Process for the production of a padding web having a high degree

Details Process for the production of a padding web having a high degree Process for the production of a padding web having a high degree

1987-07-23

1989-07-18

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156241, 156296, 427209, 4273935, 428288, B44C 117, B32B 300, D04H 158

Patent

active

048490440

ABSTRACT:
A process for the production of padding layers having a high degree of thermal insulation, and particularly suitable for use in clothing and furnishing, comprises the steps of producing, by means of carding machines, a layer or web comprising a mixture of polyester fibres with silicone treated fibers of the same or different nature. This layer or web is then resin coated on one side with a mixture of sticky plastic adhesives which, when polymerized, form a very soft and elastic film; on the other side of the same layer a non-sticky adhesive is sprayed or otherwise applied and the thus treated web is then subjected to a calendering operation at a temperature varying between predetermined limits. Subsequently, a layer of metal particles embedded in synthetic resins is applied to one or both sides of the said layer in such a way as to form a thermal barrier operable to reduce the transmission of heat by radiation and convection through the layer itself.

REFERENCES:
patent: 3496057 (1970-02-01), McCluer
patent: 4153494 (1979-05-01), Oliva
patent: 4282283 (1981-08-01), George et al.
patent: 4368232 (1983-01-01), Morioka et al.
patent: 4374890 (1983-02-01), Shimizu et al.
patent: 4551383 (1985-11-01), Siniscalchi

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