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公开(公告)号：US4320209A
公开(公告)日：1982-03-16
申请号：US214148
申请日：1980-12-08
Applicant: Ananda M. Chatterjee
Inventor： Ananda M. Chatterjee
CPC classification number: C08K5/20
Abstract: The crystallization from the melt of an isotactic butene-1 homopolymer composition or isotactic butene-1-ethylene copolymer composition is promoted by adding a small amount of a nucleating agent selected from the group consisting of 1-naphthalene acetamide; N-stearoyl-p-aminophenol; mercapto-N-2-naphthylacetamide; malonamide; nicotinamide; isonicotinamide; benzamide; salicylamide; and anthranilamide.
Abstract translation: 通过加入少量选自1-萘乙酰胺的成核剂，促进全同立构丁烯-1均聚物组合物或全同立构丁烯-1-乙烯共聚物组合物的熔融结晶， N-硬脂酰对 - 对氨基苯酚; 巯基-N-2-萘基乙酰胺; 丙二酰胺 烟酰胺; 异烟酰胺 苯甲酰胺 水杨酰胺 和邻氨基苯甲酰胺。
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公开(公告)号：US5064878A
公开(公告)日：1991-11-12
申请号：US492044
申请日：1990-03-12
Applicant: Ananda M. Chatterjee
Inventor： Ananda M. Chatterjee
CPC classification number: C08K5/005 , C08F10/00 , C08K9/08 , Y10S526/901
Abstract: The present invention includes:(i) a method for making a coated particulate comprising the steps offorming a polyolefin emulsion or dispersion;fluidizing additive particles;spraying the emulsion or dispersion on the fluidized additive particles; andforming discrete substantially coated additive particles;(ii) a coated particulate made by the above process; and(iii) a process for providing in-reactor stabilization of a polyolefin during a polymerization reaction using the coated additives prepared by the above described method.
Abstract translation: 本发明包括：（i）制备涂覆颗粒的方法，包括形成聚烯烃乳液或分散体的步骤; 流化添加剂颗粒; 将乳液或分散体喷洒在流化的添加剂颗粒上; 并形成离散的基本上涂覆的添加剂颗粒; （ii）通过上述方法制成的涂覆颗粒; 和（iii）使用通过上述方法制备的涂覆添加剂在聚合反应期间提供聚烯烃的反应器内稳定化的方法。
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公开(公告)号：US4960617A
公开(公告)日：1990-10-02
申请号：US331761
申请日：1989-04-03
Applicant: Ananda M. Chatterjee , Dale J. Wilpers
Inventor： Ananda M. Chatterjee , Dale J. Wilpers
CPC classification number: C08J3/226 , C08J3/203 , C08J2491/00
Abstract: The present invention includes a coated polyolefin particle and a method for post-reactor stabilization of polyolefins comprising:melting a polyolefin wax;blending at least one additive into the liquid polyolefin wax;fluidizing polyolefin particles to be stabilized with a hot gas;spraying the liquid polyolefin wax containing at least one additive on the fluidized polyolefin particles, and forming at least partially coated polymer particles;maintaining the at least partially coated polymer particles and fluidized polyolefin particles at a temperature which is sufficiently high to prevent the formation of fibers from the wax and which enhances the formation of stabilized polymer particles.
Abstract translation: 本发明包括涂覆的聚烯烃颗粒和聚烯烃的后反应器稳定方法，包括：熔融聚烯烃蜡; 将至少一种添加剂混合到液体聚烯烃蜡中; 流化聚烯烃颗粒以用热气体稳定; 将流化聚烯烃颗粒中含有至少一种添加剂的液态聚烯烃蜡喷雾，并形成至少部分涂布的聚合物颗粒; 将至少部分涂覆的聚合物颗粒和流化聚烯烃颗粒保持在足够高的温度以防止从蜡形成纤维并且增强稳定的聚合物颗粒的形成。
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公开(公告)号：US4879141A
公开(公告)日：1989-11-07
申请号：US289886
申请日：1988-12-27
Applicant: Ananda M. Chatterjee
Inventor： Ananda M. Chatterjee
CPC classification number: C08J3/201 , C08F10/00 , C08J3/226 , C08K9/08 , C08J2391/06
Abstract: The present invention includes:(i) a method for making a coated particulate comprising the steps ofheating until liquid a polyolefin wax;fluidizing with a hot gas, additive particles selected from the group comprising an antioxidant, a processing stabilizer, an acid acceptor, and mixtures thereof;spraying the liquid polyolefin wax on the heated fluidized additive particles; andmaintaining the fluidized additive particles at a temperature which is sufficient to prevent the formation of fibers and adequate to form discrete substantially coated additive particles;(ii) a coated particulate made by the above process; and(iii) a process for providing in-reactor stabilization of a polyolefin during a polymerization reaction, using the coated additives prepared by the above described method.
Abstract translation: 本发明包括：（i）制造涂覆颗粒的方法，包括以下步骤：加热至液体为聚烯烃蜡; 用热气流化，选自抗氧化剂，加工稳定剂，酸受体及其混合物的添加剂颗粒; 将液态聚烯烃蜡喷涂在加热的流化添加剂颗粒上; 并且将流化添加剂颗粒保持在足以防止纤维形成并足以形成离散的基本上涂覆的添加剂颗粒的温度; （ii）通过上述方法制成的涂覆颗粒; 和（iii）使用通过上述方法制备的涂布添加剂，在聚合反应期间提供聚烯烃的反应器内稳定化的方法。
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公开(公告)号：US4853426A
公开(公告)日：1989-08-01
申请号：US147953
申请日：1988-01-25
Applicant: Ananda M. Chatterjee
Inventor： Ananda M. Chatterjee
CPC classification number: C08J3/201 , C08F10/00 , C08J3/226 , C08K9/08 , C08J2391/06
Abstract: The present invention includes:(i) a method for making a coated particulate comprising the steps ofheating until liquid a polyolefin wax;fluidizing with a hot gas, additive particles selected from the group comprising an antioxidant, a processing stabilizer, an acid acceptor, and mixtures thereof;spraying the liquid polyolefin wax on the heated fluidized additive particles, andmaintaining the fluidized additive particles at a temperature which is sufficient to prevent the formation of fibers and adequate to form discrete substantially coated additive particles;(ii) a coated particulate made by the above process; and(iii) a process for providing in-reactor stabilization of a polyolefin during a polymerization reaction, using the coated additives prepared by the above described method.
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Patent Agency Ranking
公开(公告)号：US4321334A
公开(公告)日：1982-03-23
申请号：US183869
申请日：1980-09-04
Applicant: Ananda M. Chatterjee
Inventor： Ananda M. Chatterjee
IPC: C08K3/04
CPC classification number: C08K3/04
Abstract: A crystallizable thermoplastic composition is prepared by adding a small amount of substantially graphitic non-turbostratic carbon to an isotactic butene-1 homopolymer or copolymer with ethylene.
Abstract translation: 通过向全同立构丁烯-1均聚物或与乙烯的共聚物中加入少量基本上石墨的非膨胀碳来制备可结晶的热塑性组合物。
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公开(公告)号：US06593004B1
公开(公告)日：2003-07-15
申请号：US09172544
申请日：1998-10-14
Applicant: Ananda M. Chatterjee
Inventor： Ananda M. Chatterjee
IPC: B32B2708
CPC classification number: C08L23/10 , C08K3/22 , C08K5/098 , C08K5/524 , C08L23/16 , C08L53/00 , C08L2201/08 , C08L2205/02 , C08L2314/06 , C09D123/10 , Y10T428/31913 , Y10T442/2025 , Y10T442/2787 , Y10T442/2861 , Y10T442/2893 , Y10T442/2918 , C08L2666/04
Abstract: This invention relates to novel extrusion coating compositions containing certain high melt flow, narrow molecular weight distribution polypropylene impact or random copolymers and composite articles comprising a substrate having such compositions melt extruded thereon.
Abstract translation: 本发明涉及包含某些高熔体流动，窄分子量分布的聚丙烯冲击或无规共聚物的新型挤出涂料组合物和包含其上熔融挤出的组合物的复合制品。
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公开(公告)号：US5948839A
公开(公告)日：1999-09-07
申请号：US864161
申请日：1997-05-28
Applicant: Ananda M. Chatterjee
Inventor： Ananda M. Chatterjee
CPC classification number: C08L23/12 , C08L23/16 , Y10T428/31855 , Y10T428/31942
Abstract: Polypropylene impact copolymer compositions are provided which contain a homopolymer phase of predominantly homopolymeric polypropylene, a copolymer phase of copolymerized ethylene and propylene, and a nucleating agent. The inventive compositions have a rubber content (Fc) in the range of 25 to 45% by weight, a crystallization temperature in the range of 122 to 132.degree. C., a melt flow in the range of about 7 to about 60 dg/min, and a ratio of the intrinsic viscosity of the copolymer phase to the intrinsic viscosity of the homopolymer phase of 1.4 to about 1.9. The polypropylene impact copolymer compositions may be used to form cast films which preferably are soft, quiet, and suitable for use in products to be used next to the skin, such as diapers, adult incontinence pads and feminine hygiene products.
Abstract translation: 提供了聚丙烯抗冲共聚物组合物，其含有主要均聚聚丙烯的均聚物相，共聚乙烯和丙烯的共聚物相和成核剂。 本发明的组合物的橡胶含量（Fc）为25〜45重量％，结晶温度为122〜132℃，熔体流动范围为约7〜约60dg /分钟 ，并且共聚物相的特性粘度与均聚物相的特性粘度之比为1.4至约1.9。 聚丙烯抗冲共聚物组合物可用于形成优选柔软，安静并适合用于皮肤旁边使用的产品的流延膜，例如尿布，成人失禁垫和女性卫生用品。
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公开(公告)号：US5338790A
公开(公告)日：1994-08-16
申请号：US92651
申请日：1993-07-14
Applicant: Ananda M. Chatterjee
Inventor： Ananda M. Chatterjee
Abstract: A polymer composition having a good balance of improved mechanical properties and optical properties such as low haze, which comprisesa) propylene-butene random copolymer,b) at least one additive, andc) a clarifying agent which is calcium montanate, at least one polyolefin wax or combinations thereof.
Abstract translation: 具有改进的机械性能和光学性能如低雾度的良好平衡的聚合物组合物，其包含a）丙烯 - 丁烯无规共聚物，b）至少一种添加剂，和c）澄清剂，其是褐煤酸钙，至少一种 聚烯烃蜡或其组合。
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公开(公告)号：US5300539A
公开(公告)日：1994-04-05
申请号：US996944
申请日：1992-12-28
Applicant: Ananda M. Chatterjee
Inventor： Ananda M. Chatterjee
CPC classification number: C08J3/2053 , Y10T428/2998
Abstract: This invention relates to a continuous process for incorporating additives into or onto polymer granules by high speed/high intensity mixing of entrained polymer granules and additive particles, wherein the additive is provided in the form of an additive dispersion.
Abstract translation: 本发明涉及通过夹带的聚合物颗粒和添加剂颗粒的高速/高强度混合将添加剂掺入到聚合物颗粒中的连续方法，其中添加剂以添加剂分散体的形式提供。
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