CN107163171A - A kind of preparation method of crosslinked polystyrene building thermal insulation material - Google Patents
A kind of preparation method of crosslinked polystyrene building thermal insulation material Download PDFInfo
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- CN107163171A CN107163171A CN201710548212.7A CN201710548212A CN107163171A CN 107163171 A CN107163171 A CN 107163171A CN 201710548212 A CN201710548212 A CN 201710548212A CN 107163171 A CN107163171 A CN 107163171A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F112/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F112/02—Monomers containing only one unsaturated aliphatic radical
- C08F112/04—Monomers containing only one unsaturated aliphatic radical containing one ring
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- C08F112/08—Styrene
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
- C08F8/32—Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
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Abstract
The invention discloses a kind of preparation method of crosslinked polystyrene building thermal insulation material, cyanamide fluidized polymer is blended the present invention with the aqueous emulsion containing aluminium dihydrogen phosphate, foaming agent is introduced during cyanamide with castor oil acid reaction to be foamed, filling effect of the aluminium dihydrogen phosphate in polymeric matrix is effectively promoted, the stability_intensity of finished product is further increased.The finished-product material foamed stability of the present invention, mechanical property, good heat preservation performance, combination property are superior.
Description
Technical field
The invention belongs to building material field, and in particular to a kind of preparation side of crosslinked polystyrene building thermal insulation material
Method.
Background technology
The purposes of foamed polystyrene resin widely, because it has high intensity, light weight, splendid insulation adiabatic
Performance and high-selenium corn energy ability, may be used as various instrument, valuables, precision instrument, vegetable and fruit and aquatic products etc.
Packaging material；And because its have that pyroconductivity is low, water imbibition is small, electrical insulating property good, sound insulation, protection against the tide and moulding process it is simple
Deng good characteristic, and industry is fished for and refrigerated in the roadbed laying and building construction and fishery that are widely used in road and bridge
Insulation material in terms of.Wherein, as a kind of excellent construction material, foamed polystyrene resin is mainly used in building
Roofing and wall, it has very good energy-saving effect as external heat insulating composite wall；And be applied to live as heat insulation house surface
Residence, factory, flat and pitch roofing, can play the effect such as sound insulation, dash steam, sealing and insulation；
Polystyrene resin is as insulation material for building, and several performance indications of overriding concern are low thermal conductivities and preferable
Mechanical property, traditional foamed polystyrene can introduce inorganic filler to improve mechanical property, but inorganic filler and polymer
The compatibility of matrix is poor, the stability reduction of finished product is easily caused, so as to reduce the performance of product.
The content of the invention
It is an object of the invention to the mechanical property for improving traditional Polystyrene heat insulation material, there is provided one kind crosslinking is poly-
The preparation method of styrene building thermal insulation material.
To achieve the above object, the present invention uses following technical scheme：
A kind of preparation method of crosslinked polystyrene building thermal insulation material, comprises the following steps：
（1）The initiator of 3-4 parts by weight is taken, in the deionized water for being added to 17-20 times of its weight, is stirred；
（2）The 8-hydroxyquinoline of 0.9-1 parts by weight is taken, in the absolute ethyl alcohol for being added to 28-35 times of its weight, is stirred, plus
Enter the zinc stearate of 2-3 parts by weight, insulated and stirred 1-2 hours at 60-70 DEG C, obtain alcohol dispersion liquid；
（3）The sepiolite powder of 13-20 parts by weight is taken, is added in 1-2mol/l sodium hydroxide and soaks 1-2 hours, water after discharging
Wash, dry, be added in above-mentioned alcohol dispersion liquid, it is ultrasonic 10-20 minutes, obtain organic fossil meal solution；
（4）Melamine, the mixing of 110-130 parts by weight of styrene of 2-3 parts by weight are taken, is preheated 3-5 minutes at 90-95 DEG C,
It is added in above-mentioned organic fossil meal solution, stirs to normal temperature, be sent in reactor, be passed through nitrogen, adjusts temperature of reaction kettle
For 60-70 DEG C, insulated and stirred 3-4 hours after above-mentioned initiator solution, completion of dropping are added dropwise, discharging obtains cyanamide fluidized polymer molten
Liquid；
（5）The triethyl citrate of 4-5 parts by weight is taken, is added in above-mentioned cyanamide fluidized polymer solution, 20-30 points of stirring mixing
Clock, is distilled off ethanol, is sent in 50-60 DEG C of baking oven, dries 3-4 hours, discharging cooling, obtains cyanamide fluidized polymer；
（6）The aluminium dihydrogen phosphate of 2-3 parts by weight is taken, in the deionized water for being added to 13-15 times of its weight, stirring and dissolving is added
The castor oil acid of 3-5 parts by weight, insulated and stirred 16-20 minutes at 80-90 DEG C, adds the emulsifying agent of 0.1-0.2 parts by weight,
800-1000 revs/min is stirred 4-10 minutes, obtains aqueous emulsion；
（7）Above-mentioned cyanamide fluidized polymer is taken, is added in above-mentioned aqueous emulsion, stirs, be sent in reactor, regulation reaction
Kettle temperature degree is 110-120 DEG C, adds the ac foaming agents of 4-5 parts by weight, and product is passed through in insulated and stirred 2-3 hours, discharging cooling
Washing, dry, screening, produce the crosslinked polystyrene building thermal insulation material.
Described initiator is the mixture of one or both of ammonium persulfate, sodium peroxydisulfate, when for two kinds of mixing
During thing, ammonium persulfate, the weight ratio of sodium peroxydisulfate are 1-2:1-2.
Described emulsifying agent is glycerin monostearate.
Advantages of the present invention：
The present invention is disperseed using zinc stearate in alcoholic solution first, the sepiolite powder then added after dipping by lye, sepiolite
Powder can play the effect of stable micropore after dipping by lye is handled, then by the chemisorbed of zinc stearate, in Hai Pao
Stone flour surface forms one layer of organic structure sheaf, then handles styrene monomer using melamine, using alcoholic solution as solvent, and
Stone flour after organic-treating is participated in polymerisation so that the stone flour organised can be good at being distributed to polymer matrix
In body, combining closely for stone flour and polymer is realized, the bin stability intensity of finished product is improved, while improving mechanical property
Can, then obtained cyanamide fluidized polymer is blended with the aqueous emulsion containing aluminium dihydrogen phosphate, reacted in cyanamide and castor oil acid
During introduce foaming agent foamed, be effectively promoted filling effect of the aluminium dihydrogen phosphate in polymeric matrix, enter one
Step improves the stability_intensity of finished product.The finished-product material foamed stability of the present invention, mechanical property, good heat preservation performance, it is comprehensive
Can be superior.
Embodiment
Embodiment 1
A kind of preparation method of crosslinked polystyrene building thermal insulation material, comprises the following steps：
（1）The initiator of 4 parts by weight is taken, in the deionized water for being added to 20 times of its weight, is stirred；
（2）The 8-hydroxyquinoline of 1 parts by weight is taken, in the absolute ethyl alcohol for being added to 35 times of its weight, is stirred, 2-3 weights are added
The zinc stearate of part is measured, insulated and stirred 2 hours at 70 DEG C obtain alcohol dispersion liquid；
（3）The sepiolite powder of 20 parts by weight is taken, is added in 2mol/l sodium hydroxide and soaks 2 hours, is washed after discharging, is done
It is dry, it is added in above-mentioned alcohol dispersion liquid, ultrasound 20 minutes obtains organic fossil meal solution；
（4）Melamine, the styrene mixing of 130 parts by weight of 3 parts by weight are taken, preheats 5 minutes, is added to above-mentioned at 95 DEG C
In organic fossil meal solution, stir to normal temperature, be sent in reactor, be passed through nitrogen, regulation temperature of reaction kettle is 70 DEG C, is added dropwise
Insulated and stirred 4 hours after above-mentioned initiator solution, completion of dropping, discharging, obtain cyanamide fluidized polymer solution；
（5）The triethyl citrate of 5 parts by weight is taken, is added in above-mentioned cyanamide fluidized polymer solution, stirring mixing 30 minutes is steamed
Ethanol is removed in distillation, in the baking oven for being sent to 60 DEG C, is dried 4 hours, discharging cooling, obtains cyanamide fluidized polymer；
（6）The aluminium dihydrogen phosphate of 3 parts by weight is taken, in the deionized water for being added to 15 times of its weight, stirring and dissolving adds 5 weight
The castor oil acid of part, insulated and stirred 20 minutes at 90 DEG C add the emulsifying agent of 0.2 parts by weight, and 1000 revs/min are stirred 10 points
Clock, obtains aqueous emulsion；
（7）Above-mentioned cyanamide fluidized polymer is taken, is added in above-mentioned aqueous emulsion, stirs, be sent in reactor, regulation reaction
Kettle temperature degree be 120 DEG C, add 4-5 parts by weight ac foaming agents, insulated and stirred 3 hours, discharging cooling, by product by washing,
Dry, sieve, produce the crosslinked polystyrene building thermal insulation material.
Described initiator is sodium peroxydisulfate.
Described emulsifying agent is glycerin monostearate.
Embodiment 2
A kind of preparation method of crosslinked polystyrene building thermal insulation material, comprises the following steps：
（1）The initiator of 3 parts by weight is taken, in the deionized water for being added to 17 times of its weight, is stirred；
（2）The 8-hydroxyquinoline of 0.9 parts by weight is taken, in the absolute ethyl alcohol for being added to 28 times of its weight, is stirred, 2 weights are added
The zinc stearate of part is measured, insulated and stirred 1 hour at 60 DEG C obtains alcohol dispersion liquid；
（3）The sepiolite powder of 13 parts by weight is taken, is added in 1mol/l sodium hydroxide and soaks 1 hour, is washed after discharging, is done
It is dry, it is added in above-mentioned alcohol dispersion liquid, ultrasound 10 minutes obtains organic fossil meal solution；
（4）Melamine, the styrene mixing of 110 parts by weight of 2-3 parts by weight are taken, preheats 3-5 minutes, is added at 90 DEG C
In above-mentioned organic fossil meal solution, stir to normal temperature, be sent in reactor, be passed through nitrogen, regulation temperature of reaction kettle is 60 DEG C,
Insulated and stirred 3 hours after above-mentioned initiator solution, completion of dropping are added dropwise, discharges, obtains cyanamide fluidized polymer solution；
（5）The triethyl citrate of 4 parts by weight is taken, is added in above-mentioned cyanamide fluidized polymer solution, stirring mixing 20 minutes is steamed
Ethanol is removed in distillation, in the baking oven for being sent to 50 DEG C, is dried 3 hours, discharging cooling, obtains cyanamide fluidized polymer；
（6）The aluminium dihydrogen phosphate of 2 parts by weight is taken, in the deionized water for being added to 13 times of its weight, stirring and dissolving adds 3 weight
The castor oil acid of part, insulated and stirred 16 minutes at 80 DEG C add the emulsifying agent of 0.1 parts by weight, and 800 revs/min are stirred 4 minutes,
Obtain aqueous emulsion；
（7）Above-mentioned cyanamide fluidized polymer is taken, is added in above-mentioned aqueous emulsion, stirs, be sent in reactor, regulation reaction
Kettle temperature degree be 110 DEG C, add 4-5 parts by weight ac foaming agents, insulated and stirred 2 hours, discharging cooling, by product by washing,
Dry, sieve, produce the crosslinked polystyrene building thermal insulation material.
Described initiator is ammonium persulfate.
Described emulsifying agent is glycerin monostearate.
Performance test：
The bending strength of crosslinked polystyrene building thermal insulation material of the present invention is 0.37-0.4Mpa；
Compressive strength 0.18-0.2Mpa；
Thermal conductivity factor 0.039-0.040w/m.k；
The bending strength of traditional foamed polystyrene insulation material is 0.21-0.26Mpa；
Compressive strength 0.10-0.13Mpa；
Thermal conductivity factor 0.038-0.040w/m.k；
As can be seen that the insulation material of the present invention has good heat-insulating property, and mechanical property is relative to traditional polystyrene
Expanded material is more superior.
Claims (3)
1. a kind of preparation method of crosslinked polystyrene building thermal insulation material, it is characterised in that comprise the following steps：
（1）The initiator of 3-4 parts by weight is taken, in the deionized water for being added to 17-20 times of its weight, is stirred；
（2）The 8-hydroxyquinoline of 0.9-1 parts by weight is taken, in the absolute ethyl alcohol for being added to 28-35 times of its weight, is stirred, plus
Enter the zinc stearate of 2-3 parts by weight, insulated and stirred 1-2 hours at 60-70 DEG C, obtain alcohol dispersion liquid；
（3）The sepiolite powder of 13-20 parts by weight is taken, is added in 1-2mol/l sodium hydroxide and soaks 1-2 hours, water after discharging
Wash, dry, be added in above-mentioned alcohol dispersion liquid, it is ultrasonic 10-20 minutes, obtain organic fossil meal solution；
（4）Melamine, the mixing of 110-130 parts by weight of styrene of 2-3 parts by weight are taken, is preheated 3-5 minutes at 90-95 DEG C,
It is added in above-mentioned organic fossil meal solution, stirs to normal temperature, be sent in reactor, be passed through nitrogen, adjusts temperature of reaction kettle
For 60-70 DEG C, insulated and stirred 3-4 hours after above-mentioned initiator solution, completion of dropping are added dropwise, discharging obtains cyanamide fluidized polymer molten
Liquid；
（5）The triethyl citrate of 4-5 parts by weight is taken, is added in above-mentioned cyanamide fluidized polymer solution, 20-30 points of stirring mixing
Clock, is distilled off ethanol, is sent in 50-60 DEG C of baking oven, dries 3-4 hours, discharging cooling, obtains cyanamide fluidized polymer；
（6）The aluminium dihydrogen phosphate of 2-3 parts by weight is taken, in the deionized water for being added to 13-15 times of its weight, stirring and dissolving is added
The castor oil acid of 3-5 parts by weight, insulated and stirred 16-20 minutes at 80-90 DEG C, adds the emulsifying agent of 0.1-0.2 parts by weight,
800-1000 revs/min is stirred 4-10 minutes, obtains aqueous emulsion；
（7）Above-mentioned cyanamide fluidized polymer is taken, is added in above-mentioned aqueous emulsion, stirs, be sent in reactor, regulation reaction
Kettle temperature degree is 110-120 DEG C, adds the ac foaming agents of 4-5 parts by weight, and product is passed through in insulated and stirred 2-3 hours, discharging cooling
Washing, dry, screening, produce the crosslinked polystyrene building thermal insulation material.
2. a kind of preparation method of crosslinked polystyrene building thermal insulation material according to claim 1, it is characterised in that institute
The initiator stated is the mixture of one or both of ammonium persulfate, sodium peroxydisulfate, when the mixture for two kinds, persulfuric acid
Ammonium, the weight ratio of sodium peroxydisulfate are 1-2:1-2.
3. a kind of preparation method of crosslinked polystyrene building thermal insulation material according to claim 1, it is characterised in that institute
The emulsifying agent stated is glycerin monostearate.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530787A (en) * | 2018-05-15 | 2018-09-14 | 温州市赢创新材料技术有限公司 | A kind of cross-linked graphene heat preservation plate material preparation method |
| CN108641211A (en) * | 2018-05-09 | 2018-10-12 | 安徽富煌钢构股份有限公司 | A kind of impact resins base polystyrene foamed heat insulating plank and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161774A (en) * | 2011-01-26 | 2011-08-24 | 南京法宁格节能科技有限公司 | Method for producing polystyrene extruded sheets by using carbon dioxide foaming agent |
| CN105400092A (en) * | 2015-12-08 | 2016-03-16 | 佛山市雅洁源科技股份有限公司 | Energy saving and thermal insulation material |
| CN106147059A (en) * | 2016-07-08 | 2016-11-23 | 张海棠 | A kind of heat-preserving material and preparation method thereof |
-
2017
- 2017-07-06 CN CN201710548212.7A patent/CN107163171B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161774A (en) * | 2011-01-26 | 2011-08-24 | 南京法宁格节能科技有限公司 | Method for producing polystyrene extruded sheets by using carbon dioxide foaming agent |
| CN105400092A (en) * | 2015-12-08 | 2016-03-16 | 佛山市雅洁源科技股份有限公司 | Energy saving and thermal insulation material |
| CN106147059A (en) * | 2016-07-08 | 2016-11-23 | 张海棠 | A kind of heat-preserving material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641211A (en) * | 2018-05-09 | 2018-10-12 | 安徽富煌钢构股份有限公司 | A kind of impact resins base polystyrene foamed heat insulating plank and preparation method thereof |
| CN108530787A (en) * | 2018-05-15 | 2018-09-14 | 温州市赢创新材料技术有限公司 | A kind of cross-linked graphene heat preservation plate material preparation method |
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Effective date of registration: 20190422 Address after: 226600 Renqiao Industrial Concentration Zone, Zushimiao Village, Haian Town, Haian County, Nantong City, Jiangsu Province Applicant after: NANTONG SUDONG NEW EXTERNAL WALL INSULATION BOARD CO., LTD. Address before: 437200 53, Xu Jia Zhuang, Yuyue Town, Jiayu County, Xianning, Hubei Applicant before: Dong Yi |
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