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发表于 2025-3-23 13:24:49
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发表于 2025-3-23 15:21:39
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万灵丹
发表于 2025-3-23 21:54:20
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Receive
发表于 2025-3-24 02:09:07
The Synthesis, Characterization and Physical Properties of EPM-g-Polystyrene Thermoplastic Elastomer the grafts ranged from elastomeric to tough plastic depending on the polystyrene content. Compared to poly(styrene-.-butadiene-.-styrene) copolymers, a higher weight percent polystyrene must be incorporated into the graft copolymers to achieve comparable strengths.
入会
发表于 2025-3-24 04:08:46
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CAMEO
发表于 2025-3-24 06:44:46
Cationic Grafting: The Synthesis and Characterization of Butyl Rubber-,-Polystyrene and PVC-,-Polyisaft copolymerizations could be initiated by suitable macromolecular halides in the presence of suitable alkylaluminum compounds: . where PCl is a macromolecular halide initiator such as chlorobutyl rubber or polyvinyl chloride and M is a cationically polymerizable monomer.
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发表于 2025-3-24 11:47:11
On the Generation of Novel Polymer Blend, Graft, and IPN Structures through the Application of Group. By definition, these materials are characterized as some intimate combination of two (or more) kinds of polymer molecules. Because of the very small entropy gain on mixing long polymer chains, and the usually encountered positive heat of mixing, most polymer blends, grafts, and blocks form two pha
谷物
发表于 2025-3-24 17:54:41
Effects of Monomer Unit Arrangement on the Properties of Copolymersolymers (1–8). The physical properties of polymers are by far their most important attribute in regard to their practical utilization. An understanding of the relationship between the physical properties and molecular structure of polymers is essential to the polymer scientist who desires to synthes
人类学家
发表于 2025-3-24 21:47:47
Block Copolymer Theory. II. Statistical Thermodynamics of the Microphasesck copolymer systems. Then, as a result of the tendency of the block joints to stay in the interfacial regions, there is a loss of entropy in two ways. One is due to the confinement of the joints to a smaller region than when the system is homogeneous. The other has its origin in the vast number of
小淡水鱼
发表于 2025-3-24 23:46:40
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