Polyurethane foaming material and preparation method
A foaming material and polyurethane technology, applied in the field of polyurethane foaming materials and preparation, can solve the problems of lack of toughness, influence on service life and performance, and achieve the effects of enhancing shockproof performance, improving service life and enhancing toughness
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Embodiment 1
[0018] Example 1: A polyurethane foam material comprises the following raw materials in parts by weight: 50 parts of polyether polyol, 15 parts of isocyanate, 5 parts of low-temperature resistant silicone rubber, 8 parts of modified attapulgite, 3 parts of flame retardant, antioxidant 1 part, 1 part of foaming agent, 5 parts of chain extender, 1 part of benzotriazole anti-ultraviolet agent, 0.5 part of pigment, 5 parts of filler, 2 parts of plasticizer.
[0019] A method for preparing a polyurethane foam material is as follows: according to the proportion of raw materials by weight of the polyurethane foam material in Example 1, adding polyether polyol into a stirring tank and heating it up to 85°C, mixing it with low-temperature-resistant silicone rubber, and using ultrasonic vibration to evenly For mixture A, add modified attapulgite, flame retardant, antioxidant, foaming agent, chain extender, benzotriazole anti-ultraviolet agent, pigment, filler, plasticizer to mixture A an...
Embodiment 2
[0021] Example 2: A polyurethane foam material comprises the following raw materials in parts by weight: 65 parts of polyether polyol, 20 parts of isocyanate, 10 parts of low temperature resistant silicone rubber, 12 parts of modified attapulgite, 6 parts of flame retardant, antioxidant 3 parts, 3 parts of foaming agent, 8 parts of chain extender, 3 parts of benzotriazole anti-ultraviolet agent, 3 parts of pigment, 10 parts of filler, 4 parts of plasticizer, the preparation method of embodiment 2 is the same as that of embodiment 1 .
Embodiment 3
[0022] Example 3: A polyurethane foam material comprises the following raw materials in parts by weight: 60 parts of polyether polyol, 18 parts of isocyanate, 8 parts of low-temperature resistant silicone rubber, 10 parts of modified attapulgite, 5 parts of flame retardant, antioxidant 2 parts, foaming agent 2 parts, chain extender 6 parts, benzotriazole anti-ultraviolet agent 2 parts, pigment 1 part, filler 6 parts, plasticizer 3 parts. The preparation method of embodiment 3 is the same as that of embodiment 1.
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