High-performance polyurethane elastomer and cable using elastomer
A polyurethane elastomer, high-performance technology, applied in the direction of insulated cables, cables, conductors, etc., can solve problems such as damage, affecting service life, uncontrollable changes in microstructure, etc. The effect of pressure resistance requirements
Pending Publication Date: 2022-04-05
安徽国电电缆股份有限公司
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Problems solved by technology
[0002] In addition to harsh conditions such as high temperature, high humidity, and salt spray corrosion, the current offshore floating cables also move continuously with the floating unit under the combined action of waves and wind. It is very prone to uncontrollable changes, causing it to be damaged and seriously affecting its service life
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[0026] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with the accompanying drawings and embodiments.
[0027] Such as figure 1 and figure 2 As shown, a high-performance polyurethane elastomer is made of isocyanate and polyol reaction block copolymer with alternating hard segments and soft segments. The outer surface of the elastomer has twenty groups uniformly distributed along the circumference to improve Compressive components for compressive capacity. Each set of anti-pressure components includes an upper pressing protrusion 11 extending along the tangential direction of the outer circumferential surface of the elastic body, and a lower pressing abutting part 12 arranged on the outer circumferential surface of the elastic body and located below the upper pressing protrusion 11 . The upper pressing protrusion 11 and the ...
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The invention relates to the technical field of cable manufacturing, in particular to a high-performance polyurethane elastomer and a cable applying the elastomer, and the elastomer comprises an upper pressing protruding part which extends and is distributed along the tangential direction of the circumferential outer surface of the elastomer, and a lower pressing abutting part which is arranged on the circumferential outer surface of the elastomer and is positioned below the upper pressing protruding part, the upper pressing protruding part and the lower pressing abutting part are distributed in a semi-staggered mode. According to the high-performance polyurethane elastomer, the upper pressing protruding part and the lower pressing abutting part which are of an integrated structure are arranged on the outer surface of the high-performance polyurethane elastomer, the upper pressing protruding part is pressed downwards after being stressed and deformed, and a triangular closed cavity with high compression resistance is formed by the upper pressing protruding part and the lower pressing abutting part, so that the compression resistance of the high-performance polyurethane elastomer is improved; by applying the high-performance polyurethane elastomer and arranging the pressure-resistant central conductor with the arc-shaped groove, the pressure-resistant capability of the cable is further improved, and the pressure-resistant requirement required by the offshore floating cable is met.
Description
technical field [0001] The invention relates to the technical field of cable manufacturing, in particular to a high-performance polyurethane elastomer and a cable using the elastomer. Background technique [0002] In addition to harsh conditions such as high temperature, high humidity, and salt spray corrosion, the current offshore floating cables also move continuously with the floating unit under the combined action of waves and wind. It is very prone to uncontrollable changes, causing it to be damaged and seriously affecting its service life. [0003] Polyurethane elastomer is a kind of polymer material containing a large number of carbamate groups in the main chain. It is a kind of block copolymer with alternating hard segments and soft segments reacted by isocyanate and polyol (polyether, polyester). Polyurethane has the characteristics of good mechanical properties, high elasticity, and large elongation at break, and has excellent wear resistance, chemical resistance,...
Claims
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Login to View More IPC IPC(8): H01B7/18H01B7/02H01B7/282
CPCY02A30/14
Inventor 黄晓宝郭守恒肖本国孙磊张驰何立群唐小龙
Owner 安徽国电电缆股份有限公司