摘要:
Disclosed is a resin particle having excellent low-temperature fusibility, having a sufficiently narrow size distribution, and that is obtained using a liquid or supercritical fluid. In the resin particle (C), which comprises a microparticle (A) containing a resin (a) being coated to or adhered to the surface of a resin particle (B) that contains another resin (b), the degree of swelling of the microparticle (A) resulting from liquid or supercritical carbon dioxide (X) at a temperature less than the glass transition temperature or the melting point of the microparticle (A) is no greater than 16%, and with the resin (a) as a constituent unit, the resin particle (C) contains 0.1-50 wt% of a non-crystalline non-halogen vinyl monomer (m1) of which the solubility parameter (SP value: (cal/cm 3 ) 1/2 ) is 7-9.
摘要翻译:公开了一种具有优异的低温熔融性,具有足够窄的尺寸分布并且使用液体或超临界流体获得的树脂颗粒。 在含有树脂(a)的微粒(A)被涂布或附着于含有其他树脂(b)的树脂粒子(B)的表面的树脂粒子(C)中, 在低于微粒(A)的玻璃化转变温度或熔点的温度下由液体或超临界二氧化碳(X)产生的微粒(A)不大于16%,并且以树脂(a)作为组分 单元中,树脂颗粒(C)含有0.1-50重量%的溶解度参数(SP值:(cal / cm 3)1/2)为7-9的非晶性非卤素乙烯基单体(m1)。
摘要:
The present invention relates to a process for making a polyester where a dianhydride is reacted with a diol. The resulting polyester can be further reacted with a compound selected from aromatic oxides, aliphatic oxides, alkylene carbonates, alcohols, and mixtures thereof.
摘要:
Provided is a contact lens material having a smooth surface with good water wettability and durability. In the method of manufacturing a contact lens material comprising a contact lens base material and a coating formed on at least a portion of a surface of the above base material, the contact lens base material is processed by plasma polymerization in a mixed gas atmosphere of methane and moist air, and then treated with plasma in a nonpolymerizable gas atmosphere to form the above coating. Further provided is a method of manufacturing a soft contact lens wherein water is introduced into the contact lens material manufactured by the above method to obtain a soft contact lens.
摘要:
The present invention relates to a method for depositing a parylene polymer barrier coating on a polymeric substrate for improving the chemical resistance of the substrate. The method comprises the steps of thoroughly treating a surface portion of the substrate to remove any contaminants, depositing at least one layer of parylene polymer on the contaminant-free surface portion via chemical vapor deposition, and then annealing each of the at least one layer of parylene polymer for a sufficient time. The present invention also relates to a composition for a barrier coating on a polymeric substrate comprising at least one layer of parylene polymer bonded to the surface of the polymeric substrate. The substrate can be a silicone rubber keypad.
摘要:
The invention relates to a membrane, in particular, a membrane for use in a methanol fuel cell. The inventive membrane comprises complexing agents for cations and, therefore, functions like an anion exchanger. In a particular embodiment, the membrane comprises complexing agents selected from the group of crown ethers, cryptates, or of cryptate-like compounds based on carbon cyclic compounds or silicon cyclic compounds.
摘要:
A multi-layered structure of at least a polymer base-layer and paint-based protective layer or a paste-based protective layer, the protective layer being non-intumescent, wherein the protective layer exhibits at atmospheric pressure during an increase in ambient temperature, a drop in its thermal conductivity.