Preparation method of flame-retardant and high-temperature thermal shrinkage pipe
A heat-shrinkable tube and high-voltage-resistant technology, which is applied in the direction of plastic/resin/wax insulators, organic insulators, etc., can solve the problems of poor physical and mechanical properties and application limitations, and achieve excellent voltage resistance, strong anti-interference, and high-quality materials Good compatibility between
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Embodiment 1
[0041] This embodiment relates to a flame-retardant and high-pressure heat-shrinkable tube and a preparation method thereof. The heat-shrinkable tube is composed of the following raw materials in parts by weight:
[0042] 64 parts of styrene-isoprene-styrene block copolymer;
[0043] 24 parts of maleic anhydride grafted EPDM rubber;
[0044] 8 parts of polyphenylene ether resin;
[0045] 5 parts red stone fat;
[0046] 10 parts of perovskite tailings powder;
[0047] 2 parts of tri(butoxyethyl) phosphate;
[0048] 0.6 parts of aluminum-zirconium double metal coupling agent;
[0049] 1.5 parts of compound crosslinking agent;
[0050] 1 part of compound anti-aging agent.
[0051] The selection and production of styrene-isoprene-styrene block copolymer, maleic anhydride grafted EPDM rubber, compound crosslinking agent and compound anti-aging agent in this example are shown in Table 1 below :
[0052] Table 1
[0053]
[0054]
[0055] The preparation method of the he...
Embodiment 2
[0059] This embodiment relates to a flame-retardant and high-pressure heat-shrinkable tube and a preparation method thereof. The heat-shrinkable tube is composed of the following raw materials in parts by weight:
[0060] 68 parts of styrene-isoprene-styrene block copolymer;
[0061] 26 parts of maleic anhydride grafted EPDM rubber;
[0062] 9 parts of polyphenylene ether resin;
[0063] 5.5 parts of red stone fat;
[0064] 11 parts of perovskite tailings powder;
[0065] 2.3 parts of tris (butoxyethyl) phosphate;
[0066] 0.65 parts of aluminum-zirconium double metal coupling agent;
[0067] 1.8 parts of compound crosslinking agent;
[0068] Compound anti-aging agent 1.4 parts.
[0069] The selection and production of styrene-isoprene-styrene block copolymer, maleic anhydride grafted EPDM rubber, compound crosslinking agent and compound anti-aging agent in this example are shown in Table 2 below :
[0070] Table 2
[0071]
[0072]
[0073] The preparation meth...
Embodiment 3
[0077] This embodiment relates to a flame-retardant and high-pressure heat-shrinkable tube and a preparation method thereof. The heat-shrinkable tube is composed of the following raw materials in parts by weight:
[0078] 72 parts of styrene-isoprene-styrene block copolymer;
[0079] 28 parts of maleic anhydride grafted EPDM rubber;
[0080] 10 parts of polyphenylene ether resin;
[0081] 6 parts red stone fat;
[0082] 12 parts of perovskite tailings powder;
[0083] 2.5 parts of tris (butoxyethyl) phosphate;
[0084] 0.7 parts of aluminum-zirconium double metal coupling agent;
[0085] 2 parts of compound cross-linking agent;
[0086] Compound anti-aging agent 1.5 parts.
[0087] The selection and production of styrene-isoprene-styrene block copolymer, maleic anhydride grafted EPDM rubber, compound crosslinking agent and compound anti-aging agent in this example are shown in Table 3 below :
[0088] table 3
[0089]
[0090] The preparation method of the heat-shr...
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