Moisture-curable adhesive composition and a method for mounting tiles on wall surfaces

    公开(公告)号:US11624014B2

    公开(公告)日:2023-04-11

    申请号:US16483196

    申请日:2018-02-05

    申请人: BOSTIK, INC.

    摘要: A moisture-curable adhesive composition comprises a polymer component selected from a silane-terminated polyalkylene oxide and/or a polyurethane; a plurality of amino-silane modified wollastonite fibers having an average aspect ratio of from about 1.5:1 to about 12:1 and an average fiber length of from about 6 μm to about 825 μm; at least two fillers, wherein one of said fillers is untreated and a second of said fillers is treated with a modifier selected from the group consisting of a fatty acid derivative, a silane, a titanate, and mixtures thereof wherein at least one of said fillers is irregularly shaped; and a rheology modifier. The composition preferably further comprises a plurality of irregularly-shaped crumb rubber particles having an average particle size of between about 0.5 to 1.5 mm. The composition is useful for adhering tiles to surfaces, especially large format tiles to substantially vertically-extending wall surfaces.

    Extrudable antifog copolyester heat seal resins

    公开(公告)号:US11273627B2

    公开(公告)日:2022-03-15

    申请号:US16474126

    申请日:2018-01-10

    申请人: BOSTIK, INC.

    摘要: A semicrystalline copolyester resin composition formed by twin screw extrusion of various ingredients includes copolyester resins, antiblock, slip and antifog additives. This semicrystalline copolyester resin can be extruded on to PET film or coextruded with PET resin to form clear PET films with antifog properties. These films with antifog properties are produced in a single step without the use of solvent and does not involve any secondary step for coating a separate antifog layer. This minimizes the cost and time required by a converter to make such clear antifog films. These films containing the heat seal copolyester resin can be heat sealed to clear APET trays. Contents within the trays, such as food, can be seen without fogging on the inside of the film that is used to seal the tray. The seals are strong and the peels are smooth giving a very good packaging performance.

    STYRENE-BASED MATERIALS FOR HOT MELT ADHESIVES

    公开(公告)号:US20200010743A1

    公开(公告)日:2020-01-09

    申请号:US16486880

    申请日:2018-02-20

    申请人: BOSTIK, INC.

    IPC分类号: C09J153/02 C09J11/06

    摘要: A hot melt adhesive comprises at least one polymer selected from the group consisting of polystyrene, polybutene, polyisobutene, linear low density polyethylene, polypropylene random copolymer, polypropylene, olefin block copolymer, polyolefins, styrene block copolymers, and ethyl vinyl acetate polymers; a tackifying resin; and at least one precisely end-capped polystyrene (PECPS). The use of the styrene-based oligomers and polymers with the precisely controlled end-groups in hot melt adhesive formulations to improve compatibility with polymers and block copolymers frequently used in such adhesives.

    HOT MELT ADHESIVE COMPOSITIONS BASED ON PROPYLENE-BASED POLYMERS AND METHODS FOR USING SAME

    公开(公告)号:US20190144719A1

    公开(公告)日:2019-05-16

    申请号:US16157190

    申请日:2018-10-11

    申请人: Bostik, Inc.

    摘要: A polymer composition for use in a hot melt adhesive comprises at least one semierystalline, low molecular weight (LMW) propylene-based polymer; at least one essentially amorphous, high molecular weight (HMW) propylene-based polymer; and at least one essentially amorphous, LMW propylene-based polymer. A hot melt adhesive composition further contains a tackifier, a plasticizer, an antioxidant, and optionally a wax, a filler, a colorant, a UV absorber, another polymer, or combinations thereof The hot melt adhesive is useful for a variety of industrial applications where bonding of low surface energy substrates is encountered, including disposable nonwoven hygienic articles, labeling and other assembly applications. Particularly preferred applications include nonwoven disposable diaper and feminine sanitary napkin construction, diaper and adult incontinent brief elastic attachment, diaper and napkin core stabilization, diaper backsheet lamination, industrial filter material conversion, and surgical gown and surgical drape assemblies. The composition demonstrates improved peel strength while maintaining very good creep resistance.

    Metallocene Polyolefin Based Low Activation Temperature Heat Seal Hot Melt Adhesive
    6.
    发明申请
    Metallocene Polyolefin Based Low Activation Temperature Heat Seal Hot Melt Adhesive 审中-公开
    茂金属聚烯烃低活化温度热封热熔胶

    公开(公告)号:US20160215176A1

    公开(公告)日:2016-07-28

    申请号:US15004312

    申请日:2016-01-22

    申请人: Bostik, Inc.

    摘要: A low activation temperature heat seal hot melt adhesive for packaging applications based on a blend of metallocene catalyzed polyolefin polymer, tackifying resin, wax and other optional additives. In order to achieve the high viscosity suitable for an extrusion heat seal application, the adhesive composition of the invention is highly loaded with polymer, and thus should have a viscosity of about 50,000 centipoise or more measured at a temperature of 300° F. Accordingly, the hot melt adhesive composition contains about 50% to about 90% by weight of metallocene catalyzed polyolefin polymer, about 5% to about 50% by weight of tackifying resin, about 0.5% to about 40% by weight of wax, about 0.1% to about 5% by weight of a stabilizer or antioxidant, and 0% to about 25% by weight of optional additives. The hot melt adhesive composition must have an activation temperature of about 160° F. or less, and provide a minimum peel force of about 1.0 pound per inch in order to meet the sealing performance requirements for packaging food and other consumer goods.

    摘要翻译: 基于茂金属催化聚烯烃聚合物,增粘树脂,蜡和其他任选添加剂的共混物的包装应用的低活化温度热熔粘合剂。 为了达到适用于挤出热封应用的高粘度,本发明的粘合剂组合物高度负载聚合物,因此在300°F的温度下应该具有约50,000厘泊或更高的粘度。因此, 热熔粘合剂组合物含有约50%至约90%重量的茂金属催化的聚烯烃聚合物,约5%至约50%重​​量的增粘树脂,约0.5%至约40%重量的蜡,约0.1%至 约5重量%的稳定剂或抗氧化剂,和0重量%至约25重量%的任选添加剂。 热熔粘合剂组合物必须具有约160°F或更低的活化温度,并提供约1.0磅/英寸的最小剥离力,以满足包装食品和其它消费品的密封性能要求。

    Polyolefin-Based Hot Melt Adhesives With Improved Processing And Bonding Performance
    7.
    发明申请
    Polyolefin-Based Hot Melt Adhesives With Improved Processing And Bonding Performance 审中-公开
    基于聚烯烃的热熔胶,具有改进的加工和粘合性能

    公开(公告)号:US20160102230A1

    公开(公告)日:2016-04-14

    申请号:US14882242

    申请日:2015-10-13

    申请人: BOSTIK, INC.

    IPC分类号: C09J123/12

    摘要: A hot melt adhesive made from a blend of a polypropylene-based polymer, a polyolefin elastomer, and an amorphous polyolefin. These adhesives exhibit excellent molten and pre-set flow allowing them to wet out substrates yet develop properties needed to form and maintain strong bonds making them useful for hygiene, construction, and packaging applications.

    摘要翻译: 由聚丙烯基聚合物,聚烯烃弹性体和无定形聚烯烃的共混物制成的热熔粘合剂。 这些粘合剂表现出优异的熔融和预设流动性,使得它们能够润湿基材,同时开发形成和保持强键所需的性能,使其成为卫生,结构和包装应用的有用途。

    Cohesively Failing, Non-Staining Hot Melt Adhesives
    8.
    发明申请
    Cohesively Failing, Non-Staining Hot Melt Adhesives 审中-公开
    凝结失效,不污染热熔胶

    公开(公告)号:US20160002508A1

    公开(公告)日:2016-01-07

    申请号:US14789727

    申请日:2015-07-01

    申请人: Bostik, Inc.

    摘要: A non-pressure sensitive hot melt adhesive for use in mailer applications uses a styrenic block copolymer (SBC) with a hydrogenated mid-block as the primary polymer in the composition. The adhesive contains about 10% to about 50% by weight of the SBC, about 2% to about 30% by weight of a polyolefin polymer as a secondary polymer in the composition, about 10% to about 70% by weight of a suitable plasticizer, about 0% to about 30% by weight of a wax, about 0% to about 50% by weight of one or more tackifying resins, about 0.1% to about 4% by weight of a stabilizer, and about 0% to about 3% by weight of auxiliary additives, so that the viscosity of the composition is equal to or less than about 10,000 cP at 163° C. The formulation balances the cohesive and adhesive strength required to insure the adhesive fails cohesively to prevent paper tear. In addition, the presence of the secondary polymer allows additional oil absorption into the polymer, thus preventing oil from staining the substrates or surfaces without significantly increasing the viscosity.

    摘要翻译: 用于邮寄应用的非压敏热熔粘合剂使用具有氢化中间嵌段的苯乙烯嵌段共聚物(SBC)作为组合物中的主要聚合物。 粘合剂包含约10重量%至约50重量%的SBC,约2重量%至约30重量%的作为组合物中的第二聚合物的聚烯烃聚合物,约10重量%至约70重量%的合适的增塑剂 ,约0%至约30%重量的蜡,约0%至约50%重​​量的一种或多种增粘树脂,约0.1%至约4%重量的稳定剂和约0%至约3% 重量的辅助添加剂,使得组合物的粘度在163℃下等于或小于约10000cP。制剂平衡了粘合剂失效所需的内聚力和粘合强度,从而防止纸张撕裂。 此外,二次聚合物的存在允许另外的油吸收到聚合物中,从而防止油污染基底或表面而不显着增加粘度。

    Hot Melt Positioning Adhesive
    9.
    发明申请
    Hot Melt Positioning Adhesive 审中-公开
    热熔胶定位胶

    公开(公告)号:US20150203725A1

    公开(公告)日:2015-07-23

    申请号:US14598468

    申请日:2015-01-16

    申请人: Bostik, Inc.

    IPC分类号: C09J153/02

    摘要: A hot melt adhesive composed of a styrene-butadiene-styrene polymer having a relatively high diblock content and styrene content, a second styrenic block copolymer having a lower diblock content than the styrene-butadiene-styrene polymer, which is preferably a styrene-isoprene-styrene polymer, together with tackifying resin, and liquid plasticizer. The preferred styrene-butadiene-styrene polymer contains a styrene content of greater than 30 percent and a diblock content greater than 30 percent by weight. When used in conjunction with a styrene-isoprene-styrene polymer, the hot melt composition provides improved peel strength at 5° C., and when used as a pad attachment positioning adhesive, did not exhibit adhesive transfer at 40° C.

    摘要翻译: 由具有相对高的二嵌段含量的苯乙烯 - 丁二烯 - 苯乙烯聚合物和苯乙烯含量组成的热熔粘合剂,具有比苯乙烯 - 丁二烯 - 苯乙烯聚合物更低的二嵌段含量的第二苯乙烯嵌段共聚物,其优选为苯乙烯 - 异戊二烯 - 苯乙烯聚合物,增粘树脂和液体增塑剂。 优选的苯乙烯 - 丁二烯 - 苯乙烯聚合物含有大于30%的苯乙烯含量和大于30重量%的二嵌段含量。 当与苯乙烯 - 异戊二烯 - 苯乙烯聚合物一起使用时,热熔组合物在5℃下提供改善的剥离强度,并且当用作垫附着定位粘合剂时,在40℃下不显示粘合剂转移。