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    • 4. 发明申请
    • Variable dispersion of wet use chopped strand glass fibers in a chopped title strand mat
    • 湿切割的股线玻璃纤维在切碎的标题丝网中的可变分散
    • US20090159228A1
    • 2009-06-25
    • US12004853
    • 2007-12-21
    • Annabeth LawScott W. SchweigerLeonard J. AdzimaPaul R. Krumlauf
    • Annabeth LawScott W. SchweigerLeonard J. AdzimaPaul R. Krumlauf
    • D21H19/20
    • D21H13/40C03C25/328C03C25/40D06M15/21D21H19/20
    • A size composition for reinforcement fibers used to form non-woven mats that contain variable amounts of individual filaments dispersed from chopped reinforcement fiber bundles is provided. The size composition contains a polyvinylamine film former, one or more silane coupling agents, and, optionally a lubricant. The size composition works in conjunction with the whitewater components in a wet-laid mat forming process to disperse individual filaments from the bundles of chopped fibers. The whitewater contains an anionic polyacrylamide viscosity modifier and/or a cationic or non-ionic amine dispersant (e.g., ethoxylated amine). The presence of a cationic or non-ionic amine in the whitewater disperses individual filaments from the chopped glass fiber bundles. The greater the amount of cationic or non-ionic amine present in the whitewater, the greater the amount of fiber dispersion. The absence of a cationic or non-ionic amine and the presence of an anionic polyacrylamide viscosity modifier maintain full bundle formation integrity.
    • 提供了用于形成包含从切碎的增强纤维束分散的可变量的单丝的非织造毡的增强纤维的尺寸组合物。 尺寸组合物包含聚乙烯胺成膜剂,一种或多种硅烷偶联剂,和任选的润滑剂。 尺寸组合物与湿法成网工艺中的白液组分一起工作,以从短切纤维束分散单丝。 白水含有阴离子聚丙烯酰胺粘度调节剂和/或阳离子或非离子胺分散剂(例如乙氧基化胺)。 在白水中阳离子或非离子胺的存在将从短切玻璃纤维束中分散单丝。 白水中存在的阳离子或非离子胺的量越多,纤维分散体的量越多。 不存在阳离子或非离子胺和阴离子聚丙烯酰胺粘度调节剂的存在保持完整的束形成完整性。
    • 5. 发明申请
    • Addition of continuous elements to non-woven mat
    • 将连续元素添加到无纺布垫中
    • US20090075050A1
    • 2009-03-19
    • US11901410
    • 2007-09-17
    • Leonard J. AdzimaAnnabeth LawScott Schweiger
    • Leonard J. AdzimaAnnabeth LawScott Schweiger
    • B32B21/02D04H3/08
    • D04H3/08D04H3/04D04H3/12D04H5/04Y10T428/249924
    • A reinforced chopped strand mat formed of a plurality of chopped reinforcement fibers and at least one continuous element positioned in a substantially parallel orientation in the machine direction is provided. In the reinforced chopped strand mat, the fibers are dispersed in a randomly oriented configuration at least partially surrounding the continuous elements. In preferred embodiments, the continuous element is either a wet continuous glass strand or a dry continuous yarn. The continuous elements are positioned within the chopped strand mat in a parallel or substantially parallel orientation and may be substantially equidistant from each other or irregularly spaced. Desirably, the continuous elements are equidistantly spaced about 0.25 inches to about 3 inches apart. The continuous elements simultaneously improve tensile strength and tear strength of the reinforced chopped strand mat. Methods of forming the reinforced chopped strand mat are also provided.
    • 提供了由多个切断的增强纤维和至少一个在机器方向上以基本上平行的方向定位的连续元件形成的增强短切纤维网。 在增强短切纤维毡中,纤维以至少部分地围绕连续元件的随机取向构型分散。 在优选的实施方案中,连续元件是湿式连续玻璃丝束或干式连续纱线。 连续元件以平行或基本上平行的方向定位在切碎的股线垫内,并且可以彼此基本等距或不规则地间隔开。 理想地,连续元件间隔约0.25英寸至约3英寸。 连续元件同时提高加固短切毡的拉伸强度和撕裂强度。 还提供了形成增强短切纤维垫的方法。
    • 8. 发明申请
    • Cationic fiberglass size
    • 阳离子玻璃纤维尺寸
    • US20090162609A1
    • 2009-06-25
    • US12004875
    • 2007-12-21
    • Jerry HC LeeLeonard J. AdzimaScott W. SchweigerLiang Chen
    • Jerry HC LeeLeonard J. AdzimaScott W. SchweigerLiang Chen
    • E04D3/06B32B27/02
    • C03C25/326C03C25/40C08G18/0814C08G18/12C08G18/4018C08G18/755C08J5/08E04D1/20E04D5/10Y10T428/24388Y10T428/2962C08G18/286C08G18/289C08G18/3275
    • A sizing composition for reinforcement fibers that includes a cationic modified polyurethane dispersion, one or more silane coupling agents, and at least one lubricant is provided. The cationic modified polyurethane dispersion includes a dual end-capped polyurethane selected from a silane-terminated polyurethane, a ketoxime-terminated polyurethane, or a hybrid silane/ketoxime-terminated polyurethane where one end of the polyurethane is terminated with a silane group and the opposing end is terminated with a ketoxime group. The size composition is applied to reinforcement fibers and formed into chopped strand, wet-laid mats that can be used for a variety of purposes, including roofing products. Chopped strand mats formed from fibers sized with the inventive sizing composition maintains or improves the dry tear strengths and wet strengths compared to chopped strand mats made from fibers sized with a commercial sizing composition that does not contain a modified cationic polyurethane dispersion (e.g., SPUD).
    • 提供了包含阳离子改性聚氨酯分散体,一种或多种硅烷偶联剂和至少一种润滑剂的增强纤维用施胶组合物。 阳离子改性聚氨酯分散体包括选自硅烷封端的聚氨酯,酮肟封端的聚氨酯或混合硅烷/酮肟封端的聚氨酯的双端封聚氨酯,其中聚氨酯的一端用硅烷基团终止, 末端用酮肟组终止。 尺寸组合物用于增强纤维并形成短切纤维,可用于各种目的的湿敷垫,包括屋顶产品。 由使用本发明的施胶组合物尺寸的纤维形成的切断的丝网垫与由不含改性阳离子聚氨酯分散体(例如SPUD)的商业施胶组合物尺寸的纤维制成的短切丝网垫相比,保持或改善干燥撕裂强度和湿强度, 。
    • 9. 发明授权
    • Co-texturization of glass fibers and thermoplastic fibers
    • 玻璃纤维和热塑性纤维的共结构化
    • US06715191B2
    • 2004-04-06
    • US09895922
    • 2001-06-28
    • Leonard J. AdzimaTimothy A. Miller
    • Leonard J. AdzimaTimothy A. Miller
    • D02G116
    • D02J1/08
    • A method of co-texturizing glass fibers and thermoplastic fibers comprises passing a glass fiber strand through a texturizing gun, simultaneously passing a thermoplastic fiber strand through the texturizing gun with the glass fiber strand and injecting pressurized air into the texturizing gun concurrently with the glass fiber strand and thermoplastic fiber strands. This method produces a co-texturized fiber material comprising between 20-85% by weight glass fiber and 15-80% by weight thermoplastic fiber having an overall density of from about 20 grams/liter to about 200 grams/liter, and preferably from about 20 grams/liter to less than about 30 grams/liter.
    • 将玻璃纤维和热塑性纤维共混化的方法包括将玻璃纤维束穿过组织化枪,同时使热塑性纤维束通过玻璃纤维束通过组织化枪,并将加压空气与玻璃纤维同时注入到组织化枪中 股和热塑性纤维股。 该方法产生共组织纤维材料,其包含20-85重量%的玻璃纤维和15-80重量%的总密度为约20克/升至约200克/升的热塑性纤维,优选约为约 20克/升至小于约30克/升。