer particles are contained in amount of 0.1 to 5 wt%, the organic polymer particles having an average particle diameter determined by dynamic light scattering of 0.05 to 3μm and containing 0.01% or less of coarse particles relative to the total number of the particles, the coarse particles having a diameter at least twice the average particle diameter.
摘要:
The present invention is a composition containing a polyester resin containing at least an alicyclic dicarboxylic acid component and an alicyclic diol component, and it is a polyester resin composition which satisfies that a glass transition temperature is 65° C. or more and 90° C. or less, a refractive index at sodium D line is 1.500 or more and 1.570 or less, a titanium element content is 5 ppm or more and 500 ppm or less, a phosphorus element content is 50 ppm or more and 500 ppm or less and a gel fraction is 50% or less. By the present invention, it is possible to obtain a polyester resin composition having a low refractive index and photoelastic coefficient, and in which a thermally degraded foreign substance is reduced.
摘要:
The present invention is a composition containing a polyester resin containing at least an alicyclic dicarboxylic acid component and an alicyclic diol component, and it is a polyester resin composition which satisfies that a glass transition temperature is 65° C. or more and 90° C. or less, a refractive index at sodium D line is 1.500 or more and 1.570 or less, a titanium element content is 5 ppm or more and 500 ppm or less, a phosphorus element content is 50 ppm or more and 500 ppm or less and a gel fraction is 50% or less. By the present invention, it is possible to obtain a polyester resin composition having a low refractive index and photoelastic coefficient, and in which a thermally degraded foreign substance is reduced.
摘要:
The present invention provides a polyester composition for a solar battery, which includes a dicarboxylic acid component having terephthalic acid as a main component and a diol component having ethylene glycol as a main component, the polyester composition satisfying the following Formulae (1) to (5): 0.65≦intrinsic viscosity≦0.90 (1); 0.7≦M/P≦1.3 (2); 200 ppm≦P≦600 ppm (3); amount of terminal carboxyl groups≦15 eq/t (4); and amount of terminal methoxy groups≦10 eq/t (5) (in the Formula (2), M represents the number of moles of an alkaline metal element and/or an alkaline earth metal element per 106 g of a polyester; and P represents the number of elemental phosphorus per 106 g of a polyester).
摘要:
The present invention provides a polyester composition for a solar battery, which includes a dicarboxylic acid component having terephthalic acid as a main component and a diol component having ethylene glycol as a main component, the polyester composition satisfying the following Formulae (1) to (5): 0.65≦intrinsic viscosity≦0.90 (1); 0.7≦M/P≦1.3 (2); 200 ppm≦P≦600 ppm (3); amount of terminal carboxyl groups≦15 eq/t (4); and amount of terminal methoxy groups≦10 eq/t (5) (in the Formula (2), M represents the number of moles of an alkaline metal element and/or an alkaline earth metal element per 106 g of a polyester; and P represents the number of elemental phosphorus per 106 g of a polyester).
摘要翻译:本发明提供一种太阳能电池用聚酯组合物,其含有以对苯二甲酸为主要成分的二羧酸成分和具有乙二醇为主要成分的二醇成分,所述聚酯组合物满足下述式(1)〜(5) ):0.65@intrinsic viscosity@0.90(1); 0.7 @ M / P @ 1.3(2); 200ppm @ P @ 600ppm(3); 15 eq / t(4)末端羧基量; 和10当量/ t(5)的末端甲氧基的量(式(2)中,M表示每106克聚酯中的碱金属元素和/或碱土金属元素的摩尔数; P 表示每106克聚酯中元素磷的数量)。
摘要:
A polyester composition produced without using an antimony compound as a polycondensation catalyst and including (I) a composition containing, on a weight basis, 30 ppm or less of antimony, 0.5 to 50 ppm of titanium, and 0.1 to 100 ppm of phosphorus, in which the number density of titanium-containing particles, the equivalent circular diameter of which is 1 μm or more, is less than 100/0.02 mg; and (II) a composition containing, on a weight basis, antimony, titanium and phosphorous as defined above, in which organic polymer particles are contained in amount of 0.1 to 5 wt %, the organic polymer particles having an average particle diameter determined by dynamic light scattering of 0.05 to 3 μm and containing 0.01% or less of coarse particles relative to the total number of the particles, the coarse particles having a diameter at least twice the average particle diameter.
摘要:
A packaging structure suitable for an integrated circuit device receiving short-wavelength laser light is provided. A lead-mounted substrate is placed on the side of the light receiving surface of the integrated circuit device having a photo detecting part. The lead is electrically connected with the integrated circuit device via an electrode. The integrated circuit device and the substrate are encapsulated with an encapsulation section. The substrate has an opening at a position above the photo detecting part.
摘要:
A polyester composition, comprising a thermoplastic polyester resin and hydroxy apatite particles with an average particle diameter of 0.01 to 10 .mu.m and a specific surface area of 50 to 500 m.sup.2 /g and represented by the following chemical formula, and a film made thereof. A polyester film excellent in such basic properties as slipperiness and abrasion resistance, and also in electric properties, perforability, processability as a laminate with a metallic sheet, flavor properties, etc. can be obtained.Ca(PO.sub.4).sub.l (OH).sub.m (CO.sub.3).sub.n Y.sub.x(where Y stands for any optional anions other than phosphate group, hydroxyl group and carbonate group, l=0.4.about.0.6, m=0.1.about.0.4, n=0.about.0.2, x=0.about.0.2, 3.times.l+m+2.times.n+z.times.x=2 (z is the valence of anion(s) Y))
摘要:
A biaxially oriented polyester film is suitable for laminating onto a metallic sheet so as to provide a laminate capable of being formed into a can. The polyester film comprises at least one of: (1) a polyester having a melting point of 246.degree. to 280.degree. C. and being such that when the laminate is formed into a can, then at a neck of the can the film provides an inner 1 to 3 .mu.m portion (a) close to the metallic sheet and an outer 1-3 .mu.m portion (b) remote from the metallic sheet, which said portions (a) and (b) have respective average orientation intensity ratios, as measured by Raman spectrometry, of 6 or less and 8 or more; and (2) a polyester layer (A) of a polyester having at least 93 mol % thereof of units derived from ethylene terephthalate and/or ethylene naphthalate and a polyester layer (B) of a polyester containing an ionomer and which film has a face orientation factor of 0.10 to.0.15.