摘要:
The use of a phenolic compound for producing a modified polyamide having enhanced mechanical properties is described. A polyamide composition including at least such phenolic compound and optionally reinforcing or filler loads is also described. The composition is preferably a composition for molding, for example in the form of granules or powder, that can be used for the production of articles by injection-molding.
摘要:
The use of a phenolic compound for producing a modified polyamide having enhanced mechanical properties is described. A polyamide composition including at least such phenolic compound and optionally reinforcing or filler loads is also described. The composition is preferably a composition for molding, for example in the form of granules or powder, that can be used for the production of articles by injection-molding.
摘要:
Polyamide materials having high barrier properties to fluids, gases and liquids are described. These materials can especially be used for the manufacture of articles intended to contain or to transport a fluid such as, for example, pipes, ducts or tanks.
摘要:
The present invention concerns a process for the preparation of a silicone coating of low dielectric constant, comprising the following essential steps: a) a film-forming silicone composition is deposited on the surface of a substrate, said silicone composition comprising: (i) at least one crosslinkable film-forming silicone resin, (ii) at least one α,ω-hydroxylated, essentially linear silicone oil capable of degrading under the action of heat, and (iii) at least one solvent capable of rendering the silicone resin (i) compatible with the silicone oil (ii), b) the solvent (iii) is removed, preferably by heating, and, simultaneously or sequentially, c) the film-forming silicone composition is cured by heating. The invention deals also with a silicone coating obtained by this process and an integrated circuit comprising such a silicone coating as an electrical insulator.
摘要:
The present invention concerns a process for the preparation of a silicone coating of low dielectric constant, comprising the following essential steps: a) a film-forming silicone composition is deposited on the surface of a substrate, said silicone composition comprising: (i) at least one crosslinkable film-forming silicone resin, (ii) at least one α,ω-hydroxylated, essentially linear silicone oil capable of degrading under the action of heat, and (iii) at least one solvent capable of rendering the silicone resin (i) compatible with the silicone oil (ii), b) the solvent (iii) is removed, preferably by heating, and, simultaneously or sequentially, c) the film-forming silicone composition is cured by heating. The invention deals also with a silicone coating obtained by this process and an integrated circuit comprising such a silicone coating as an electrical insulator.