High polymer elastomer material for balloon catheter type medical apparatuses and instruments and preparation method thereof
A polymer elastomer and medical device technology, applied in the direction of catheters, etc., can solve the problems of difficult recycling, complicated manufacturing, environmental pollution, etc., and achieve the effects of high production efficiency, reasonable process and advanced production technology
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[0039] A high molecular elastomer material for balloon catheter medical devices, which is made of the following raw materials in weight percentage:
[0040] SEBS I 0-70% (examples 5%, 35%, 70%)
[0041] SEBS II 0-80% (examples 5%, 35%, 80%)
[0042] Medical grade polypropylene 5-20% (examples 5%, 10%, 20%)
[0043] Polyolefin elastomer 5-25% (examples 5%, 15%, 25%)
[0044] Medical-grade filler oil 0-30% (examples 1%, 15%, 30%)
[0045] Antioxidant 0.1-1% (e.g. 0.1%, 0.5%, 1%)
[0046] Other additives 0-1% (e.g. 0.1%, 0.5%, 1%);
[0047] The total amount of the above components is 100%.
[0048] The SEBS I is a saturated styrene-butadiene-styrene block copolymer.
[0049] Said SEBS II is a special SEBS, and its rubber chain has more 1, 2 polymer components, that is, more vinyl side chains, such as Kraton ERS (Enhanced Rubber Segment) SEBS G1645.
[0050] The polypropylene is food-grade copolymer polypropylene, and its melt index is 20-40 g / min.
[0051] The polyolefin elastomer material is a p...
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