Method for manufacturing plastic reinforced by flame retardant fibers, and flame retardant fiber reinforced plastic form manufactured thereby
A technology for flame-retardant fiber and reinforced plastics, which is applied in the field of manufacturing flame-retardant fiber-reinforced plastics and the manufacture of flame-retardant fiber-reinforced plastic articles, and can solve problems such as no confirmation
Inactive Publication Date: 2014-01-22
TFT
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However, this example does not confirm the judgment in the following tests: flame retardancy in the flame retardancy test (KS M3015:2003 (A method)); V-0 level in the 20mm (millimeter) vertical burning test (UL94:1996) ; or the applicability of flame retardant materials as in the "Standards for Flame Retardant Performance of Building Interior Decoration Materials" (Ministry of Land and Ocean Announcement No. 2009-866) for buildings
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[0035]
[0036] The manufacture of flame retardant plastic molded articles goes through the following five steps:
[0037] First step:
[0038] Prepare an aqueous resin solution, which is to mix the following weight ratios: 20 to 30 percent by weight (%) based on the total weight of the aqueous resin solution containing a thermosetting methylol group (methylol melamine resin or methylol phenol resin) Resin; 10 to 25 weight percent (%) of inorganic flame retardant material (containing aluminum hydroxide, magnesium hydroxide, zinc borate, a mixture of two or more of ammonium phosphate salts, and based on methylol-containing thermosetting 30 to 50 weight percent (%) based on the weight of the resin used); 1 to 10 weight percent (%) methanol or formaldehyde (as solvent) based on the total weight of the aqueous resin solution; and 50 to 50 percent based on the total weight of the aqueous resin solution 60 weight percent (%) of pure water, and then warmed and dissolved the mixtur...
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The present invention relates to a method for manufacturing plastic reinforced by flame retardant fibers. The method for manufacturing plastic reinforced by flame retardant fibers includes: a) a step of mixing a thermosetting resin containing a methylol group and an inorganic flame retardant material, and introducing a solvent to disperse the mixture and then diluting the mixture with water, thereby manufacturing an aqueous resin solution; b) a step of immersing flame retardant fibers in the aqueous resin solution; c) a step of drying the immersed flame retardant fibers; d) a step of forming the dried flame retardant fibers; and e) a step of cooling the formed plastic. The method for manufacturing the plastic reinforced by flame retardant fibers may be a method for manufacturing plastic reinforced by flame retardant fibers which is suitable for a flame retardant material on the basis of a "flame retardant performance reference for an interior finishing material for a house". The plastic reinforced by flame retardant fibers manufactured by the method according to the present invention may be a first-grade flame retardant material (nonflammable material) or a second-grade flame retardant material (quasi-flame-retardant material) and has the superior physical proprieties required for the interior finishing material for a house, such as specific gravity, barcol hardness, absorption rate, tensile strength, bending rigidity, bending modulus, wear resistance, and flame resistance.
Description
technical field [0001] The present invention relates to a method for producing a flame-retardant fiber-reinforced plastic, and a shaped article produced from the flame-retardant fiber-reinforced plastic, and more particularly to a method for producing a flame-retardant fiber-reinforced plastic, comprising: a) by mixing a methylol-containing thermosetting resin and inorganic flame retardant material, to prepare an aqueous resin solution (including a solvent for dispersing the mixture), and then diluting the mixture with pure water; b) using the aqueous resin solution to saturate the flame retardant fibers; c) drying the impregnated flame retardant fibers; d) molding the dried flame retardant fibers; and e) cooling the shaped plastic; and a flame retardant fiber reinforced plastic molded article made from the flame retardant fiber reinforced plastic. Background technique [0002] Generally, the resins used in the method of making flame retardant fiber reinforced plastics are i...
Claims
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IPC IPC(8): C08J5/04B29C70/06C08L61/28C08K7/04
CPCC08L61/28C08K3/22C08K7/06C08K7/14B29K2105/0026C08K3/016B29C70/021C08J5/244C08J5/249C08J5/243C08J5/04B29C70/06C08K7/04B29C35/16
Inventor 张瞳起
Owner TFT