occult
发表于 2025-4-1 03:04:58
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闹剧
发表于 2025-4-1 07:11:38
Isotactic polypropylene: Growth transitions and crystal polymorphism, unsuspected low-temperature growth transition between . and . phases; b) structural characterization and experimental check of the . phase which is made of chains with non-parallel axes, and c) observation by atomic force microscopy of the crystaloographic (010) contact face epitaxially interacting
insightful
发表于 2025-4-1 11:35:34
Crystallization and morphology of binary blends of linear and branched polyethylene,d higher molar mass samples of various linear and branched polyethylenes. Cocrystallization and segregation phenomena occurring in these polymers are reported as a function of molar mass and degree of chain branching of the high molar mass component, blend composition, and crystallization temperatur
轻率看法
发表于 2025-4-1 15:33:45
Electron microscopic investigation of the crystallization behavior of polymer blends,s of the semicrystalline structure. Electron microscopy was used to reveal the morphology and the crystallization behavior of several polymer blends. In blends of SAN and polyurethane (PU) there is an increased affinity of the PU to SAN, yielding lamellae of PU-like needles in the SAN matrix. A modi
Gullible
发表于 2025-4-1 20:03:06
Role of adsorption process during crystallization of polymers at low supercooling,ions prior to crystallization are then changed. Following the De Gennes analysis it is shown that this process leads to segregation effect; chains shorter than .* do not crystallize. The critical mass .* varies with the supercooling . as .*=.., as was found experimentally by Wunderlich.
Mucosa
发表于 2025-4-2 01:09:43
Polymer nucleating agents: Efficiency scale and impact of physical gelation,stallization temperatures of a non-seeded and of an “ideallly” seeded sample, respectively, gives a measure of the efficiency fo a given nucleating agent which induces the crystallization of the polymer at .. Typical values of . for isotactic polypropylene are given. — The outstanding efficiency of