CN105295234A - Anticorrosion floor toughened with complex fibers and preparation method thereof - Google Patents

Abstract

The invention discloses an anticorrosion floor toughened with complex fibers. The anticorrosion floor comprises the following raw materials by weight part: 4-6 parts of triethylene glycol di-2-ethylhexoate, 1-2 parts of alkenyl succinic anhydride, 2-4 parts of ethyl cellulose, 17-20 parts of zirconium oxychloride octahydrate, 10-15 parts of 40-47% hydrochloric acid, 90-100 parts of 80-85% phosphoric acid, 3-4 parts of tetrakis hydroxymethyl phosphonium sulfate, 4-7 parts of 25-30% methylamine water solution, 5-7 parts of trifluoroethyl methacrylate, 0.2-0.4 part of 2-Octyl-2H-isothiazol-3-one, 0.06-0.1 part of ammonium persulfate, 0.01-0.02 part of divinyl benzene, 1-2 parts of azodicarbonamide, 2-3 parts of tetrahydrofurfuryl alcohol, 0.3-1 part of methyl heptenone, 130-200 parts of polyvinyl chloride, 0.1-0.2 part of crosslinking agent taic and 4-6 parts of polytetrafluoroethylene fiber. Various fibers are added into the anticorrosion floor provided by the invention, so that the toughness is increased and the shock strength is enhanced.

Description

Toughness reinforcing anticorrosive floor board of a kind of conjugated fibre and preparation method thereof

Technical field

The present invention relates to technical field of floor, particularly relate to toughness reinforcing anticorrosive floor board of a kind of conjugated fibre and preparation method thereof.

Background technology

PVC, as world's second largest general-purpose plastics, has good over-all properties, and cheap, raw material sources are extensive etc., and advantage has given play to vital role in all trades and professions.PVC foam material not only inherits above all advantages, and there is defect or the deficiency of some performances, as intensity, rigidity and thermomechanical property etc. do not reach the expectation of people, especially PVC foam material can discharge poisonous dense smoke when burning, and these all seriously hinder development and the application of PVC foam materials.Along with nanometer in recent years in the material shown by the great potential that goes out, make to form by modifications such as laminated inorganic matters the focus that over-all properties that nano composite material improves material becomes Recent study.Laminated inorganic matter makes the thermal stability of polymer composites after organically-modified, mechanical property significantly improves, particularly alpha zirconium phosphate is as a kind of novel nano particle with unique texture and character, there is purity high, loading capacity greatly easily realizes intercalation or lift-off structure, easily form nanostructure with polymkeric substance compound, this not only gives the excellent mechanical property of polymer materials, barrier property but also laminar nano particle is applied to the effect that can also play foaming nucleation agent in foam material to such an extent as to reaches the object optimizing foaming quality.On the other hand, PVC foam material, in inferior position that is fire-retardant and that press down in cigarette, also counteracts that it is further applied.And add anti-flaming smoke-inhibiting agent and just can well address this problem, the research of forefathers is for we have laid a good foundation, organic tin anti-flaming smoke-inhibiting agent and molybdenum class anti-flaming smoke-inhibiting agent have all shown outstanding flame-retardant smoke inhibition effect, the anti-flaming smoke-inhibiting agent of special organic is that same polymkeric substance has good consistency, this is that other fire retardants are unapproachable, therefore for other fire retardants, have suitable DEVELOPMENT PROSPECT, both conbined usage has no report in the flame-retardant smoke inhibition research of PVC at present.So this paper is intended to introduce organically-modified alpha zirconium phosphate Nano filling, improve foaming quality and mechanical property, the thermal stability etc. of PVC foam material.

Summary of the invention

The object of the invention is exactly the defect in order to make up prior art, provides toughness reinforcing anticorrosive floor board of a kind of conjugated fibre and preparation method thereof.

The present invention is achieved by the following technical solutions:

The toughness reinforcing anticorrosive floor board of a kind of conjugated fibre, it is made up of the raw material of following weight parts:

Triglycol two 2-ethylhexoate 4-6, alkenyl succinic anhydride 1-2, ethyl cellulose 2-4, eight water zirconium oxychloride 17-20, the hydrochloric acid 10-15 of 40-47%, the phosphatase 79 0-100 of 80-85%, tetrakis hydroxymetyl phosphonium sulfuric 3-4, 25-30% aqueous methylamine solution 4-7, trifluoroethyl methacrylate 5-7, octylisothiazolinone 0.2-0.4, ammonium persulphate 0.06-0.1, Vinylstyrene 0.01-0.02, Cellmic C 121 1-2, tetrahydrofurfuryl alcohol 2-3, Sulcatone 0.3-1, polyvinyl chloride 130-200, linking agent taic0.1-0.2, polytetrafluoroethylene fiber 4-6.

A preparation method for the described toughness reinforcing anticorrosive floor board of conjugated fibre, comprises the following steps:

(1) eight water zirconium oxychlorides are joined in 15-18 times of distilled water, stir, add the hydrochloric acid of above-mentioned 40-47%, the phosphoric acid of 80-85% successively, induction stirring 3-4 days under room temperature, filters, and is 5 with deionized water wash to PH, vacuum-drying at 60-65 DEG C, grinding, obtains alpha zirconium phosphate;

(2) above-mentioned ethyl cellulose is joined in its weight 6-10 mixed solvent doubly, described mixed solvent is toluene, the dehydrated alcohol mixing composition of volume ratio 3-5:1, stirs, adds tetrahydrofurfuryl alcohol, insulated and stirred 3-4 minute at 50-60 DEG C, obtains Mierocrystalline cellulose emulsion;

(3) above-mentioned polytetrafluoroethylene fiber is joined in the ethanolic soln of 3-5 times of 20-30%, add alkenyl succinic anhydride, stir, mix with above-mentioned Mierocrystalline cellulose emulsion, 100-200 rev/min is stirred 30-40 minute, adds octylisothiazolinone, stirring, is anticorrosion fibre emulsion;

(4) join in anticorrosion fibre emulsion by above-mentioned trifluoroethyl methacrylate, raised temperature is 70-75 DEG C, adds Vinylstyrene, linking agent taic, insulation reaction 3-4 hour, obtains anticorrosion monomer;

(5) above-mentioned alpha zirconium phosphate is joined in 90-100 times of deionized water, stir, add aqueous methylamine solution, ultrasonic 30-35 minute, add tetrakis hydroxymetyl phosphonium sulfuric, dispersed with stirring 10-16 minute, add above-mentioned anticorrosion monomer, ultrasonic 3-5 minute, add ammonium persulphate, insulation reaction 6-10 hour at 75-80 DEG C, centrifugation, throw out is washed, dries, obtain organically-modified zirconium phosphate;

(6) above-mentioned organically-modified zirconium phosphate is mixed with polyvinyl chloride, send in homogenizer, 1000-1200r/min stirs 20-30 minute, and slow raised temperature is 120-130 DEG C, reduction rotating speed is 300-400r/min, be stirred to 46-50 DEG C, then raised temperature is 130-140 DEG C, adds each raw material of residue, heat-insulation preheating 50-60 minute, melt extruded by forcing machine, through traction cutting, plucking, to obtain final product.

Advantage of the present invention is:

(1) floor of the present invention has good heat-resistant stability:

Adopt tetrakis hydroxymetyl phosphonium sulfuric as properties-correcting agent, interlayer do not have can catalysis polyvinyl chloride decompose the factor, obtain the laminate structure of organically-modified zirconium phosphate, effectively can play the iris action of energy and material; On the other hand, organically-modified alpha zirconium phosphate add the foaming quality improving polyvinyl-chloride foam material, make uniform foam cell, obvious boundary has been there is between abscess, namely closed pore quantity is increasing, open-celled structure reduces, and this unicellular structure absorbs a large amount of heat in the process of heat transmission, stops the propagation of heat; In addition, adding organically-modified alpha zirconium phosphate can make polyvinyl chloride composite foam material be can be good at keeping the shape of abscess when impacting, abscess is made to keep original rigidity and toughness, therefore improve the thickness of polyvinyl chloride walls, enhance the outer position of its opposing and the ability destroyed is produced to it;

(2) floor of the present invention has good water resisting property:

Through organically-modified alpha zirconium phosphate, due to the H+ between organic cation substituted layer or organic anion the adsorption at alpha zirconium phosphate interlayer and modified hydrophobicity is improved comparatively significantly;

(3) floor of the present invention has good shock resistance:

The present invention adopts tetrakis hydroxymetyl phosphonium sulfuric to significantly improve the foaming quality of polyvinyl-chloride foam material as properties-correcting agent, and abscess is comparatively even, and cell wall presents spherical, and complete cell wall absorbs energy by there is deformation, then toughness increases;

(4) floor of the present invention has good flame retardant properties:

Alpha zirconium phosphate self is laminate structure, and through the lift-off structure that modified formation is certain, no matter be laminate structure or lift-off structure, the existence of these structures, matter and energy iris action can be played when polymer combustion, and can HCl be discharged during polyvinyl chloride burning, HCL gas self has obvious flame retardant resistance;

(5) first the present invention makes alpha zirconium phosphate gelatinizing with methylamine, then using trifluoroethyl methacrylate as anticorrosion monomer, embed in the course of the polymerization process and stable existence between modified alpha-zirconium phosphate layer, ensure heat-resisting, the water resistant of modification alpha zirconium phosphate, shock resistance, fire-retardant while improve antiseptic property;

Toughness, by adding multiple fiber, can be improved in floor of the present invention, strengthens resistance to impact shock.

Embodiment

The toughness reinforcing anticorrosive floor board of a kind of conjugated fibre, it is made up of the raw material of following weight parts:

The phosphatase 79 0 of the hydrochloric acid 10,80% of triglycol two 2-ethylhexoate 4, alkenyl succinic anhydride 1, ethyl cellulose 2, eight water zirconium oxychloride 17,40%, tetrakis hydroxymetyl phosphonium sulfuric 3,25% aqueous methylamine solution 4, trifluoroethyl methacrylate 5, octylisothiazolinone 0.2, ammonium persulphate 0.06, Vinylstyrene 0.01, Cellmic C 121 1, tetrahydrofurfuryl alcohol 2, Sulcatone 0.3, polyvinyl chloride 130, linking agent taic0.1, polytetrafluoroethylene fiber 4.

A preparation method for the described toughness reinforcing anticorrosive floor board of conjugated fibre, comprises the following steps:

(1) being joined in 15 times of distilled water by eight water zirconium oxychlorides, stir, add the hydrochloric acid of above-mentioned 40%, the phosphoric acid of 80% successively, induction stirring 3 days under room temperature, filter, is 5 with deionized water wash to PH, vacuum-drying at 60 DEG C, and grinding, obtains α zirconium phosphate;

(2) above-mentioned ethyl cellulose joined in the mixed solvent of its weight 6 times, described mixed solvent is toluene, the dehydrated alcohol mixing composition of volume ratio 3:1, and stir, add tetrahydrofurfuryl alcohol, at 50 DEG C, insulated and stirred 3 minutes, obtains Mierocrystalline cellulose emulsion;

(3) above-mentioned polytetrafluoroethylene fiber is joined in the ethanolic soln of 3 times 20%, add alkenyl succinic anhydride, stir, mix with above-mentioned Mierocrystalline cellulose emulsion, 100 revs/min are stirred 30 minutes, add octylisothiazolinone, stirring, is anticorrosion fibre emulsion;

(4) join in anticorrosion fibre emulsion by above-mentioned trifluoroethyl methacrylate, raised temperature is 70 DEG C, adds Vinylstyrene, linking agent taic, and insulation reaction 3 hours, obtains anticorrosion monomer;

(5) above-mentioned α zirconium phosphate is joined in 90 times of deionized waters, stir, add aqueous methylamine solution, ultrasonic 30 minutes, add tetrakis hydroxymetyl phosphonium sulfuric, dispersed with stirring 10 minutes, add above-mentioned anticorrosion monomer, ultrasonic 3 minutes, add ammonium persulphate, insulation reaction 6 hours at 75 DEG C, centrifugation, throw out is washed, dries, obtain organically-modified zirconium phosphate;

(6) above-mentioned organically-modified zirconium phosphate is mixed with polyvinyl chloride, send in homogenizer, 1000r/min stirs 20 minutes, and slow raised temperature is 120 DEG C, reduction rotating speed is 300r/min, be stirred to 46 DEG C, then raised temperature is 130 DEG C, adds each raw material of residue, heat-insulation preheating 50 minutes, melt extruded by forcing machine, through traction cutting, plucking, to obtain final product.

Performance test:

Density: 0.9g/cm ³;

Shore D hardness: 79 degree;

Camber intensity: 24.5MPa;

Unnotched impact strength: 71kJ/m ²;

Water-intake rate: 0.411%;

Shock resistance: flawless;

Oxygen index: 37.1%;

Miter angle burns: difficult combustion;

Nail-holding ability: 2.2kN;

Environmental-protecting performance (methyl alcohol burst size, condensed steam water 9-11L): 0.2mg/L.

Claims (2)

1. the toughness reinforcing anticorrosive floor board of conjugated fibre, is characterized in that, it is made up of the raw material of following weight parts:

Triglycol two 2-ethylhexoate 4-6, alkenyl succinic anhydride 1-2, ethyl cellulose 2-4, eight water zirconium oxychloride 17-20, the hydrochloric acid 10-15 of 40-47%, the phosphatase 79 0-100 of 80-85%, tetrakis hydroxymetyl phosphonium sulfuric 3-4, 25-30% aqueous methylamine solution 4-7, trifluoroethyl methacrylate 5-7, octylisothiazolinone 0.2-0.4, ammonium persulphate 0.06-0.1, Vinylstyrene 0.01-0.02, Cellmic C 121 1-2, tetrahydrofurfuryl alcohol 2-3, Sulcatone 0.3-1, polyvinyl chloride 130-200, linking agent taic0.1-0.2, polytetrafluoroethylene fiber 4-6.

2. a preparation method for the toughness reinforcing anticorrosive floor board of conjugated fibre as claimed in claim 1, is characterized in that, comprise the following steps:

(1) eight water zirconium oxychlorides are joined in 15-18 times of distilled water, stir, add the hydrochloric acid of above-mentioned 40-47%, the phosphoric acid of 80-85% successively, induction stirring 3-4 days under room temperature, filters, and is 5 with deionized water wash to PH, vacuum-drying at 60-65 DEG C, grinding, obtains alpha zirconium phosphate;

(2) above-mentioned ethyl cellulose is joined in its weight 6-10 mixed solvent doubly, described mixed solvent is toluene, the dehydrated alcohol mixing composition of volume ratio 3-5:1, stirs, adds tetrahydrofurfuryl alcohol, insulated and stirred 3-4 minute at 50-60 DEG C, obtains Mierocrystalline cellulose emulsion;

(3) above-mentioned polytetrafluoroethylene fiber is joined in the ethanolic soln of 3-5 times of 20-30%, add alkenyl succinic anhydride, stir, mix with above-mentioned Mierocrystalline cellulose emulsion, 100-200 rev/min is stirred 30-40 minute, adds octylisothiazolinone, stirring, is anticorrosion fibre emulsion;

(4) join in anticorrosion fibre emulsion by above-mentioned trifluoroethyl methacrylate, raised temperature is 70-75 DEG C, adds Vinylstyrene, linking agent taic, insulation reaction 3-4 hour, obtains anticorrosion monomer;

(5) above-mentioned alpha zirconium phosphate is joined in 90-100 times of deionized water, stir, add aqueous methylamine solution, ultrasonic 30-35 minute, add tetrakis hydroxymetyl phosphonium sulfuric, dispersed with stirring 10-16 minute, add above-mentioned anticorrosion monomer, ultrasonic 3-5 minute, add ammonium persulphate, insulation reaction 6-10 hour at 75-80 DEG C, centrifugation, throw out is washed, dries, obtain organically-modified zirconium phosphate;

(6) above-mentioned organically-modified zirconium phosphate is mixed with polyvinyl chloride, send in homogenizer, 1000-1200r/min stirs 20-30 minute, and slow raised temperature is 120-130 DEG C, reduction rotating speed is 300-400r/min, be stirred to 46-50 DEG C, then raised temperature is 130-140 DEG C, adds each raw material of residue, heat-insulation preheating 50-60 minute, melt extruded by forcing machine, through traction cutting, plucking, to obtain final product.