CN107236214A - A kind of preparation method of the mechanical sheath material of weather resistant - Google Patents
A kind of preparation method of the mechanical sheath material of weather resistant Download PDFInfo
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- CN107236214A CN107236214A CN201710481049.7A CN201710481049A CN107236214A CN 107236214 A CN107236214 A CN 107236214A CN 201710481049 A CN201710481049 A CN 201710481049A CN 107236214 A CN107236214 A CN 107236214A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
The invention discloses a kind of preparation method of the mechanical sheath material of weather resistant, the crosslinking of diatomite and polyvinyl chloride is realized, the compatibility between diatomite and polyvinyl chloride is improved, the stability_intensity of finished product is improved；Present invention adds heat-resisting stabilizing agent, dibutyl tin laurate etc., the heat-resistant stability of finished product is effectively raised, heat resistanceheat resistant, light decomposability is improved, the bin stability intensity of finished product is further increased.
Description
Technical field
The invention belongs to Material Field, and in particular to a kind of preparation method of the mechanical sheath material of weather resistant.
Background technology
Polyvinyl chloride is that VCM is pressed certainly in initiators such as peroxide, azo-compounds, or under light, heat effect
The polymer being polymerized by base polymerization reaction mechanism.Ryuron and vinyl chloride copolymer system are referred to as vinyl chloride tree
Fat.PVC is the white powder of impalpable structure, and the degree of branching is smaller, relative density 1.4 or so, 77-90 DEG C of glass transition temperature, 170
DEG C or so start to decompose, the stability to light and heat is poor, more than 100 DEG C or through long-time exposure in sunshine, will decompose and produce
Raw hydrogen chloride, and further autocatalysis is decomposed, and causes discoloration, physical and mechanical properties also declines rapidly, in actual applications must
Stabilizer must be added to improve the stability to light and heat.Industrial PVC molecular weight is general in the range of 50,000-11 ten thousand, tool
There are larger polydispersity, the reduction of molecular weight with polymerisation temperature and increase;Without definite melting point, 80 ~ 85 DEG C start softening, 130
DEG C it is changed into viscoelastic state, 160-180 DEG C starts to be changed into viscous state;There are preferable mechanical performance, tensile strength 60MPa or so, rush
Hit intensity 5-10kJ/m2, there is excellent dielectric properties.
Polyvinyl chloride was once the general-purpose plastics of yield maximum in the world, using widely, in construction material, industry system
Product, commodity, flooring laminate, floor tile, artificial leather, tubing, electric wire, packaging film, bottle, expanded material, encapsulant, fibre
It is widely used, generally for the mechanical property for improving polyvinyl chloride, often adds wherein in terms of dimension, mechanical sheath material
Enter a variety of inorganic additives, but the poor compatibility of inorganic additive and polymer, reunion is easily caused, the stabilization of finished product is reduced
Property intensity, simultaneously because the heat-resistant stability of polyvinyl chloride is poor, easily decompose, just reduce its applicability in some fields.
The content of the invention
It is an object of the invention to the poor compatibility for existing middle inorganic additive and polymer, reunion is easily caused,
The heat-resistant stability of traditional polyvinyl chloride is poor simultaneously, and easily there is provided a kind of preparation method of the mechanical sheath material of weather resistant for decomposition.
To achieve the above object, the present invention uses following technical scheme：
A kind of preparation method of the mechanical sheath material of weather resistant, comprises the following steps：
（1）The zinc acetylacetonate of 0.6-1 parts by weight is taken, in the absolute ethyl alcohol for being added to 5-10 times of its weight, is stirred, is added
The melamine of 2-3 parts by weight, stirs, and obtains cyanamide alcohol dispersion liquid；
（2）The diatomite of 13-20 parts by weight is taken, is calcined 1-2 hours at 600-700 DEG C, is cooled to normal temperature, wears into fine powder, plus
Enter into above-mentioned cyanamide alcohol dispersion liquid, in the water bath with thermostatic control of 50-60 DEG C of feeding, insulated and stirred 2-3 hours, discharging is distilled off
Ethanol, air drying obtains cyanamide SiClx diatomaceous earth；
（3）The polyvinyl chloride of 30-40 parts by weight is taken, is mixed with the epoxyoleic acid butyl ester of 4-5 parts by weight, is sent to 135-140 DEG C
Oil bath in, insulated and stirred 20-30 minutes, discharging adds compound weight 25-30% thionyl chloride, stirs to normal temperature, obtains
Modified polyvinyl chloride solution；
（4）The dibutyl tin laurate of 0.5-1 parts by weight is taken, in the dimethylformamide for being added to 5-10 times of its weight, is stirred
Mix uniform, add the APP of 2-3 parts by weight, it is ultrasonic 1-2 minutes, obtain acid amides dispersion liquid；
（5）The ascorbic acid of 2-4 parts by weight is taken, in the deionized water for being added to 10-15 times of its weight, is stirred；
（6）Above-mentioned modified polyvinyl chloride solution, the mixing of acid amides dispersion liquid are taken, is stirred, rise temperature is 60-70 DEG C, is added dropwise
Insulated and stirred 2-3 hours after above-mentioned aqueous ascorbic acid, completion of dropping, chloride dispersion liquid is obtained；
（7）Above-mentioned cyanamide SiClx diatomaceous earth is taken, is added in above-mentioned chloride dispersion liquid, stirs, the resistance to of 1-2 parts by weight is added
Heat stabilizer, rise temperature is 75-80 DEG C, ammoniacal liquor that 4-5 parts by weight are added dropwise, that concentration is 10-12%, is incubated after completion of dropping
Precipitation is washed in stirring 1-2 hours, filtering, and air drying obtains diatomite cross-linked polrvinyl chloride；
（8）Above-mentioned diatomite cross-linked polrvinyl chloride is taken, mixes, stirs with the polyvinyl chloride of 100-120 parts by weight, be sent to
In extruder, melting extrusion, cooling produces the mechanical sheath material of the weather resistant.
Described heat-resisting stabilizing agent is one kind in zinc stearate, zinc ricinate.
Advantages of the present invention：The present invention is first handled zinc acetylacetonate by melamine, obtains cyanamide alcohol dispersion liquid,
Then diatomite is modified, obtains cyanamide SiClx diatomaceous earth, then mix polyvinyl chloride with epoxyoleic acid butyl ester, in chlorination
It is pre-dispersed in sulfoxide, modified polyvinyl chloride solution is obtained, then reacts it with ascorbic acid, it is molten using dimethylformamide as reaction
Agent, obtains chloride dispersion liquid, and then cyanamide SiClx diatomaceous earth is added in chloride dispersion liquid, under base catalysis effect,
By the reaction of acid chloride group and amine, the crosslinking of diatomite and polyvinyl chloride is realized, is improved between diatomite and polyvinyl chloride
Compatibility, improves the stability_intensity of finished product；Present invention adds heat-resisting stabilizing agent, dibutyl tin laurate etc., effectively
The heat-resistant stability for improving finished product, improve heat resistanceheat resistant, light decomposability, the bin stability for further increasing finished product is strong
Degree.
Embodiment
Embodiment 1
A kind of preparation method of the mechanical sheath material of weather resistant, comprises the following steps：
（1）The zinc acetylacetonate of 1 parts by weight is taken, in the absolute ethyl alcohol for being added to 10 times of its weight, is stirred, 2-3 weights are added
The melamine of part is measured, stirs, obtains cyanamide alcohol dispersion liquid；
（2）The diatomite of 20 parts by weight is taken, is calcined 2 hours at 700 DEG C, is cooled to normal temperature, wears into fine powder, be added to above-mentioned cyanogen
In amine alcohol dispersion liquid, in the water bath with thermostatic control of 60 DEG C of feeding, ethanol is distilled off, and air drying is obtained in insulated and stirred 3 hours, discharging
Cyanamide SiClx diatomaceous earth；
（3）The polyvinyl chloride of 40 parts by weight is taken, is mixed with the epoxyoleic acid butyl ester of 5 parts by weight, in the oil bath for being sent to 140 DEG C,
Insulated and stirred 30 minutes, discharging adds the thionyl chloride of compound weight 30%, stirs to normal temperature, obtains modified polyvinyl chloride molten
Liquid；
（4）The dibutyl tin laurate of 1 parts by weight is taken, in the dimethylformamide for being added to 10 times of its weight, is stirred,
The APP of 3 parts by weight is added, ultrasound 2 minutes obtains acid amides dispersion liquid；
（5）The ascorbic acid of 4 parts by weight is taken, in the deionized water for being added to 15 times of its weight, is stirred；
（6）Above-mentioned modified polyvinyl chloride solution, the mixing of acid amides dispersion liquid are taken, is stirred, rise temperature is 70 DEG C, is added dropwise above-mentioned
Insulated and stirred 3 hours after aqueous ascorbic acid, completion of dropping, obtain chloride dispersion liquid；
（7）Above-mentioned cyanamide SiClx diatomaceous earth is taken, is added in above-mentioned chloride dispersion liquid, stirs, the heat-resisting of 2 parts by weight is added
Stabilizer, rise temperature is 80 DEG C, ammoniacal liquor that 5 parts by weight are added dropwise, that concentration is 12%, insulated and stirred 2 hours after completion of dropping,
Filtering, precipitation is washed, and air drying obtains diatomite cross-linked polrvinyl chloride；
（8）Above-mentioned diatomite cross-linked polrvinyl chloride is taken, mixes, stirs with the polyvinyl chloride of 120 parts by weight, extrusion is sent to
In machine, melting extrusion, cooling produces the mechanical sheath material of the weather resistant.
Described heat-resisting stabilizing agent is zinc ricinate.
Embodiment 2
A kind of preparation method of the mechanical sheath material of weather resistant, comprises the following steps：
（1）The zinc acetylacetonate of 0.6 parts by weight is taken, in the absolute ethyl alcohol for being added to 5 times of its weight, is stirred, 2 weight are added
The melamine of part, stirs, obtains cyanamide alcohol dispersion liquid；
（2）The diatomite of 13 parts by weight is taken, is calcined 1 hour at 600 DEG C, is cooled to normal temperature, wears into fine powder, be added to above-mentioned cyanogen
In amine alcohol dispersion liquid, in 50 DEG C of water bath with thermostatic control of feeding, insulated and stirred 2-3 hour discharges, and is distilled off ethanol, air drying,
Obtain cyanamide SiClx diatomaceous earth；
（3）The polyvinyl chloride of 30 parts by weight is taken, is mixed with the epoxyoleic acid butyl ester of 4 parts by weight, in the oil bath for being sent to 135 DEG C,
Insulated and stirred 20 minutes, discharging adds the thionyl chloride of compound weight 25%, stirs to normal temperature, obtains modified polyvinyl chloride molten
Liquid；
（4）The dibutyl tin laurate of 0.5 parts by weight is taken, in the dimethylformamide for being added to 5 times of its weight, stirring is equal
It is even, the APP of 2 parts by weight is added, ultrasound 1 minute obtains acid amides dispersion liquid；
（5）The ascorbic acid of 2-4 parts by weight is taken, in the deionized water for being added to 10 times of its weight, is stirred；
（6）Above-mentioned modified polyvinyl chloride solution, the mixing of acid amides dispersion liquid are taken, is stirred, rise temperature is 60 DEG C, is added dropwise above-mentioned
Insulated and stirred 2 hours after aqueous ascorbic acid, completion of dropping, obtain chloride dispersion liquid；
（7）Above-mentioned cyanamide SiClx diatomaceous earth is taken, is added in above-mentioned chloride dispersion liquid, stirs, the heat-resisting of 1 parts by weight is added
Stabilizer, rise temperature is 75 DEG C, ammoniacal liquor that 4 parts by weight are added dropwise, that concentration is 10%, insulated and stirred 1 hour after completion of dropping,
Filtering, precipitation is washed, and air drying obtains diatomite cross-linked polrvinyl chloride；
（8）Above-mentioned diatomite cross-linked polrvinyl chloride is taken, mixes, stirs with the polyvinyl chloride of 100 parts by weight, extrusion is sent to
In machine, melting extrusion, cooling produces the mechanical sheath material of the weather resistant.
Described heat-resisting stabilizing agent is zinc stearate.
Performance test：
The mechanical sheath material of the weather resistant of the present invention：
Hardness（Shao A）It is that 27.5-28MPa, elongation at break are that 311.5-320.4%, notch shock are strong for 91-92, tensile strength
Degree（kJ/m2）For 9-11,
After 100 DEG C × 240h hot air agings：Tensile strength rate of change（%）-7.5
Extension at break rate of change（%）-6.1；
Traditional polyvinyl chloride：
Hardness（Shao A）It is that 15-20MPa, elongation at break are 230-270%, notch impact strength for 70-75, tensile strength（kJ/
m2）For 6-7；
After 100 DEG C × 240h hot air agings：Tensile strength rate of change（%）-8.3
Extension at break rate of change（%）-5.0.
Claims (2)
1. the preparation method of the mechanical sheath material of a kind of weather resistant, it is characterised in that comprise the following steps：
（1）The zinc acetylacetonate of 0.6-1 parts by weight is taken, in the absolute ethyl alcohol for being added to 5-10 times of its weight, is stirred, is added
The melamine of 2-3 parts by weight, stirs, and obtains cyanamide alcohol dispersion liquid；
（2）The diatomite of 13-20 parts by weight is taken, is calcined 1-2 hours at 600-700 DEG C, is cooled to normal temperature, wears into fine powder, plus
Enter into above-mentioned cyanamide alcohol dispersion liquid, in the water bath with thermostatic control of 50-60 DEG C of feeding, insulated and stirred 2-3 hours, discharging is distilled off
Ethanol, air drying obtains cyanamide SiClx diatomaceous earth；
（3）The polyvinyl chloride of 30-40 parts by weight is taken, is mixed with the epoxyoleic acid butyl ester of 4-5 parts by weight, is sent to 135-140 DEG C
Oil bath in, insulated and stirred 20-30 minutes, discharging adds compound weight 25-30% thionyl chloride, stirs to normal temperature, obtains
Modified polyvinyl chloride solution；
（4）The dibutyl tin laurate of 0.5-1 parts by weight is taken, in the dimethylformamide for being added to 5-10 times of its weight, is stirred
Mix uniform, add the APP of 2-3 parts by weight, it is ultrasonic 1-2 minutes, obtain acid amides dispersion liquid；
（5）The ascorbic acid of 2-4 parts by weight is taken, in the deionized water for being added to 10-15 times of its weight, is stirred；
（6）Above-mentioned modified polyvinyl chloride solution, the mixing of acid amides dispersion liquid are taken, is stirred, rise temperature is 60-70 DEG C, is added dropwise
Insulated and stirred 2-3 hours after above-mentioned aqueous ascorbic acid, completion of dropping, chloride dispersion liquid is obtained；
（7）Above-mentioned cyanamide SiClx diatomaceous earth is taken, is added in above-mentioned chloride dispersion liquid, stirs, the resistance to of 1-2 parts by weight is added
Heat stabilizer, rise temperature is 75-80 DEG C, ammoniacal liquor that 4-5 parts by weight are added dropwise, that concentration is 10-12%, is incubated after completion of dropping
Precipitation is washed in stirring 1-2 hours, filtering, and air drying obtains diatomite cross-linked polrvinyl chloride；
（8）Above-mentioned diatomite cross-linked polrvinyl chloride is taken, mixes, stirs with the polyvinyl chloride of 100-120 parts by weight, be sent to
In extruder, melting extrusion, cooling produces the mechanical sheath material of the weather resistant.
2. the preparation method of the mechanical sheath material of a kind of weather resistant according to claim 1, it is characterised in that described is resistance to
Heat stabilizer is one kind in zinc stearate, zinc ricinate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710481049.7A CN107236214A (en) | 2017-06-22 | 2017-06-22 | A kind of preparation method of the mechanical sheath material of weather resistant |
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| CN201710481049.7A CN107236214A (en) | 2017-06-22 | 2017-06-22 | A kind of preparation method of the mechanical sheath material of weather resistant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107501809A (en) * | 2017-10-13 | 2017-12-22 | 安徽同利塑胶彩印有限公司 | A kind of heat-resistant polyvinyl chloride plastic material and preparation method thereof |
| CN108456420A (en) * | 2017-10-11 | 2018-08-28 | 东莞产权交易中心 | A kind of conductive film used for solar batteries and preparation method thereof |
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| CN104945789A (en) * | 2015-07-28 | 2015-09-30 | 苏州荣昌复合材料有限公司 | Preparation method of kieselguhr-PVC composite material |
| CN105153574A (en) * | 2015-07-28 | 2015-12-16 | 苏州荣昌复合材料有限公司 | Method for preparing diatomite modified PVC (Polyvinyl Chloride) plastics |
| CN106519396A (en) * | 2016-11-18 | 2017-03-22 | 营口渤海科技有限公司 | Preparation method for modified diatomite/polymer composite material |
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2017
- 2017-06-22 CN CN201710481049.7A patent/CN107236214A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104945789A (en) * | 2015-07-28 | 2015-09-30 | 苏州荣昌复合材料有限公司 | Preparation method of kieselguhr-PVC composite material |
| CN105153574A (en) * | 2015-07-28 | 2015-12-16 | 苏州荣昌复合材料有限公司 | Method for preparing diatomite modified PVC (Polyvinyl Chloride) plastics |
| CN106519396A (en) * | 2016-11-18 | 2017-03-22 | 营口渤海科技有限公司 | Preparation method for modified diatomite/polymer composite material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108456420A (en) * | 2017-10-11 | 2018-08-28 | 东莞产权交易中心 | A kind of conductive film used for solar batteries and preparation method thereof |
| CN107501809A (en) * | 2017-10-13 | 2017-12-22 | 安徽同利塑胶彩印有限公司 | A kind of heat-resistant polyvinyl chloride plastic material and preparation method thereof |
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