Low-temperature sensitive memory sponge based on air and structural support and preparation method thereof
A technology of structural support and memory foam, which is applied in the field of memory foam manufacturing, can solve the problems of large influence of temperature and stiffness in use conditions, and achieve the effects of improving porosity, comfort, and good resilience
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Example Embodiment
[0031] Example 1
[0032] The low-temperature sensitive memory foam based on air and structural support provided in this embodiment is made from the following raw materials in parts by weight: 50-90 parts of polyether polyol, 10-40 parts of polymer polyol, 35-50 parts of parts of diphenylmethane diisocyanate, 10-20 parts of water, 0.5-3 parts of foam stabilizer, 0.2-5 parts of cross-linking agent, 0.5-4.5 parts of chain extender, 3-6 parts of opening agent, 1-3 parts of foam stabilizer, 1-3 parts of polysiloxane polyether copolymer, 0.3-1.3 parts of organotin catalyst and 0.5-1.5 parts of amine catalyst.
[0033] The polyether polyol is a chemical, which is an oligomer with terminal hydroxyl groups, the hydroxyl groups on the main chain are connected by ether bonds, and low molecular weight polyols, polyamines or compounds containing active hydrogen are used as starting agents , which is formed by ring-opening polymerization with olefin oxide under the action of a catalyst, a...
Example Embodiment
[0051] Embodiment 2
[0052] The difference between this embodiment and the first embodiment is that this embodiment provides the specific content of each raw material in the low-temperature sensitive memory foam based on air and structural support.
[0053] The low-temperature sensitive memory foam based on air and structural support provided in this example is made from the following raw materials in parts by weight: 60 parts of polyether polyol, 30 parts of polymer polyol, 40 parts of diphenylmethane diol Isocyanate, 15 parts of water, 2 parts of foam stabilizer, 1.5 parts of crosslinking agent, 2 parts of chain extender, 4 parts of cell opener, 2 parts of foam stabilizer, 2 parts of polysiloxane Ether copolymer, 0.8 parts of organotin catalyst and 1 part of amine catalyst.
Example Embodiment
[0054] Embodiment 3
[0055] The difference between this embodiment and Embodiment 1 is that in this embodiment, the components of each raw material in the low-temperature sensitive memory foam based on air and structural support take the maximum value in Embodiment 1.
[0056] The low-temperature sensitive memory foam based on air and structural support provided in this embodiment is made from the following raw materials in parts by weight: 90 parts of polyether polyol, 40 parts of polymer polyol, and 50 parts of diphenylmethane Diisocyanate, 20 parts of water, 3 parts of foam stabilizer, 5 parts of crosslinking agent, 4.5 parts of chain extender, 6 parts of cell opener, 3 parts of foam stabilizer, 3 parts of polysiloxane Polyether copolymer, 1.3 parts of organotin catalyst and 0.5-1.5 parts of amine catalyst.
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