Raw material combination combined by polyether and polyurethane reinforcement materials and preparing method thereof
A technology of combining polyether and polyether polyol, which is applied in the field of raw material composition and preparation of combined polyether and polyurethane reinforcement materials, can solve problems such as health threats to operators, volatile solvents, environmental pollution, etc., and reduce safety accidents The effect of probability of occurrence, easy availability of raw materials, and high safety factor
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[0051] Example 1:
[0052] Prepare component A according to the ingredients in the table below
[0053]
[0054] Pour the raw materials mentioned in the above table into the container according to the specified ratio, mix them evenly with an electric mixer, and make component A; then pour component A and component B into the container in a weight ratio of 1:1, and then Use an electric stirrer to stir for 8 seconds to test the reaction index and physical properties.
[0055] Part of the mechanical performance test reference standards are as follows (Examples 1 to 5 and comparative examples are the same):
[0056] Free bubble density: refer to "GB / T 6343-2009 Determination of Apparent Density of Foam Plastic and Rubber"
[0057] Compressive strength: Refer to GB / T 8813-2008 Determination of the compressive properties of rigid foams"
[0058] Bonding strength: refer to the method in Appendix A in "GB / T 26689-2011 Rigid Polyurethane Foam for Refrigerators and Freezers"
[0059] Dimensional s...
Example Embodiment
[0062] Example 2:
[0063] Prepare component A according to the ingredients in the table below
[0064] NJ204
[0065] Pour the raw materials mentioned in the above table into the container according to the specified ratio, mix them evenly with an electric mixer, and make component A; then pour component A and component B into the container in a weight ratio of 1:1, and then Use an electric stirrer to stir for 8 seconds to test the reaction index and physical properties.
Example Embodiment
[0066] Example 3:
[0067] Prepare component A according to the ingredients in the table below
[0068]
[0069] Pour the raw materials mentioned in the above table into the container according to the specified ratio, mix them evenly with an electric mixer, and make component A; then pour component A and component B into the container in a weight ratio of 1:1, and then Use an electric stirrer to stir for 8 seconds to test the reaction index and physical properties.
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