CN105670166A - Microcellular foam thermal-insulation building plastic plate and preparation method thereof - Google Patents

Abstract

The invention discloses a microcellular foam thermal-insulation building plastic plate prepared from raw materials in parts by weight as follows: 0.1-0.2 parts of 8-hydroxyquinoline, 0.7-2 parts of magnesium sulfate, 3-5 parts of pentaerythritol, 2-3 parts of rosin, 1-2 parts of ascorbic acid, 5-6 parts of dibutyl maleate, 0.1-0.2 parts of trihexylphosphine, 2-4 parts of urea, 10-12 parts of scolecite, 2-4 parts of hollow glass beads, 120-140 parts of polyvinyl chloride, 0.7-1 part of polyethylenimine, 1-2 parts of triphenylphosphine, 10-13 parts of polyisoprene, 27-30 parts of methyl nylon acid, 2-3 parts of azodicarbonamide, 0.4-1 part of polyglycerine-10 oleate, 1-2 parts of sodium tetraborate and 1-2 parts of sodium lauryl sulfate. Scolecite is soaked with alkali liquor and then mixed with a dispersion liquid, and the obtained scolecite has multiple uniform micropores and has a good thermal insulation effect; the hollow glass beads, urea and the like are also added to further enhance the network structure of the micropores and improve the thermal insulation property; rosin, pentaerythritol and the like are adopted to effectively improve the compatibility of filler with resin and improve the stability of the finished product.

Description

A kind of fretting map heat-preserving building plastic plate and its preparation method

Technical field

The present invention relates to plastic plate technical field, particularly relate to a kind of fretting map heat-preserving building plastic plate and its preparation method.

Background technology

Polyvinyl chloride (PVC) true qualities are that micro-yellow is translucent, glossy. Transparency is better than polyethylene, polypropylene, and difference is in polystyrene, different with auxiliary dosage, is divided into soft, rigid polyvinyl chloride, and soft goods is soft and tough, and feel is glued, and the hardness of boardy product is higher than Low Density Polyethylene, and lower than polypropylene, in flexion, place there will be albinism. Common goods: sheet material, tubing, sole, toy, door and window, wire outer skin, stationery etc. Being a kind of macromolecular material using a chlorine atom to replace a hydrogen atom in polyethylene, PVC has higher hardness and mechanical property. And improve with the increase of molecular weight, but decline with the rising of temperature. The mechanical property of hard PVC is good, and its Young's modulus can reach 1500-3000MPa. And the elasticity 1.5-15MPa of the PVC of soft matter, but elongation at break is up to 200%-450%, chemical industry can be applied to, plating, the lining of electrolyzer, insulation bed course, train, automotive trim and subsidiary material etc., but the heat-resistant stability of PVC is very poor, namely 140 DEG C start to decompose, melt temperature is 160 DEG C, and the linear expansivity of PVC is less, has flame retardancy, oxidation index is up to more than 45, the shortcomings such as it is not good that PVC board commercially available at present also generally exists germ resistance, humidity resistance difference, the serious work-ing life that have impact on sheet material.

Summary of the invention

The object of the invention is exactly the defect in order to make up prior art, it is provided that a kind of fretting map heat-preserving building plastic plate and its preparation method.

The present invention is achieved by the following technical solutions:

A kind of fretting map heat-preserving building plastic plate, it is made up of the raw material of following weight parts;

Oxine 0.1-0.2, magnesium sulfate 0.7-2, tetramethylolmethane 3-5, rosin 2-3, xitix 1-2, dibutyl maleinate 5-6, three own base phosphine 0.1-0.2, urea 2-4, scolecite 10-12, hollow glass micropearl 2-4, polyvinyl chloride 120-140, polymine 0.7-1, triphenylphosphine 1-2, polyisoprene 10-13, nylon acid methyl esters 27-30, Cellmic C 121 2-3, Natrulon H-10 oleic acid ester 0.4-1, sodium tetraborate 1-2, sodium lauryl sulphate 1-2.

A preparation method for described fretting map heat-preserving building plastic plate, comprises the following steps:

(1) get above-mentioned sodium lauryl sulphate, join in its weight 7-10 deionized water doubly, stir evenly, add magnesium sulfate, oxine, at 60-70 DEG C insulated and stirred 10-14 minute, obtain dispersion liquid;

(2) by above-mentioned three own base phosphines, xitix mixing, stir evenly, add in compound weight 4-6 deionized water doubly, add polymine, at 50-60 DEG C insulated and stirred 4-6 minute, obtain macromolecular solution;

(3) in the sodium hydroxide solution of 10-13mol/l, above-mentioned scolecite being soaked 2-3 hour, filter, wash 3-4 time, join in above-mentioned dispersion liquid, at 80-90 DEG C, insulated and stirred is done to water, obtains pre-treatment scolecite powder;

(4) by above-mentioned triphenylphosphine, polyisoprene mixing, join in nylon acid methyl esters, stir evenly, obtain ester solution;

(5) by above-mentioned rosin, tetramethylolmethane mixing, stir evenly, add above-mentioned ester solution, warming temperature is 70-76 DEG C, adds pre-treatment scolecite powder, insulated and stirred 20-30 minute, add macromolecular solution, Natrulon H-10 oleic acid ester, 100-200 rev/min is stirred 10-16 minute, takes out filter, obtain filter cake;

(6) by above-mentioned filter cake, sodium tetraborate, urea mixing, add the deionized water of compound weight 60-70%, it is heated to boiling, keep boiling to water and do, obtain insulation filler;

(7) above-mentioned insulation filler is mixed with polyvinyl chloride, pre-heat agitated 10-20 minute at 116-120 DEG C, add residue each raw material, extrude through twin screw extruder, through mould molding, cut off, overlay film, obtain described fretting map heat-preserving building plastic plate.

It is an advantage of the invention that:

Scolecite is mixed with dispersion liquid by the present invention after dipping by lye processes again, the scolecite obtained has a lot of uniform micropore, there is good heat insulation and preservation effect, the present invention also adds hollow glass micropearl, urea etc., the all further network structure enhancing micropore, it is to increase heat-insulating property, the present invention adopts rosin, tetramethylolmethane etc., effectively improve the consistency of each filler and interlaminar resin, it is to increase the stability of finished product.

Embodiment

A kind of fretting map heat-preserving building plastic plate, it is made up of the raw material of following weight parts;

Oxine 0.1, magnesium sulfate 0.7, tetramethylolmethane 3, rosin 2, xitix 1, the own base phosphine 0.1 of dibutyl maleinate 5, three, urea 2, scolecite 10, hollow glass micropearl 2, polyvinyl chloride 120, polymine 0.7, triphenylphosphine 1, polyisoprene 10, nylon acid methyl esters 27, Cellmic C 121 2, Unigly GO 102S 0.4, sodium tetraborate 1, sodium lauryl sulphate 1.

A preparation method for described fretting map heat-preserving building plastic plate, comprises the following steps:

(1) getting above-mentioned sodium lauryl sulphate, join in the deionized water of its weight 7 times, stir evenly, add magnesium sulfate, oxine, at 60 DEG C, insulated and stirred 10 minutes, obtain dispersion liquid;

(2) by above-mentioned three own base phosphines, xitix mixing, stirring evenly, add in the deionized water of compound weight 4 times, add polymine, at 50 DEG C, insulated and stirred 4 minutes, obtain macromolecular solution;

(3) being soaked 2 hours in the sodium hydroxide solution of 10mol/l by above-mentioned scolecite, filter, wash 3 times, join in above-mentioned dispersion liquid, at 80 DEG C, insulated and stirred is done to water, obtains pre-treatment scolecite powder;

(4) by above-mentioned triphenylphosphine, polyisoprene mixing, join in nylon acid methyl esters, stir evenly, obtain ester solution;

(5) by above-mentioned rosin, tetramethylolmethane mixing, stirring evenly, add above-mentioned ester solution, warming temperature is 70 DEG C, adding pre-treatment scolecite powder, insulated and stirred 20 minutes, adds macromolecular solution, Unigly GO 102S, 100 revs/min are stirred 10 minutes, take out filter, obtain filter cake;

(6) by above-mentioned filter cake, sodium tetraborate, urea mixing, add the deionized water of compound weight 60%, it is heated to boiling, keep boiling to water and do, obtain insulation filler;

(7) above-mentioned insulation filler is mixed with polyvinyl chloride, pre-heat agitated 10 minutes at 116 DEG C, add residue each raw material, extrude through twin screw extruder, through mould molding, cut off, overlay film, obtain described fretting map heat-preserving building plastic plate.

Performance test:

Tensile strength: 43.1MPa;

Flexural strength: 72MPa;

Flame retardant resistance: namely put out from fire, it does not have black cigarette.

Claims (2)

1. a fretting map heat-preserving building plastic plate, it is characterised in that, it is made up of the raw material of following weight parts;

Oxine 0.1-0.2, magnesium sulfate 0.7-2, tetramethylolmethane 3-5, rosin 2-3, xitix 1-2, dibutyl maleinate 5-6, three own base phosphine 0.1-0.2, urea 2-4, scolecite 10-12, the micro-6 pearl 2-4 of hollow glass, polyvinyl chloride 120-140, polymine 0.7-1, triphenylphosphine 1-2, polyisoprene 10-13, nylon acid methyl esters 27-30, Cellmic C 121 2-3, Natrulon H-10 oleic acid ester 0.4-1, sodium tetraborate 1-2, sodium lauryl sulphate 1-2.

2. the preparation method of a fretting map heat-preserving building plastic plate as claimed in claim 1, it is characterised in that, comprise the following steps:

(1) get above-mentioned sodium lauryl sulphate, join in its weight 7-10 deionized water doubly, stir evenly, add magnesium sulfate, oxine, at 60-70 DEG C insulated and stirred 10-14 minute, obtain dispersion liquid;

(2) by above-mentioned three own base phosphines, xitix mixing, stir evenly, add in compound weight 4-6 deionized water doubly, add polymine, at 50-60 DEG C insulated and stirred 4-6 minute, obtain macromolecular solution;

(3) in the sodium hydroxide solution of 10-13mol/l, above-mentioned scolecite being soaked 2-3 hour, filter, wash 3-4 time, join in above-mentioned dispersion liquid, at 80-90 DEG C, insulated and stirred is done to water, obtains pre-treatment scolecite powder;

(4) by above-mentioned triphenylphosphine, polyisoprene mixing, join in nylon acid methyl esters, stir evenly, obtain ester solution;

(5) by above-mentioned rosin, tetramethylolmethane mixing, stir evenly, add above-mentioned ester solution, warming temperature is 70-76 DEG C, adds pre-treatment scolecite powder, insulated and stirred 20-30 minute, add macromolecular solution, Natrulon H-10 oleic acid ester, 100-200 rev/min is stirred 10-16 minute, takes out filter, obtain filter cake;

(6) by above-mentioned filter cake, sodium tetraborate, urea mixing, add the deionized water of compound weight 60-70%, it is heated to boiling, keep boiling to water and do, obtain insulation filler;

(7) above-mentioned insulation filler is mixed with polyvinyl chloride, pre-heat agitated 10-20 minute at 116-120 DEG C, add residue each raw material, extrude through twin screw extruder, through mould molding, cut off, overlay film, obtain described fretting map heat-preserving building plastic plate.