Improvements in and relating to articles of clothing impervious to x-rays and beta-rays

作者: Holt Sidney

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摘要: An article of clothing impervious to X-rays and beta rays is made up at least in part by a layer or layers pliable porous plastic material which are incorporated one more substances absorb the rays. The has multiplicity holes between 0.3 10 microns diameter extending through its thickness. material, may contain plasticiser be used conjunction with fabric, felt, leather layers, consist polythene, polymethyl methacrylate, polyvinyl chloride acetate, copolymers vinyl vinylidene diethyl fumarate, nylon, N-alkoxymethyl derivatives linear polyamides, polymethylene terephthalates, cellulose ethyl cellulose. plasticizer dibutyl phthalate, tricresyl phosphate, di-2-ethyl-hexyl dinonyl polyester plasticisers described Specification 624,393. Specified ray-absorbing barium sulphate nitrate, bismuth oxide, lead iodide, carbonate, finely-divided lead. electrical perforation as Specifications 558,834, 569,968 614,365, [all Group VIII] incorporating solid substance such starch, dextrin, salt subsequently removed, e.g. dissolving out, Specications 524,063, 565,022, 576,657, 576,658, 576,659. sheet covered fabric on both sides, being stuck together all over places, around edges, spaced small areas, along series lines cross various points. sticking heat- solvent-softening means an adhesive, before after sticking. 491,804 600,687, [Group VIII], also referred to.

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