CN108219334A - A kind of polyvinyl chloride thermal insulation material for building and preparation method thereof - Google Patents
A kind of polyvinyl chloride thermal insulation material for building and preparation method thereof Download PDFInfo
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08F259/02—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing chlorine
- C08F259/04—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing chlorine on to polymers of vinyl chloride
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- C08J2375/04—Polyurethanes
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- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
Abstract
The invention is related to a kind of polyvinyl chloride thermal insulation material for building, including following raw material components：Modified polyvinyl chloride, modifying titanium dioxide gel, modified polyurethane sponge, modified polyvinyl chloride is by polyvinyl chloride, methyl methacrylate, acrylamide, azodiisobutyronitrile, AOE powder and the reaction of K12 powder are made, modifying titanium dioxide gel is by titania gel, neopelex, butyl butyrate and olein reaction are made, titania gel is by butyl titanate, ethyl alcohol, butanol, water, neopelex and phosphatase reaction are made, modified polyurethane sponge is by polyurethane sponge, agarose, water, methyl methacrylate, acrylic acid, maleic acid and benzoyl peroxide reaction are made.The invention has excellent heat-insulating property.
Description
Technical field
The invention is related to a kind of polyvinyl chloride thermal insulation material for building and preparation method thereof.
Background technology
Polyvinyl chloride has the advantages such as excellent anti-flammability, wearability, plasticity, low-density, and polyvinyl chloride extensively should
For fields such as artificial leather, plastic conduit, disposable plastic bag, collision mat, waterproof article, plastic films.
At present, pvc material needs further to be promoted in heat-insulating property.The invention is using modified polyvinyl chloride, modification
Titania gel, modified polyurethane sponge are prepared for polyvinyl chloride thermal insulation material for building, and this method is prepared for building poly-
Vinyl chloride thermal insulation material has excellent heat-insulating property.
Invention content
The invention is designed to provide a kind of preparation method of polyvinyl chloride thermal insulation material for building, and this method is by changing
Become reactant feed and technology mode, the material of preparation has excellent heat-insulating property.
To achieve these goals, the technical solution of the invention is as follows.
A kind of polyvinyl chloride thermal insulation material for building and preparation method thereof, specifically includes following steps：(1), by polyurethane
Sponge, agarose, water, methyl methacrylate, acrylic acid, maleic acid and benzoyl peroxide are according to quality parts ratio
60：31~43：85~97：37~51：6~9：4~7：0.2~1 is added in reaction kettle, and mixing speed is 73~80r/min,
30min is reacted under the conditions of 75~82 DEG C of maintenance system temperature, temperature of reaction kettle is warming up at 95~106 DEG C that the reaction was continued 45
~70min, product after -80 DEG C of freeze-dryings, crush, product through 100 DEG C of water of 2L concussion washing 5 times, product in 65 DEG C, -
0.07MPa is dried in vacuo 20min, obtains modified polyurethane sponge；(2), by butyl titanate, ethyl alcohol and phosphoric acid according to mass parts
Number is than being 98：145~166：2~8 are added in reaction kettle, and mixing speed is 120~137r/min, are 35 by quality parts ratio
~49：4.5~5.7：1~3 butanol, water, neopelex are added to reaction according to the adding speed of 0.3 part/min
In kettle, 3~6h is reacted under the conditions of 33~45 DEG C of maintenance system temperature, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains
To titania gel；(3), by titania gel, neopelex, butyl butyrate and olein according to matter
Measure portion rate 75：2~5：57~65：6~9 are added in hydrothermal reaction kettle, and it is water under the conditions of 53~67 DEG C to maintain reaction temperature
38~55min of thermal response is to get to modifying titanium dioxide gel；(4), by polyvinyl chloride, methyl methacrylate, acryloyl
Amine, azodiisobutyronitrile, AOE powder and K12 powder are according to quality parts ratio 65：37~51：5~8：0.3~1：3~8：1~4 adds in
Into reaction kettle, mixing speed is 85~100r/min, reacts 25min under the conditions of 78~87 DEG C of maintenance system temperature, will react
Kettle temperature degree is warming up at 92~99 DEG C that the reaction was continued 39~60min, product after -50 DEG C of freeze-dryings, crush to get to modification
Polyvinyl chloride；(5), by modified polyvinyl chloride, modifying titanium dioxide gel, modified polyurethane sponge according to quality parts ratio 95：
51~63：28~39 are added in high-speed mixer, with high-speed mixer in 170~183 DEG C of 2~6min of hybrid reaction of temperature,
With extruder in 177~185 DEG C of extrusion moldings of temperature to get to polyvinyl chloride thermal insulation material for building.
The preparation method of polyvinyl chloride thermal insulation material for building described in the invention, includes the following steps：
(1), by polyurethane sponge, agarose, water, methyl methacrylate, acrylic acid, maleic acid and benzoyl peroxide
It is 60 according to quality parts ratio：31~43：85~97：37~51：6~9：4~7：0.2~1 is added in reaction kettle, stirring speed
It spends for 73~80r/min, reacts 30min under the conditions of 75~82 DEG C of maintenance system temperature, temperature of reaction kettle is warming up to 95~
The reaction was continued at 106 DEG C 45~70min, product after -80 DEG C of freeze-dryings, crush, product is through 100 DEG C of water concussion washings 5 of 2L
Secondary, product obtains modified polyurethane sponge in 65 DEG C, -0.07MPa vacuum drying 20min；The purpose of the agarose in order to
The porosity of modified polyurethane sponge is improved, reduces the thermal conductivity factor of polyvinyl chloride thermal insulation material for building.
(2), it is 98 according to quality parts ratio by butyl titanate, ethyl alcohol and phosphoric acid：145~166：2~8 are added to reaction
In kettle, mixing speed is 120~137r/min, is 35~49 by quality parts ratio：4.5~5.7：1~3 butanol, water, 12
Sodium alkyl benzene sulfonate is added to according to the adding speed of 0.3 part/min in reaction kettle, under the conditions of 33~45 DEG C of maintenance system temperature
3~6h is reacted, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains titania gel；The titanium dioxide coagulates
The purpose of glue reduces the thermal conductivity factor of polyvinyl chloride thermal insulation material for building to improve the porosity of polyvinyl chloride.
(3), by titania gel, neopelex, butyl butyrate and olein according to mass fraction
Than 75：2~5：57~65：6~9 are added in hydrothermal reaction kettle, and it is hydro-thermal reaction under the conditions of 53~67 DEG C to maintain reaction temperature
38~55min is to get to modifying titanium dioxide gel；Neopelex, butyl butyrate and the olein
Purpose in order to as foaming agent, improve the porosity of polyvinyl chloride, reduce the heat conduction system of polyvinyl chloride thermal insulation material for building
Number.
(4), by polyvinyl chloride, methyl methacrylate, acrylamide, azodiisobutyronitrile, AOE powder and K12 powder according to
Quality parts ratio 65：37~51：5~8：0.3~1：3~8：1~4 is added in reaction kettle, and mixing speed is 85~100r/
Min reacts 25min under the conditions of 78~87 DEG C of maintenance system temperature, and temperature of reaction kettle is warming up at 92~99 DEG C to the reaction was continued
39~60min, product after -50 DEG C of freeze-dryings, crush to get to modified polyvinyl chloride；The AOE powder and K12 powder
Purpose is in order to as pore creating material, under the cooperation of methyl methacrylate, acrylamide and azodiisobutyronitrile, raising polyvinyl chloride
Porosity, reduce the thermal conductivity factor of polyvinyl chloride thermal insulation material for building.
(5), by modified polyvinyl chloride, modifying titanium dioxide gel, modified polyurethane sponge according to quality parts ratio 95：51
~63：28~39 are added in high-speed mixer, with high-speed mixer in 170~183 DEG C of 2~6min of hybrid reaction of temperature, use
Extruder is in 177~185 DEG C of extrusion moldings of temperature to get to polyvinyl chloride thermal insulation material for building.
The advantageous effect of the invention is：
Polyvinyl chloride thermal insulation material for building prepared by the present invention has excellent low-density, low thermal conductivity and heat-insulating property,
While the heat-insulating property of building can be improved, hence it is evident that mitigate the weight of thermal insulation material.
Specific embodiment
The specific embodiment of the invention is described with reference to embodiment, to be better understood from the invention.
Embodiment 1
A kind of polyvinyl chloride thermal insulation material for building, preparation method include the following steps：
(1), weigh 60 parts of polyurethane sponges, 34 parts of agaroses, 88 parts of water, 43 parts of methyl methacrylates, 8 parts of acrylic acid, 5 parts
Maleic acid and 0.4 part of benzoyl peroxide are added in reaction kettle, mixing speed 75r/min, maintenance system temperature 78
30min is reacted under the conditions of DEG C, by temperature of reaction kettle be warming up at 100 DEG C that the reaction was continued 56min, -80 DEG C of freeze-dryings of product warp
Afterwards, it crushes, product is modified through 100 DEG C of 2L water concussion washings 5 times, product in 65 DEG C, -0.07MPa vacuum drying 20min
Polyurethane sponge；
(2), it weighs 98 parts of butyl titanates, 156 parts of ethyl alcohol and 3 parts of phosphoric acid to be added in reaction kettle, mixing speed 127r/
39 parts of butanol, 5.1 parts of water, 1.8 parts of neopelexes are added to reaction by min according to the adding speed of 0.3 part/min
In kettle, 4h is reacted under the conditions of 37 DEG C of maintenance system temperature, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains dioxy
Change titanium gel；
(3), 75 parts of titania gels, 3 parts of neopelexes, 60 parts of butyl butyrates and 6.5 parts of oleics are weighed
Ester is added in hydrothermal reaction kettle, and it is hydro-thermal reaction 38min under the conditions of 58 DEG C to get to modifying titanium dioxide to maintain reaction temperature
Gel；
(4), 65 parts of polyvinyl chloride, 43 parts of methyl methacrylates, 6 parts of acrylamides, 0.4 part of azodiisobutyronitrile, 3.8 are weighed
Part AOE powder and 1.9 parts of K12 powder are added in reaction kettle, mixing speed 90r/min, anti-under the conditions of 83 DEG C of maintenance system temperature
Answer 25min, by the temperature of reaction kettle 45min that is warming up at 95 DEG C that the reaction was continued, product after -50 DEG C of freeze-dryings, crush to get
To modified polyvinyl chloride；
(5), 95 parts of modified polyvinyl chlorides, 57 parts of modifying titanium dioxide gels, 33 parts of modified polyurethane sponges are weighed and are added to height
In fast mixing machine, with high-speed mixer in 173 DEG C of hybrid reaction 3min of temperature, with extruder in 179 DEG C of extrusion moldings of temperature, i.e.,
Obtain polyvinyl chloride thermal insulation material for building.
Embodiment 2
A kind of polyvinyl chloride thermal insulation material for building, preparation method include the following steps：
(1), weigh 60 parts of polyurethane sponges, 31 parts of agaroses, 85 parts of water, 37 parts of methyl methacrylates, 6 parts of acrylic acid, 4 parts
Maleic acid and 0.2 part of benzoyl peroxide are added in reaction kettle, mixing speed 73r/min, maintenance system temperature 75
30min is reacted under the conditions of DEG C, by temperature of reaction kettle be warming up at 95 DEG C that the reaction was continued 70min, -80 DEG C of freeze-dryings of product warp
Afterwards, it crushes, product is modified through 100 DEG C of 2L water concussion washings 5 times, product in 65 DEG C, -0.07MPa vacuum drying 20min
Polyurethane sponge；
(2), it weighs 98 parts of butyl titanates, 145 parts of ethyl alcohol and 2 parts of phosphoric acid to be added in reaction kettle, mixing speed 120r/
35 parts of butanol, 4.5 parts of water, 1 part of neopelex are added to reaction kettle by min according to the adding speed of 0.3 part/min
In, 6h is reacted under the conditions of 33 DEG C of maintenance system temperature, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains titanium dioxide
Titanium gel；
(3), 75 parts of titania gels, 2 parts of neopelexes, 57 parts of butyl butyrates and 6 parts of oleins are weighed
It is added in hydrothermal reaction kettle, hydro-thermal reaction min coagulates to get to modifying titanium dioxide under the conditions of maintenance reaction temperature is 53 DEG C
Glue；
(4), weigh 65 parts of polyvinyl chloride, 37 parts of methyl methacrylates, 5 parts of acrylamides, 0.3 part of azodiisobutyronitrile, 3 parts
AOE powder and 1 part of K12 powder are added in reaction kettle, mixing speed 85r/min, are reacted under the conditions of 78 DEG C of maintenance system temperature
25min, by the temperature of reaction kettle 60min that is warming up at 92 DEG C that the reaction was continued, product after -50 DEG C of freeze-dryings, crush to get to
Modified polyvinyl chloride；
(5), 95 parts of modified polyvinyl chlorides, 51 parts of modifying titanium dioxide gels, 28 parts of modified polyurethane sponges are weighed and are added to height
In fast mixing machine, with high-speed mixer in 170 DEG C of hybrid reaction 6min of temperature, with extruder in 177 DEG C of extrusion moldings of temperature, i.e.,
Obtain polyvinyl chloride thermal insulation material for building.
Embodiment 3
A kind of polyvinyl chloride thermal insulation material for building, preparation method include the following steps：
(1), weigh 60 parts of polyurethane sponges, 43 parts of agaroses, 97 parts of water, 51 parts of methyl methacrylates, 9 parts of acrylic acid, 7 parts
Maleic acid and 1 part of benzoyl peroxide are added in reaction kettle, mixing speed 80r/min, 82 DEG C of maintenance system temperature
Under the conditions of react 30min, by the temperature of reaction kettle 45min that is warming up at 106 DEG C that the reaction was continued, product after -80 DEG C of freeze-dryings,
It crushes, product obtains modified poly- through 100 DEG C of 2L water concussion washings 5 times, product in 65 DEG C, -0.07MPa vacuum drying 20min
Urethane sponge；
(2), it weighs 98 parts of butyl titanates, 166 parts of ethyl alcohol and 8 parts of phosphoric acid to be added in reaction kettle, mixing speed 137r/
49 parts of butanol, 5.7 parts of water, 3 parts of neopelexes are added to reaction kettle by min according to the adding speed of 0.3 part/min
In, 3h is reacted under the conditions of 45 DEG C of maintenance system temperature, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains titanium dioxide
Titanium gel；
(3), 75 parts of titania gels, 5 parts of neopelexes, 65 parts of butyl butyrates and 9 parts of oleins are weighed
It is added in hydrothermal reaction kettle, hydro-thermal reaction 38min coagulates to get to modifying titanium dioxide under the conditions of maintenance reaction temperature is 67 DEG C
Glue；
(4), weigh 65 parts of polyvinyl chloride, 51 parts of methyl methacrylates, 8 parts of acrylamides, 1 part of azodiisobutyronitrile, 8 parts
AOE powder and 4 parts of K12 powder are added in reaction kettle, mixing speed 100r/min, are reacted under the conditions of 87 DEG C of maintenance system temperature
25min, by the temperature of reaction kettle 39min that is warming up at 99 DEG C that the reaction was continued, product after -50 DEG C of freeze-dryings, crush to get to
Modified polyvinyl chloride；
(5), 95 parts of modified polyvinyl chlorides, 63 parts of modifying titanium dioxide gels, 39 parts of modified polyurethane sponges are weighed and are added to height
In fast mixing machine, with high-speed mixer in 183 DEG C of hybrid reaction 2min of temperature, with extruder in 185 DEG C of extrusion moldings of temperature, i.e.,
Obtain polyvinyl chloride thermal insulation material for building.
Embodiment 4
A kind of polyvinyl chloride thermal insulation material for building, preparation method include the following steps：
(1), weigh 60 parts of polyurethane sponges, 33 parts of agaroses, 87 parts of water, 43 parts of methyl methacrylates, 7 parts of acrylic acid, 6 parts
Maleic acid and 0.4 part of benzoyl peroxide are added in reaction kettle, mixing speed 77r/min, maintenance system temperature 79
30min is reacted under the conditions of DEG C, by temperature of reaction kettle be warming up at 99 DEG C that the reaction was continued 52min, -80 DEG C of freeze-dryings of product warp
Afterwards, it crushes, product is modified through 100 DEG C of 2L water concussion washings 5 times, product in 65 DEG C, -0.07MPa vacuum drying 20min
Polyurethane sponge；
(2), it weighs 98 parts of butyl titanates, 149 parts of ethyl alcohol and 4 parts of phosphoric acid to be added in reaction kettle, mixing speed 127r/
41 parts of butanol, 5.1 parts of water, 1.4 parts of neopelexes are added to reaction by min according to the adding speed of 0.3 part/min
In kettle, 4h is reacted under the conditions of 38 DEG C of maintenance system temperature, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains dioxy
Change titanium gel；
(3), 75 parts of titania gels, 2.5 parts of neopelexes, 59 parts of butyl butyrates and 7 parts of oleics are weighed
Ester is added in hydrothermal reaction kettle, and it is hydro-thermal reaction 40min under the conditions of 58 DEG C to get to modifying titanium dioxide to maintain reaction temperature
Gel；
(4), 65 parts of polyvinyl chloride, 39 parts of methyl methacrylates, 7.2 parts of acrylamides, 0.4 part of azodiisobutyronitrile, 5 are weighed
Part AOE powder and 1.6 parts of K12 powder are added in reaction kettle, mixing speed 89r/min, anti-under the conditions of 82 DEG C of maintenance system temperature
Answer 25min, by the temperature of reaction kettle 44min that is warming up at 93 DEG C that the reaction was continued, product after -50 DEG C of freeze-dryings, crush to get
To modified polyvinyl chloride；
(5), 95 parts of modified polyvinyl chlorides, 60 parts of modifying titanium dioxide gels, 29 parts of modified polyurethane sponges are weighed and are added to height
In fast mixing machine, with high-speed mixer in 177 DEG C of hybrid reaction 3min of temperature, with extruder in 179 DEG C of extrusion moldings of temperature, i.e.,
Obtain polyvinyl chloride thermal insulation material for building.
Embodiment 5
A kind of polyvinyl chloride thermal insulation material for building, preparation method include the following steps：
(1), weigh 60 parts of polyurethane sponges, 37 parts of agaroses, 91 parts of water, 40 parts of methyl methacrylates, 6.9 parts of acrylic acid,
5.5 parts of maleic acids and 0.8 part of benzoyl peroxide are added in reaction kettle, mixing speed 76r/min, maintenance system temperature
30min is reacted under the conditions of 79 DEG C of degree, by temperature of reaction kettle be warming up at 102 DEG C that the reaction was continued 60min, -80 DEG C of freezings of product warp
It after drying, crushes, product is obtained through 100 DEG C of 2L water concussion washings 5 times, product in 65 DEG C, -0.07MPa vacuum drying 20min
Modified polyurethane sponge；
(2), it weighs 98 parts of butyl titanates, 161 parts of ethyl alcohol and 7 parts of phosphoric acid to be added in reaction kettle, mixing speed 129r/
45 parts of butanol, 4.7 parts of water, 1.8 parts of neopelexes are added to reaction by min according to the adding speed of 0.3 part/min
In kettle, 4h is reacted under the conditions of 39 DEG C of maintenance system temperature, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains dioxy
Change titanium gel；
(3), it is sweet that 75 parts of titania gels, 2.8 parts of neopelexes, 61 parts of butyl butyrates and 7.5 parts of oleic acid are weighed
Grease is added in hydrothermal reaction kettle, and it is hydro-thermal reaction 45min under the conditions of 66 DEG C to get to modified titanium dioxide to maintain reaction temperature
Titanium gel；
(4), weigh 65 parts of polyvinyl chloride, 50 parts of methyl methacrylates, 6.5 parts of acrylamides, 0.7 part of azodiisobutyronitrile,
4.4 parts of AOE powder and 3.2 parts of K12 powder are added in reaction kettle, mixing speed 90r/min, 82 DEG C of conditions of maintenance system temperature
Lower reaction 25min, by the temperature of reaction kettle 41min that is warming up at 94 DEG C that the reaction was continued, product after -50 DEG C of freeze-dryings, crush,
Obtain modified polyvinyl chloride；
(5), 95 parts of modified polyvinyl chlorides, 56 parts of modifying titanium dioxide gels, 32 parts of modified polyurethane sponges are weighed and are added to height
In fast mixing machine, with high-speed mixer in 176 DEG C of hybrid reaction 4min of temperature, with extruder in 178 DEG C of extrusion moldings of temperature, i.e.,
Obtain polyvinyl chloride thermal insulation material for building.
Embodiment 6
A kind of polyvinyl chloride thermal insulation material for building, preparation method include the following steps：
(1), weigh 60 parts of polyurethane sponges, 39 parts of agaroses, 86 parts of water, 47 parts of methyl methacrylates, 9 parts of acrylic acid, 5 parts
Maleic acid and 0.6 part of benzoyl peroxide are added in reaction kettle, mixing speed 77r/min, maintenance system temperature 79
30min is reacted under the conditions of DEG C, by temperature of reaction kettle be warming up at 99 DEG C that the reaction was continued 54min, -80 DEG C of freeze-dryings of product warp
Afterwards, it crushes, product is modified through 100 DEG C of 2L water concussion washings 5 times, product in 65 DEG C, -0.07MPa vacuum drying 20min
Polyurethane sponge；
(2), it weighs 98 parts of butyl titanates, 161 parts of ethyl alcohol and 7 parts of phosphoric acid to be added in reaction kettle, mixing speed 128r/
46 parts of butanol, 5.3 parts of water, 2.3 parts of neopelexes are added to reaction by min according to the adding speed of 0.3 part/min
In kettle, 5h is reacted under the conditions of 44 DEG C of maintenance system temperature, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains dioxy
Change titanium gel；
(3), it is sweet that 75 parts of titania gels, 3.7 parts of neopelexes, 61 parts of butyl butyrates and 7.6 parts of oleic acid are weighed
Grease is added in hydrothermal reaction kettle, and it is hydro-thermal reaction 49min under the conditions of 62 DEG C to get to modified titanium dioxide to maintain reaction temperature
Titanium gel；
(4), weigh 65 parts of polyvinyl chloride, 46 parts of methyl methacrylates, 6 parts of acrylamides, 0.6 part of azodiisobutyronitrile, 4 parts
AOE powder and 2 parts of K12 powder are added in reaction kettle, mixing speed 98r/min, are reacted under the conditions of 81 DEG C of maintenance system temperature
25min, by the temperature of reaction kettle 53min that is warming up at 94 DEG C that the reaction was continued, product after -50 DEG C of freeze-dryings, crush to get to
Modified polyvinyl chloride；
(5), 95 parts of modified polyvinyl chlorides, 57 parts of modifying titanium dioxide gels, 36 parts of modified polyurethane sponges are weighed and are added to height
In fast mixing machine, with high-speed mixer in 178 DEG C of hybrid reaction 3min of temperature, with extruder in 182 DEG C of extrusion moldings of temperature, i.e.,
Obtain polyvinyl chloride thermal insulation material for building.
Embodiment 7
A kind of polyvinyl chloride thermal insulation material for building, preparation method include the following steps：
(1), weigh 60 parts of polyurethane sponges, 40 parts of agaroses, 93 parts of water, 44 parts of methyl methacrylates, 7 parts of acrylic acid, 6 parts
Maleic acid and 0.6 part of benzoyl peroxide are added in reaction kettle, mixing speed 79r/min, maintenance system temperature 80
30min is reacted under the conditions of DEG C, by temperature of reaction kettle be warming up at 101 DEG C that the reaction was continued 66min, -80 DEG C of freeze-dryings of product warp
Afterwards, it crushes, product is modified through 100 DEG C of 2L water concussion washings 5 times, product in 65 DEG C, -0.07MPa vacuum drying 20min
Polyurethane sponge；
(2), it weighs 98 parts of butyl titanates, 157 parts of ethyl alcohol and 4.5 parts of phosphoric acid to be added in reaction kettle, mixing speed 129r/
46 parts of butanol, 5.3 parts of water, 1.7 parts of neopelexes are added to reaction by min according to the adding speed of 0.3 part/min
In kettle, 4h is reacted under the conditions of 38 DEG C of maintenance system temperature, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains dioxy
Change titanium gel；
(3), 75 parts of titania gels, 4 parts of neopelexes, 61 parts of butyl butyrates and 8 parts of oleins are weighed
It is added in hydrothermal reaction kettle, hydro-thermal reaction 55min coagulates to get to modifying titanium dioxide under the conditions of maintenance reaction temperature is 60 DEG C
Glue；
(4), weigh 65 parts of polyvinyl chloride, 44 parts of methyl methacrylates, 6 parts of acrylamides, 0.8 part of azodiisobutyronitrile, 5 parts
AOE powder and 3 parts of K12 powder are added in reaction kettle, mixing speed 87r/min, are reacted under the conditions of 83 DEG C of maintenance system temperature
25min, by the temperature of reaction kettle 52min that is warming up at 96 DEG C that the reaction was continued, product after -50 DEG C of freeze-dryings, crush to get to
Modified polyvinyl chloride；
(5), 95 parts of modified polyvinyl chlorides, 57 parts of modifying titanium dioxide gels, 33 parts of modified polyurethane sponges are weighed and are added to height
In fast mixing machine, with high-speed mixer in 174 DEG C of hybrid reaction 5min of temperature, with extruder in 183 DEG C of extrusion moldings of temperature, i.e.,
Obtain polyvinyl chloride thermal insulation material for building.
Embodiment 8
A kind of polyvinyl chloride thermal insulation material for building, preparation method include the following steps：
(1), weigh 60 parts of polyurethane sponges, 42 parts of agaroses, 92 parts of water, 43 parts of methyl methacrylates, 8.5 parts of acrylic acid,
5.5 parts of maleic acids and 0.6 part of benzoyl peroxide are added in reaction kettle, mixing speed 75r/min, maintenance system temperature
30min is reacted under the conditions of 81 DEG C of degree, by temperature of reaction kettle be warming up at 98 DEG C that the reaction was continued 59min, -80 DEG C of freezings of product warp
It after drying, crushes, product is obtained through 100 DEG C of 2L water concussion washings 5 times, product in 65 DEG C, -0.07MPa vacuum drying 20min
Modified polyurethane sponge；
(2), it weighs 98 parts of butyl titanates, 151 parts of ethyl alcohol and 4 parts of phosphoric acid to be added in reaction kettle, mixing speed 135r/
41 parts of butanol, 5.5 parts of water, 2.3 parts of neopelexes are added to reaction by min according to the adding speed of 0.3 part/min
In kettle, 5h is reacted under the conditions of 37 DEG C of maintenance system temperature, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains dioxy
Change titanium gel；
(3), 75 parts of titania gels, 4 parts of neopelexes, 61 parts of butyl butyrates and 8 parts of oleins are weighed
It is added in hydrothermal reaction kettle, hydro-thermal reaction 45min coagulates to get to modifying titanium dioxide under the conditions of maintenance reaction temperature is 66 DEG C
Glue；
(4), weigh 65 parts of polyvinyl chloride, 50 parts of methyl methacrylates, 7 parts of acrylamides, 0.6 part of azodiisobutyronitrile, 4 parts
AOE powder and 2 parts of K12 powder are added in reaction kettle, mixing speed 89r/min, are reacted under the conditions of 81 DEG C of maintenance system temperature
25min, by the temperature of reaction kettle 56min that is warming up at 97 DEG C that the reaction was continued, product after -50 DEG C of freeze-dryings, crush to get to
Modified polyvinyl chloride；
(5), 95 parts of modified polyvinyl chlorides, 56 parts of modifying titanium dioxide gels, 36 parts of modified polyurethane sponges are weighed and are added to height
In fast mixing machine, with high-speed mixer in 179 DEG C of hybrid reaction 4min of temperature, with extruder in 181 DEG C of extrusion moldings of temperature, i.e.,
Obtain polyvinyl chloride thermal insulation material for building.
Reference examples 1
In this reference examples, modified polyurethane sponge is not added, and other components and preparation method are same as Example 1.
Reference examples 2
In this reference examples, titania gel is not added, other components and preparation method are same as Example 1.
Reference examples 3
In this reference examples, modifying titanium dioxide gel is not added, and other components and preparation method are same as Example 1.
Reference examples 4
The modified polyurethane sponge in conventional polyurethanes sponge alternate embodiment 1, other components are selected in this reference examples, in formula
It is same as Example 1 with preparation method.
Reference examples 5
The titania gel in ordinary titanium dioxide alternate embodiment 1, other components and system are selected in this reference examples, in formula
Preparation Method is same as Example 1.
Reference examples 6
The modifying titanium dioxide gel in ordinary titanium dioxide alternate embodiment 1, other components are selected in this reference examples, in formula
It is same as Example 1 with preparation method.
Reference examples 7
The modified polyvinyl chloride in common polyvinyl chloride alternate embodiment 1, other components and system are selected in this reference examples, in formula
Preparation Method is same as Example 1.
The performance parameter of polyvinyl chloride thermal insulation material for building made from 1 embodiment 1 of table and reference examples 1~7
| Embodiment 1 | Reference examples 1 | Reference examples 2 | Reference examples 3 | Reference examples 4 | Reference examples 5 | Reference examples 6 | Reference examples 7 | |
| Low thermal conductivity/mW/ (m.k) | 51.2 | 63.7 | 69.8 | 75.3 | 68.6 | 71.3 | 76.1 | 87.5 |
The above is the preferred embodiment of the invention, it is noted that for those skilled in the art,
Under the premise of the inventive principle is not departed from, several improvements and modifications can also be made, these improvements and modifications are also considered as the hair
Bright protection domain.
Claims (3)
1. a kind of preparation method of polyvinyl chloride thermal insulation material for building, it is characterised in that：Including following raw material components：It is modified poly-
Vinyl chloride, modifying titanium dioxide gel, modified polyurethane sponge, the modified polyvinyl chloride, change modifying titanium dioxide gel
Property polyurethane sponge quality parts ratio be 95：51~63：28~39, wherein, the modified polyvinyl chloride by polyvinyl chloride,
Methyl methacrylate, acrylamide, azodiisobutyronitrile, AOE powder and the reaction of K12 powder are made, the polyvinyl chloride, methyl
Methyl acrylate, acrylamide, azodiisobutyronitrile, AOE powder and K12 powder quality parts ratio be 65：37~51：5~8：0.3
~1：3~8：1~4, the modifying titanium dioxide gel is by titania gel, neopelex, butyl butyrate
It is made with olein reaction, titania gel, neopelex, butyl butyrate and the olein
Quality parts ratio be 75：2~5：57~65：6~9, the titania gel by butyl titanate, ethyl alcohol, butanol,
Water, neopelex and phosphatase reaction are made, the butyl titanate, ethyl alcohol, butanol, water, detergent alkylate sulphur
The quality parts ratio of sour sodium and phosphoric acid is 98：145~166：35~49：4.5~5.7：1~3：2~8, the poly- ammonia of the modification
Ester sponge is anti-by polyurethane sponge, agarose, water, methyl methacrylate, acrylic acid, maleic acid and benzoyl peroxide
It should be made, the polyurethane sponge, agarose, water, methyl methacrylate, acrylic acid, maleic acid and benzoyl peroxide
The quality parts ratio of formyl is 60：31~43：85~97：37~51：6~9：4~7：0.2~1.
2. a kind of preparation method of polyvinyl chloride thermal insulation material for building according to claim 1, it is characterised in that：Described
Polyvinyl chloride thermal insulation material for building is as made from following preparation method：(1), by polyurethane sponge, agarose, water, methyl
Methyl acrylate, acrylic acid, maleic acid and benzoyl peroxide are 60 according to quality parts ratio：31~43：85~97：37
~51：6~9：4~7：0.2~1 is added in reaction kettle, mixing speed be 73~80r/min, maintenance system temperature 75~82
30min is reacted under the conditions of DEG C, by temperature of reaction kettle be warming up at 95~106 DEG C that the reaction was continued 45~70min, -80 DEG C of product warp
After freeze-drying, crushing, product washs 5 times through 100 DEG C of water concussions of 2L, and product is dried in vacuo 20min in 65 DEG C, -0.07MPa,
Obtain modified polyurethane sponge；(2), it is 98 according to quality parts ratio by butyl titanate, ethyl alcohol and phosphoric acid：145~166：2~
8 are added in reaction kettle, and mixing speed is 120~137r/min, are 35~49 by quality parts ratio：4.5~5.7：1~3
Butanol, water, neopelex are added to according to the adding speed of 0.3 part/min in reaction kettle, maintenance system temperature 33
3~6h is reacted under the conditions of~45 DEG C, product is evaporated under reduced pressure 25min through 51 DEG C, -0.05MPa, obtains titania gel；(3)、
By titania gel, neopelex, butyl butyrate and olein according to quality parts ratio 75：2~5：57
~65：6~9 are added in hydrothermal reaction kettle, and it is 38~55min of hydro-thermal reaction under the conditions of 53~67 DEG C to maintain reaction temperature, i.e.,
Obtain modifying titanium dioxide gel；(4), by polyvinyl chloride, methyl methacrylate, acrylamide, azodiisobutyronitrile, AOE
Powder and K12 powder are according to quality parts ratio 65：37~51：5~8：0.3~1：3~8：1~4 is added in reaction kettle, mixing speed
For 85~100r/min, 25min is reacted under the conditions of 78~87 DEG C of maintenance system temperature, temperature of reaction kettle is warming up to 92~99
The reaction was continued at DEG C 39~60min, product after -50 DEG C of freeze-dryings, crush to get to modified polyvinyl chloride；(5), will change
Property polyvinyl chloride, modifying titanium dioxide gel, modified polyurethane sponge are according to quality parts ratio 95：51~63：28~39 add in
Into high-speed mixer, with high-speed mixer in 170~183 DEG C of 2~6min of hybrid reaction of temperature, with extruder in temperature 177
~185 DEG C of extrusion moldings are to get to polyvinyl chloride thermal insulation material for building.
3. a kind of preparation method of polyvinyl chloride thermal insulation material for building according to claim 2, it is characterised in that：Described
Polyurethane sponge is the leftover pieces of polyurethane sponge production, and the density of polyurethane sponge is 35 kg/m3。
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743352A (en) * | 2005-09-29 | 2006-03-08 | 河北工业大学 | Polyurethane and its complex substance in-situ modified polyvinyl chloride resin and preparing method |
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|---|---|---|---|---|
| CN1743352A (en) * | 2005-09-29 | 2006-03-08 | 河北工业大学 | Polyurethane and its complex substance in-situ modified polyvinyl chloride resin and preparing method |
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