摘要:
The present invention relates to a polysulfone permselective hollow fiber membrane bundle which has high safety and high reliability in performance and which is particularly suitable for use in a blood purifier or the like, a process for manufacturing the same, and a blood purifier comprising the same.
摘要:
The present invention relates to a permselective separation membrane that can be used in blood purifying treatment. More particularly, the present invention relates to a polysulfone-based permselective separation membrane which has well-balanced separation properties, highly stable safety and performance, and also can be smoothly assembled into a module, and a method for producing the same.
摘要:
The present invention relates to a permselective separation membrane that can be used in blood purifying treatment. More particularly, the present invention relates to a polysulfone-based permselective separation membrane which has well-balanced separation properties, highly stable safety and performance, and also can be smoothly assembled into a module, and a method for producing the same.
摘要:
The present invention provides a highly water permeable hollow fiber membrane type blood purifier for medical use, which is excellent in safety and module-assembling ease and which has a high water permeability suitable for use in therapy of chronic renal failure.The present invention relates to a highly water-permeable hollow fiber type blood purifier comprising hydrophobic polymer hollow fiber membranes each of which contains a hydrophilic polymer, characterized in that the amount of the hydrophilic polymer eluted from the hollow fiber membrane is 10 ppm or less; in that the ratio of the hydrophilic polymer in the outer surface of the hollow fiber membrane is 25 to 50 mass %; in that the burst pressure of the hollow fiber membrane is 0.5 MPa or higher; and in that the coefficient of water permeability of the blood purifier is 150 ml/m2/hr./mmHg or higher.
摘要翻译:本发明提供一种用于医疗用途的高水溶性中空纤维膜式血液净化器,其安全性和组装方便性优异,并且具有适用于慢性肾功能衰竭治疗的高透水性。 本发明涉及含有亲水性聚合物的疏水性聚合物中空纤维膜的高透水性中空纤维型血液净化剂,其特征在于,从中空纤维膜洗出的亲水性聚合物的量为10ppm以下, 因为中空丝膜的外表面的亲水性聚合物的比例为25〜50质量%。 中空纤维膜的爆破压力为0.5MPa以上; 血液净化器的透水系数为150ml / m 2 / hr./mmHg以上。
摘要:
The present invention provides a highly water permeable hollow fiber membrane type blood purifier for medical use, which is excellent in safety and module-assembling ease and which has a high water permeability suitable for use in therapy of chronic renal failure. The present invention relates to a highly water-permeable hollow fiber type blood purifier comprising hydrophobic polymer hollow fiber membranes each of which contains a hydrophilic polymer, characterized in that the amount of the hydrophilic polymer eluted from the hollow fiber membrane is 10 ppm or less; in that the ratio of the hydrophilic polymer in the outer surface of the hollow fiber membrane is 25 to 50 mass %; in that the burst pressure of the hollow fiber membrane is 0.5 MPa or higher; and in that the coefficient of water permeability of the blood purifier is 150 ml/m2/hr./mmHg or higher.
摘要翻译:本发明提供一种用于医疗用途的高水溶性中空纤维膜式血液净化器,其安全性和组装方便性优异,并且具有适用于慢性肾功能衰竭治疗的高透水性。 本发明涉及含有亲水性聚合物的疏水性聚合物中空纤维膜的高透水性中空纤维型血液净化剂,其特征在于,从中空纤维膜洗出的亲水性聚合物的量为10ppm以下, 因为中空丝膜的外表面的亲水性聚合物的比例为25〜50质量%。 中空纤维膜的爆破压力为0.5MPa以上; 血液净化器的透水系数为150ml / m 2 / hr./mmHg以上。
摘要:
[Purpose] To provide a blood purifier which has high levels of blood compatibility, performance-retaining property when in contact with blood, and safety, and which shows an excellent water permeability-exhibiting rate after a priming treatment and has high reliability in long-term storage.[Solution] A blood purifier assembled using a polyvinyl pyrrolidone-containing polysulfone-based permselective hollow fiber membrane bundle, characterized in that the amount of polyvinyl pyrrolidone which elutes from the hollow fiber membrane bundle is 10 ppm or less, the amounts of hydrogen peroxide which elute from extracts from all the sites of the hollow fiber membrane bundle are 5 ppm or less, when the hollow fiber membrane bundle is divided into 10 portions in the lengthwise direction to test the sites of all the 10 portions according to the method regulated in the Approval Standard for Dialysis-Type Artificial Kidney Apparatus, and the water permeability of the blood purifier found at a point of time when 10 minutes has passed since the priming treatment of the blood purifier is 90% or more of the water permeability of the same found at a point of time when 24 hours has passed since the priming treatment thereof.
摘要:
A polyester laminated film with excellent sealing ability is provided. The polyester laminated film comprises a base film of a polyester resin and a sealing film of a polyester composition, said sealing film being disposed on at least one side of said base film, wherein the sealing energy, which is measured when two pieces of said laminated films are joined together with the respective sealing films facing each other, is 300 g.cm/15 mm or more.
摘要:
A thermoplastic laminated film that has satisfactory adhesiveness to hydrophilic polymers, hydrophobic polymers, and inorganic substances is provided. The film comprises a base film made of thermoplastic resin and a layer formed on at least one side of said base film, wherein said layer is made of a composition comprising (a) at least one selected from the group consisting of water-soluble resins, water-emulsifiable resins, and water-dispersible resins, and (b) an organic boron polymer or a mixture composed of an organic boron polymer and vinyl alcohol polymer.
摘要:
The present invention provides a thermoplastic polyester elastomer excellent in heat resistance, heat-aging resistance, water resistance, light resistance, low-temperature property and the like, and further excellent in block order-retaining ability, the thermoplastic polyester elastomer comprising a hard segment which comprises polyester constituted with aromatic dicarboxylic acid and aliphatic or alicyclic diol and a soft segment which comprises mainly aliphatic polycarbonate, wherein the hard segment and the soft segment being connected, and wherein when melting points of the thermoplastic polyester elastomer are obtained by measuring on a differential scanning calorimeter in three cycles in which a temperature is raised from room temperature to 300° C. at a heating rate of 20° C./min., maintained at 300° C. for 3 minutes and lowered to room temperature at a cooling rate of 100° C./min., a melting point difference (Tm1−Tm3) between a melting point obtained in the first cycle (Tm1) and a melting point obtained in the third cycle (Tm3) is 0-50° C., and a tensile strength at break is 15-100 MPa.
摘要:
An oriented polyester film having at least one surface being roughened by containing inactive particles and three-dimensional surface roughness exponents of the said roughened surface are within ranges simultaneously satisfying the following relationships (I) to (III), while the number of coarse projections is in excess of the fourth grade:0.014.ltoreq.S.DELTA.a.ltoreq.0.025 (I)5.2.ltoreq.S.lambda.a.ltoreq.13.0 (II)0.012.ltoreq.SRa.ltoreq.0.050 (III)where S.DELTA.a represents three-dimensional average gradient, S.lambda.a represents the spatial average wavelength (.mu.m) of three-dimensional surface roughness and SRa represents three-dimensional central plane average roughness (.mu.m).
摘要翻译:具有至少一个表面通过含有惰性颗粒而被粗糙化的表面的粗糙表面的三维表面粗糙度指数的取向聚酯薄膜在同时满足以下关系式(I)至(III)的范围内的范围内,而粗突起数为 超过四年级:0.014 = S DELTA a = 0.025(I)5.2 = Sλa = 13.0(II)0.012 = SRa 0.050(III)其中S DELTA a表示三维平均梯度,Sλa表示三维表面粗糙度的空间平均波长(μm),SRa表示三维中心平面平均粗糙度(μm)。