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    • 6. 发明授权
    • Aqueous polyurethane resin and method for producing aqueous polyurethane resin and film
    • 水性聚氨酯树脂及水性聚氨酯树脂及膜的制造方法
    • US07691940B2
    • 2010-04-06
    • US11792382
    • 2005-12-08
    • Masahiro IsobeFumiaki Hirata
    • Masahiro IsobeFumiaki Hirata
    • C08G18/10C08G18/08C08L75/04
    • C08J5/18C08G18/0823C08G18/3228C08G18/40C08G18/66C08J2375/04
    • An object of the present invention is to provide an aqueous polyurethane resin in which stable emulsion is formed, the balance between hydrophilicity and hydrophobicity is controlled and an obtained film has desired permeability and good stability, a method for producing the aqueous polyurethane resin, and a film obtained from the aqueous polyurethane resin. The aqueous polyurethane resin of the present invention includes a plurality of polyurethane resins obtained by reacting macropolyol, polyisocyanate, and a chain extender, and each of the aqueous polyurethane resins contains the macropolyols which are different from one another, and each of the aqueous polyurethane resins is chemically bonded partially to one another through the chain extender. By casting or coating the aqueous polyurethane resin, the film is obtained.
    • 本发明的目的是提供一种其中形成稳定乳液的水性聚氨酯树脂,控制亲水性和疏水性之间的平衡,并且所得膜具有期望的渗透性和良好的稳定性,制备水性聚氨酯树脂的方法和 从水性聚氨酯树脂获得的膜。 本发明的水性聚氨酯树脂包括通过大分子多元醇,多异氰酸酯和扩链剂反应获得的多种聚氨酯树脂,并且每种水性聚氨酯树脂含有彼此不同的大多异氰酸酯,并且每种水性聚氨酯树脂 通过扩链剂彼此部分化学键合。 通过浇铸或涂布水性聚氨酯树脂,得到膜。
    • 7. 发明授权
    • Two-part curing high-durable polyurethane elastomer composition
    • 两部分固化高耐久性聚氨酯弹性体组合物
    • US07598336B2
    • 2009-10-06
    • US10582356
    • 2004-12-10
    • Keisuke FukudaSeiji NagahisaHiroshi Yamaguchi
    • Keisuke FukudaSeiji NagahisaHiroshi Yamaguchi
    • C08G18/42C08G18/48C08G18/64
    • C08G18/66
    • A two-part curing high-durable polyurethane elastomer composition having excellent heat resistance and wet heat resistance, and excellent workability such that a viscosity after two-part mixing is suitable for casting workability which comprises (i) a polyisocyanate component, and (ii) an active hydrogen-containing compound comprising (A) a polyol having a hydroxyl value of from 25 to 55 obtained by reacting a castor oil fatty acid, 12-hydroxystearic acid, or a condensate of their fatty acids, with a polyol (X) having a molecular weight of from 400 to 1,500, and (B) a polyol having a hydroxyl value of from 100 to 500 obtained by ring opening an epoxidized fatty acid ester with a polyhydric alcohol.
    • 具有优异的耐热性和耐湿热性的双组分固化性高耐久性聚氨酯弹性体组合物和优异的加工性,使得两部分混合后的粘度适合于浇铸加工性,其包括(i)多异氰酸酯组分,和(ii) 包含(A)通过使蓖麻油脂肪酸,12-羟基硬脂酸或其脂肪酸的缩合物反应得到的羟值为25〜55的多元醇与多元醇(X)的活性氢化合物,所述多元醇 分子量为400〜1500,以及(B)通过用多元醇开环氧化脂肪酸酯而得到的羟值为100〜500的多元醇。
    • 8. 发明授权
    • Method for making opthalmic devices
    • 制造眼科装置的方法
    • US07235195B2
    • 2007-06-26
    • US10655501
    • 2003-09-03
    • Rafael Victor AndinoRobert Scott Meec
    • Rafael Victor AndinoRobert Scott Meec
    • B29C35/08B29C41/02B29D11/00
    • G03F7/0037B29C64/135B29D11/00442B33Y10/00B33Y50/00B33Y70/00B33Y80/00C08G18/6212C08G18/672C08L75/16G02B1/043C08G18/62C08G18/66
    • The present invention provides a method for producing an ophthalmic device by means of stereolithography. The method comprises the steps of: depositing (i) an essentially solvent-free liquid or melt of a device-forming material, or (ii) a solution of said device-forming material, into a container wherein said device-forming material is crosslinkable or polymerizable by actinic radiation; irradiating said device forming material with one or more activation energy beams to obtain a cured layer of polymerized or crosslinked device-forming material; irradiating said device-forming material with said one or more activation energy beams to obtain a cured layer on top of a previously cured layer; and repeating step (c) to obtain additional cured layers until said ophthalmic device is created integrally, wherein each of cured layers corresponds to a pertinent slice of said ophthalmic device.
    • 本发明提供一种通过立体光刻法制造眼科装置的方法。 该方法包括以下步骤:将(i)基本上无溶剂的装置形成材料的液体或熔体,或(ii)所述装置形成材料的溶液沉积到容器中,其中所述装置形成材料是可交联的 或通过光化辐射可聚合; 用一种或多种激活能量束照射所述器件形成材料,以获得聚合或交联的器件形成材料的固化层; 用所述一种或多种激活能量束照射所述器件形成材料,以在先前固化的层的顶部上获得固化层; 并重复步骤(c)以获得额外的固化层,直到所述眼科装置被一体地制成,其中每个固化层对应于所述眼科装置的相应切片。
    • 9. 发明申请
    • Two-part curing high-durable polyurethane elastomer composition
    • 两部分固化高耐久性聚氨酯弹性体组合物
    • US20070083027A1
    • 2007-04-12
    • US10582356
    • 2004-12-10
    • Keisuke FukudaSeiji NagahisaHiroshi Yamaguchi
    • Keisuke FukudaSeiji NagahisaHiroshi Yamaguchi
    • C08G18/00
    • C08G18/66
    • A two-part curing high-durable polyurethane elastomer composition having excellent heat resistance and wet heat resistance, and excellent workability such that a viscosity after two-part mixing is suitable for casting workability which comprises (i) a polyisocyanate component, and (ii) an active hydrogen-containing compound comprising (A) a polyol having a hydroxyl value of from 25 to 55 obtained by reacting a castor oil fatty acid, 12-hydroxystearic acid, or a condensate of their fatty acids, with a polyol (X) having a molecular weight of from 400 to 1,500, and (B) a polyol having a hydroxyl value of from 100 to 500 obtained by ring opening an epoxidized fatty acid ester with a polyhydric alcohol.
    • 具有优异的耐热性和耐湿热性的双组分固化性高耐久性聚氨酯弹性体组合物和优异的加工性,使得两部分混合后的粘度适合于浇铸加工性,其包括(i)多异氰酸酯组分,和(ii) 包含(A)通过使蓖麻油脂肪酸,12-羟基硬脂酸或其脂肪酸的缩合物反应得到的羟值为25〜55的多元醇与多元醇(X)的活性氢化合物,所述多元醇 分子量为400〜1500,以及(B)通过用多元醇开环氧化脂肪酸酯而得到的羟值为100〜500的多元醇。