Low-smoke density additive-type flame retardant resin and application thereof
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A flame retardant resin, smoke density technology, applied in the field of flame retardant resin, can solve the problems of limitation and high resin viscosity
Active Publication Date: 2011-05-25
CHANGZHOU HUARUN COMPOSITE MATERIALS +1
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[0007] Although these technologies solve the defects of halogen-based flame-retardant unsaturated resi
Method used
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Embodiment 1
[0050] A low-smoke density additive flame-retardant resin in this embodiment includes 55 parts of unsaturated polyester resin, 0.3 parts of fumed silica, 1 part of bentonite, 10 parts of ammonium polyphosphate, 20 parts of aluminum hydroxide, methylphosphoric acid 4 parts of dimethyl ester, 6 parts of zinc borate, 10 parts of kaolin, 6 parts of brucite and 3 parts of triethyl phosphite.
[0051] The production method is as follows:
[0052] (1) First add 55 parts of unsaturated polyester resin into a container with a cooling water jacket, add a mixture of 0.3 parts of fumed silica and 1 part of bentonite again, start the high-speed disperser to stir, and at the same time add The container is covered with cooling water, and the stirring speed is increased to 3000r / min within 2 minutes, and the high-speed dispersion is 8-10 minutes;
[0053] (2) Add 10 parts of ammonium polyphosphate, 20 parts of aluminum hydroxide, 4 parts of dimethyl phosphate, 6 parts of zinc borate, 10 part...
Embodiment 2
[0056] A low-smoke density additive flame-retardant resin in this embodiment includes 55 parts of unsaturated polyester resin, 0.4 parts of fumed silica, 0.8 parts of bentonite, 15 parts of ammonium polyphosphate, 18 parts of aluminum hydroxide, methylphosphoric acid 3 parts of dimethyl ester, 5 parts of zinc borate, 10 parts of kaolin, 5 parts of brucite and 2 parts of triethyl phosphite.
[0057] The preparation method is the same as in Example 1.
Embodiment 3
[0059] A low-smoke density additive flame-retardant resin in this embodiment includes 55 parts of unsaturated polyester resin, 0.6 parts of fumed silica, 0.4 parts of bentonite, 20 parts of ammonium polyphosphate, 14 parts of aluminum hydroxide, methylphosphoric acid 2 parts of dimethyl ester, 4 parts of zinc borate, 10 parts of kaolin, 4 parts of brucite and 1 part of triethyl phosphite.
[0060] The preparation method is the same as in Example 1.
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Abstract
The invention discloses a low-smoke density additive-type flame retardant resin which comprises 45-70 parts of unsaturated polyester resins by mass, 0.5-10 parts of mixtures of fumed silica and bentonite by mass, 4-8 parts of zinc borate by mass, 5-30 parts of aluminum hydroxide by mass and 5-30 parts of ammonium polyphosphate flame retardants by mass. The ammonium polyphosphate, the zinc borate and the aluminum hydroxide are combined and added to the unsaturated polyester resins to prepare the low-smoke density additive-type flame retardant resin which has the characteristics of low smoke density during burning, good mechanical performance and the like. Through the synergistic effect of the fumed silica and the bentonite, resin settlement can be prevented and the storage stability of the resin can be improved. The low-smoke density additive-type flame retardant resin provided by the invention is mainly applicable to the fields such as traffic vehicles, buildings, shipbuilding, chemical equipment, electronics, sports equipment, daily equipment and the like.
Description
technical field [0001] The present invention relates to a flame retardant resin containing polyester resin, in particular to an additive flame retardant resin compounded by using unsaturated polyester resin as a matrix and adding various flame retardants, additives and fillers. With low smoke and non-toxic properties, it is especially suitable for FRP hand lay-up process. Background technique [0002] Unsaturated polyester resin (Unsaturated Polyester Resin, UPR) is diol, saturated dibasic acid anhydride or saturated dibasic acid, unsaturated dibasic acid anhydride or unsaturated dibasic acid fusion polycondensation of linear macromolecules dissolved in vinyl A reactive liquid mixture formed in monomers. The mixture is copolymerized under the action of heat, light or an initiator, and cross-linked to form a solid material with a spatial network structure. The excellent properties of unsaturated polyester resin make it widely used in transportation vehicles, construction, s...
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