Environmentally-friendly energy-saving polyurethane spraying composite material with ultralow density
An ultra-low density, polyurethane technology, applied in the direction of fireproof coatings, coatings, etc., can solve the problems of increased production cost and difficult promotion of polyurethane, and achieve the effect of good flame retardancy and good heat preservation
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Embodiment 1
[0030] An environment-friendly ultra-low-density energy-saving polyurethane spraying composite material, comprising the following components by weight:
[0031] 1) Polyether polyol A with glycerin as the initiator: 35 parts, which is prepared by the addition reaction of epoxy olefins with glycerin as the initiator; 3 functionalities, the hydroxyl value is 40mgKOH / g; the polyether The polyol contains 15% ethylene oxide.
[0032] 2) Flame retardant: 30 parts of tris(1-chloro-ethylpropyl) phosphate (TCPP);
[0033] 3) Amine foaming catalyst: 7 parts of pentamethyldiethylenetriamine;
[0034] 4) Foam stabilizer: B8462 1.0 parts;
[0035] 5) Water: 28 parts;
[0036] 6) Isocyanate: 4,4-xylenemethane diisocyanate with an NCO content of 30~32%, 116 parts.
[0037] The performance indicators of the above-mentioned polyurethane spraying composite materials are shown in Table 1.
[0038]
Embodiment 2
[0040] An environment-friendly ultra-low-density energy-saving polyurethane spraying composite material, comprising the following components by weight:
[0041] 1) Polyether polyol A with glycerin as the initiator: 60 parts, which is obtained by adding glycerol as the initiator through the addition reaction of epoxy olefin; 3 functionalities, the hydroxyl value is 20mgKOH / g; the polyether The polyol contains 20% ethylene oxide.
[0042] 2) Flame retardant: 45 parts of tris(1,3-dichloropropyl) phosphate (TDCP);
[0043] 3) Amine foaming catalyst: 5 parts of bis(dimethylaminohexyl) ether;
[0044] 4) Foam stabilizer: 2.5 parts of B8462;
[0045] 5) Water: 30 parts;
[0046] 6) Isocyanate: 4,4-xylenemethane diisocyanate with an NCO content of 30-32%, 120 parts.
[0047] The performance indicators of the above-mentioned polyurethane spraying composite materials are shown in Table 1.
[0048]
Embodiment 3
[0050] An environment-friendly ultra-low-density energy-saving polyurethane spraying composite material, comprising the following components by weight:
[0051] 1) Polyether polyol A with glycerin as the initiator: 20 parts, which is prepared by the addition reaction of epoxy olefin with glycerin as the initiator; 3 functionalities, the hydroxyl value is 50mgKOH / g; the polyether The polyol contains 10% ethylene oxide.
[0052] 2) Flame retardant: 40 parts of dimethyl methylphosphonate (DMMP);
[0053] 3) Amine foaming catalyst: 5 parts of pentamethyldiethylenetriamine, 5 parts of bis(dimethylaminohexyl) ether;
[0054] 4) Foam stabilizer: 2.0 parts of B8462;
[0055] 5) Water: 24 parts;
[0056] 6) Isocyanate: 4,4-xylenemethane diisocyanate with an NCO content of 30~32%, 95 parts.
[0057]
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