Shape memory functional material with gutta percha and method for preparing same
A technology of eucommia gum and functional materials, applied in medical science, prosthesis, etc., can solve the problems of low technological content, no industrial chain, farmers' low enthusiasm for planting, etc., and achieve the effect of promoting development and easy operation
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Embodiment 1
[0017] Formula: Eucommia gum: 20 parts, butadiene rubber: 60 parts, high-density polyethylene: 20 parts, sulfur-containing accelerator: 2.5 parts, anti-aging agent: 1 part, zinc oxide: 1 part, magnesium oxide: 0.5 parts, peroxide Dicumyl: 2%, sulfur: 3 parts, white carbon black: 10 parts, stearic acid: 5 parts.
[0018] Recipe Notes:
[0019] 1. The introduction of rubber is conducive to the formation of an effective cross-linked elastic network in the vulcanization system.
[0020] 2. The introduction of polyethylene is beneficial to improve the tensile strength of the system.
[0021] 3. The sulfur-containing accelerator can be 2-mercaptobenzothiazole (M), dibenzothiazole disulfide (DM), N-cyclohexyl-2-benzothiazole sulfenamide (CN), bis-pentasulfide tetrasulfide Methylthiuram (TRA), bis-dipentylthiuram hexasulfide (DPTT), etc.
[0022] 4. In order to effectively improve the compatibility of the system, bismalic anhydride, silane coupling agent, etc. can be added.
[002...
Embodiment 2
[0027] Formula: Eucommia gum: 20 parts, rubber: 70 parts, polyethylene: 10 parts, sulfur-containing accelerator: 2.5 parts, anti-aging agent: 1 part, zinc oxide: 1 part, magnesium oxide: 1 part, sulfur: 3 parts, Dicumyl peroxide: 1%, white carbon black: 10 parts, stearic acid: 5 parts.
[0028] The formula description and operating instructions of embodiment 2 are the same as embodiment 1.
[0029] Performance indicators: tear strength 20-40Mpa, elongation at break ≥ 500%, residual deformation rate ≤ 5%, softening point 50-70°C, deformation rate ≥ 150%.
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