CN104130528A - Transparent and environment-friendly PVC modified material and preparation method thereof - Google Patents
Transparent and environment-friendly PVC modified material and preparation method thereof Download PDFInfo
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- CN104130528A CN104130528A CN201410374024.3A CN201410374024A CN104130528A CN 104130528 A CN104130528 A CN 104130528A CN 201410374024 A CN201410374024 A CN 201410374024A CN 104130528 A CN104130528 A CN 104130528A
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Abstract
The invention relates to the technical field of PVC (polyvinyl chloride) modified materials, in particular to a transparent and environment-friendly PVC modified material and a preparation method thereof. The modified material PVC resin comprises the following raw materials by weight: 80-120 parts of PVC resin, 60-100 parts of a plasticizer, 1-3 parts of a heat stabilizer, and 0.5-1.5 parts of a lubricant. The plasticizer is a mixture of dioctyl terephthalate and diisononyl cyclohexane-1, 2-dicarboxylate in a weight ratio of 2-4:1. The heat stabilizer is a mixture composed of (RCOO)2Ba and (RCOO)2Zn in a mole ratio of 1.4-2.2:1, wherein R is alkyl of C8-C24 or alkenyl of C6-C24. The material provided by the invention has high transparency, high light transmittance up to 93-95%, and is environment-friendly. The preparation method involved in the invention has the characteristics of simple process, convenient operation control, stable quality and high production efficiency, and can be used for large scale industrialized production.
Description
Technical field
The present invention relates to the material modified technical field of PVC, be specifically related to a kind of environmentally-friendly transparent PVC material modified and preparation method thereof.
Background technology
Polyvinyl chloride (PVC) is one of industrialization the earliest, broad-spectrum general-purpose thermoplastic plastic, the advantage such as it has, and quality is light, intensity is high, insulation, fire-retardant, corrosion-resistant, high comprehensive performance, cheap and starting material wide material sources; But also there is following shortcoming: 1, poor toughness, very easily embrittlement while being hit, therefore can not be used as structured material, and in addition, the fragility temperature influence of polyvinyl chloride is very large, and general PVC goods are limited to-15 ℃ under using, and are limited to-30 ℃ under the use of flexible PVC; 2, poor heat stability, it just starts to decomposite HCl in the time of 100 ℃, decomposes rapidlyer during higher than 150 ℃, and the melt temperature of PVC is about 210 ℃; 3, the viscosity of PVC is high, and mobility extreme difference has limited its use to a certain extent.People often adopt methods such as adding filler, elastomerics, softening agent, thermo-stabilizer, processing aid, heat-proof modifier and flow ability modifying agent to improve the performance of PVC.
Polyvinyl chloride whole world annual production is only second to poly plastic raw materials, be widely used in the every field in productive life, wherein transparent article is also the important Application Areas of polyvinyl chloride, not only met the requirement of goods mechanics, the aspect of performance such as fire-retardant, and increased the attractive in appearance of goods, but due to the application of other transparent materials, transparent polyvinyl chloride goods shared share on market is less, and therefore studying a kind of environmentally-friendly transparent PVC material has good application prospect.
Summary of the invention
In order to overcome the shortcoming and defect existing in prior art, the object of the present invention is to provide a kind of environmentally-friendly transparent PVC material modified, this material modified transparency is high, environmental protection, and heatproof and weather resistance good, excellent shock resistance, good flame retardation effect, processing characteristics is good, excellent combination property.
Another object of the present invention is to provide the material modified preparation method of a kind of environmentally-friendly transparent PVC, this preparation method's technique is simple, convenient operation and control, and steady quality, production efficiency is high, can large-scale industrial production.
Object of the present invention is achieved through the following technical solutions: a kind of environmentally-friendly transparent PVC is material modified, comprises the raw material of following weight part:
Polyvinyl chloride resin 80-120 part
Softening agent 60-100 part
Thermo-stabilizer 1-3 part
Lubricant 0.5-1.5 part;
Described softening agent is by dioctyl terephthalate and hexanaphthene 1, the mixture that 2-dioctyl phthalate diisononyl esters forms with weight ratio 2-4:1.
Dioctyl terephthalate (DOTP), is close to colourless low-viscosity (mobile) liquid, and molecular formula is C
24h
38o
4, molecular weight is 390.30, density is 0.981-0.986g/mL, is the primary plasticizer of a kind of excellent property of using of PVC plastics.It is compared with at present conventional dimixo-octyl phthalate (DOP), has the advantages such as heat-resisting, cold-resistant, difficult volatilization, anti-extraction, flexibility and electrical insulation capability are good, demonstrates good persistence, resistance to soap water-based and low-temperature pliability in goods.
Hexanaphthene 1,2-dioctyl phthalate diisononyl esters (DINCH) is a kind of non-phthalic ester plasticizer, be a kind of water white transparency, almost removed moisture completely, almost discover the liquid less than smell completely, in Europe, through rigorous toxicity test, the toxicological characteristics of its excellence makes it to become first of the responsive flexible PVC products such as toy, food product pack, medical treatment product and selects.Can be used for producing three years old following toy for children, also can be used for low peculiar smell cable, medical nutrition supply pipe, the indoor wallpaper of environment-friendly type and decorative sheets of material etc. for automobile.
The present invention adopts dioctyl terephthalate and hexanaphthene 1,2-dioctyl phthalate diisononyl esters is as softening agent, two kinds of softening agent are environment-friendly plasticizer, can reduce the reactive force between PVC molecular chain, the fusing point of second-order transition temperature, yield temperature and the contained crystallite of PVC plastics is all reduced, softening agent can improve the plasticity-of resin, makes that goods are soft, resistance to low temperature is good; When two kinds of softening agent are during with the composite use of weight ratio 2-4:1, can improve flexibility and the resistance to low temperature of goods.
Described thermo-stabilizer is by (RCOO)
2ba and (RCOO)
2the mixture that Zn forms with mol ratio 1.4-2.2:1, wherein R is C
8-C
24alkyl or C
6-C
24thiazolinyl.
In traditional calcium zinc soap stablizer, the nonpolar fatty chain of stearic acid part and the PVC of polarity can not be fine compatible, directly affect transparency.The present invention carries out basic change on organic ligand, broken through traditional thinking as the organic ligand of calcium-zinc soap with longer chain fatty acid, design and synthetic new calcium-zinc part with (gathering) ester structure, make novel organic calcium zinc have better consistency than traditional fatty acid calcium-zinc and PVC.
Preferably, also comprise weighting agent 10-15 part, described weighting agent is particle diameter at 2-20nm and the talcum powder processed through silane coupling agent.
Environmentally-friendly transparent PVC of the present invention is material modified by adding the weighting agent of 10-15 part, can make translucent environment-friendly PVC material modified; The particle diameter of weighting agent is less, more useful to the tensile strength of packing material and shock strength, and the present invention, by selecting talcum powder as weighting agent and controlling its particle diameter at 2-20nm, can improve the intensity of material; The consistency that weighting agent and resin are good is its effect of performance and the key of controlling addition, and the present invention adopts the talcum powder of processing through silane coupling agent, can improve the consistency of talcum powder and polyvinyl chloride resin, thereby improves the intensity of material.
Preferably, also comprise impact modifier 5-15 part, described impact modifier is MBS terpolymer, wherein, the content of methyl methacrylate units is 40-60%, and the content of butadiene unit is 20-30%, and the content of styrene units is 20-30%.
Because the solubility parameters of MBS terpolymer (MBS) is close with poly-polyvinyl chloride resin, both thermodynamic compatibilities are good, after blend, PVC material has very high resistance to impact shock, the refractive index of MBS and PVC is respectively 1.528-1.540 and 1.534-1.538 in addition, therefore after both melt blendings, can reach the refractive index of homogeneous, and the visible light wavelength of the particle diameter ratio of impact modifier MBS particle is little, thereby the impact modifier using MBS as polyvinyl chloride can not affect the transparency of polyvinyl chloride.
The present invention is by selecting MBS terpolymer as impact modifier, on the not impact of the transparency of PVC material, and the content that passes through to control methyl methacrylate units is at 40-60%, the content of butadiene unit is at 20-30%, the content of styrene units is at 20-30%, the resistance to impact shock that can improve material improves, and can also improve winter hardiness and the processing fluidity of material simultaneously.
Preferably, also comprise whitening agent 0.01-0.05 part, described whitening agent is white dyes.The present invention adopts whitening agent to increase transparency.
Preferably, also comprise the yellow agent 0.01-0.02 part that disappears, described in the yellow agent that disappears be ultramarine toner.The present invention adopts the ultramarine powder Huang that disappears.
Preferably, the mixture that described thermo-stabilizer is comprised of with mol ratio 1.4-1.8:1 barium stearate and Zinic stearas.
The barium zinc heat stabilizer being comprised of barium stearate and Zinic stearas is nontoxic, transparent thermo-stabilizer, the HCl that can produce by catching PVC thermolysis, prevent the catalyzed degradation effect of HCl, realize the thermally-stabilised of material, the present invention is by selecting barium stearate and Zinic stearas as thermo-stabilizer and to control its mol ratio be 1.4-1.8:1, thermostable effect is good, and have oilness concurrently, make material in the course of processing, have good dispersiveness, consistency and processing fluidity, make material good heat stability, there is efficient weathering resistance.
The present invention another preferably embodiment be: the mixture that described thermo-stabilizer is comprised of with mol ratio 1.6-2.0:1 barium laurate and zinc laurate.
The barium zinc heat stabilizer being comprised of barium laurate and zinc laurate is nontoxic, transparent thermo-stabilizer, the HCl that can produce by catching PVC thermolysis, prevent the catalyzed degradation effect of HCl, thereby realize the thermally-stabilised of material, the present invention is by selecting barium laurate and zinc laurate as thermo-stabilizer and to control its mol ratio be 1.6-2.0:1, thermostable effect is good, and have oilness concurrently, make material in the course of processing, have good dispersiveness, consistency and processing fluidity, make material good heat stability, there is efficient weathering resistance.
The present invention another preferably embodiment be: the mixture that described thermo-stabilizer is comprised of with mol ratio 1.8-2.2:1 ricinolic acid barium and zinc ricinate.
The barium zinc heat stabilizer being comprised of ricinolic acid barium and zinc ricinate is nontoxic, transparent thermo-stabilizer, the HCl that can produce by catching PVC thermolysis, prevent the catalyzed degradation effect of HCl, thereby realize the thermally-stabilised of material, the present invention is by selecting ricinolic acid barium and zinc ricinate as thermo-stabilizer and to control its mol ratio be 1.8-2.2:1, thermostable effect is good, and have oilness concurrently, make material in the course of processing, have good dispersiveness, consistency and processing fluidity, make material good heat stability, there is efficient weathering resistance.
Preferably, described polyvinyl chloride resin is that the polymerization degree is at the polyvinyl chloride resin of 1000-1200.
The physical and mechanical properties of the molecular weight of polyvinyl chloride resin (polymerization degree) and goods is relevant, and molecular weight is higher, and the tensile strength of goods, shock strength, Young's modulus are higher; The present invention, can be so that goods have higher intensity by the polymerization degree of polyvinyl chloride resin is controlled to 1000-1200.
Preferably, the mixture that described lubricant is comprised of with weight ratio 1.2-1.8:1 whiteruss and stearic acid.
The present invention adopts whiteruss as external lubricant, can reduce the friction of PVC melt and mould, machine barrel; Adopt stearic acid as internal lubricant, can reduce the intermolecular friction of PVC melt; Two kinds of lubricants mix to use with weight ratio 1.2-1.8:1 can make material in the course of processing, improve the mobility of material and the release property of goods.
Another object of the present invention is achieved through the following technical solutions: the material modified preparation method of a kind of environmentally-friendly transparent PVC, comprises the steps:
(1) by the weight part of constitutive material, take above-mentioned raw materials, mix;
(2) mixed raw material is put into high speed blender, at 100-140 ℃ of temperature, stir 15-25min;
(3) raw material after stirring is passed through to twin screw extruder extruding pelletization, make environmentally-friendly transparent PVC material modified.
Preferably, the extruder temperature of described twin screw extruder is: a district temperature 138-160 ℃, two district temperature 135-160 ℃, three district temperature 135-155 ℃, four district temperature 132-150 ℃He five district temperature 130-148 ℃.
Beneficial effect of the present invention is: the present invention adopts dioctyl terephthalate and hexanaphthene 1,2-dioctyl phthalate diisononyl esters is as softening agent, two kinds of softening agent are environment-friendly plasticizer, can reduce the reactive force between PVC molecular chain, the fusing point of second-order transition temperature, yield temperature and the contained crystallite of PVC plastics is all reduced, softening agent can improve the plasticity-of resin, makes that goods are soft, resistance to low temperature is good; When two kinds of softening agent are during with the composite use of weight ratio 2-4:1, can improve flexibility and the resistance to low temperature of goods.
The present invention carries out basic change on organic ligand, broken through traditional thinking as the organic ligand of calcium-zinc soap with longer chain fatty acid, design and synthetic new calcium-zinc part with (gathering) ester structure, make novel organic calcium zinc have better consistency than traditional fatty acid calcium-zinc and PVC.
The present invention is by selecting MBS terpolymer as impact modifier, on the not impact of the transparency of PVC material, and the content that passes through to control methyl methacrylate units is at 40-60%, the content of butadiene unit is at 20-30%, the content of styrene units is at 20-30%, the resistance to impact shock that can improve material improves, and can also improve winter hardiness and the processing fluidity of material simultaneously.
The present invention is by selecting barium stearate and Zinic stearas as thermo-stabilizer and to control its mol ratio be 1.4-1.8:1, thermostable effect is good, and have oilness concurrently, make material in the course of processing, have good dispersiveness, consistency and processing fluidity, make material good heat stability, there is efficient weathering resistance.
The present invention, can be so that goods have higher intensity by the polymerization degree of polyvinyl chloride resin is controlled to 1000-1200.
The present invention adopts whiteruss as external lubricant, can reduce the friction of PVC melt and mould, machine barrel; Adopt stearic acid as internal lubricant, can reduce the intermolecular friction of PVC melt; Two kinds of lubricants mix to use with weight ratio 1.2-1.8:1 can make material in the course of processing, improve the mobility of material and the release property of goods.
The material modified properties of environmentally-friendly transparent PVC that the present invention makes has all exceeded national standard, and transparency is high, environmental protection, and resistance to elevated temperatures is good, and intensity is high, good flame retardation effect, compression performance and toughness are strong, and processing characteristics is good, excellent combination property.Product of the present invention meets the international standards such as REACH, ROHS, PAHS, N-P, can be widely used in the industrial circles such as automobile, electronic apparatus, instrument, weaving and building.
Preparation method's technique of the present invention is simple, convenient operation and control, and steady quality, production efficiency is high, can large-scale industrial production.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment 1
A kind of environmentally-friendly transparent PVC is material modified, comprises the raw material of following weight part:
80 parts of polyvinyl chloride resins
60 parts, softening agent
1 part of thermo-stabilizer
0.5 part of lubricant
10 parts of weighting agents
5 parts of impact modifiers
0.01 part, whitening agent
0.01 part of yellow agent disappears
Described softening agent is by dioctyl terephthalate and hexanaphthene 1, the mixture that 2-dioctyl phthalate diisononyl esters forms with weight ratio 2:1; The mixture that described thermo-stabilizer is comprised of with mol ratio 1.4:1 barium stearate and Zinic stearas; Described weighting agent is particle diameter at 2nm and the talcum powder processed through silane coupling agent; Described impact modifier is MBS terpolymer, and wherein, the content of methyl methacrylate units is 40%, and the content of butadiene unit is 20%, and the content of styrene units is 20%; Described whitening agent is white dyes; The described yellow agent that disappears is ultramarine toner; Described polyvinyl chloride resin is the polymerization degree at 1000 polyvinyl chloride resin; The mixture that described lubricant is comprised of with weight ratio 1.2:1 whiteruss and stearic acid.
The preparation method that environmentally-friendly transparent PVC is material modified, comprises the steps:
(1) by the weight part of constitutive material, take above-mentioned raw materials, mix;
(2) mixed raw material is put into high speed blender, at 100 ℃ of temperature, stir 15min;
(3) raw material after stirring is passed through to twin screw extruder extruding pelletization, make environmentally-friendly transparent PVC material modified; The extruder temperature of described twin screw extruder is: 138 ℃ of district's temperature, 135 ℃ of two district's temperature, 135 ℃ of three district's temperature, 130 ℃ of four district's temperature 132 ℃He five district's temperature.
Embodiment 2
A kind of environmentally-friendly transparent PVC is material modified, comprises the raw material of following weight part:
90 parts of polyvinyl chloride resins
70 parts, softening agent
1.5 parts of thermo-stabilizers
0.8 part of lubricant
11 parts of weighting agents
8 parts of impact modifiers
0.02 part, whitening agent
0.02 part of yellow agent disappears
Described softening agent is by dioctyl terephthalate and hexanaphthene 1, the mixture that 2-dioctyl phthalate diisononyl esters forms with weight ratio 2.5:1; The mixture that described thermo-stabilizer is comprised of with mol ratio 1.6:1 barium stearate and Zinic stearas; Described weighting agent is particle diameter at 8nm and the talcum powder processed through silane coupling agent; Described impact modifier is MBS terpolymer, and wherein, the content of methyl methacrylate units is 45%, and the content of butadiene unit is 27.5%, and the content of styrene units is 27.5%; Described whitening agent is white dyes; The described yellow agent that disappears is ultramarine toner; Described polyvinyl chloride resin is the polymerization degree at 1050 polyvinyl chloride resin; The mixture that described lubricant is comprised of with weight ratio 1.3:1 whiteruss and stearic acid.
The preparation method that environmentally-friendly transparent PVC is material modified, comprises the steps:
(1) by the weight part of constitutive material, take above-mentioned raw materials, mix;
(2) mixed raw material is put into high speed blender, at 110 ℃ of temperature, stir 18min;
(3) raw material after stirring is passed through to twin screw extruder extruding pelletization, make environmentally-friendly transparent PVC material modified; The extruder temperature of described twin screw extruder is: 144 ℃ of district's temperature, 141 ℃ of two district's temperature, 140 ℃ of three district's temperature, 135 ℃ of four district's temperature 136 ℃He five district's temperature.
Embodiment 3
A kind of environmentally-friendly transparent PVC is material modified, comprises the raw material of following weight part:
100 parts of polyvinyl chloride resins
80 parts, softening agent
2 parts of thermo-stabilizers
1 part of lubricant
12.5 parts of weighting agents
10 parts of impact modifiers
0.03 part, whitening agent
0.01 part of yellow agent disappears
Described softening agent is by dioctyl terephthalate and hexanaphthene 1, the mixture that 2-dioctyl phthalate diisononyl esters forms with weight ratio 3:1; The mixture that described thermo-stabilizer is comprised of with mol ratio 1.7:1 barium stearate and Zinic stearas; Described weighting agent is particle diameter at 10nm and the talcum powder processed through silane coupling agent; Described impact modifier is MBS terpolymer, and wherein, the content of methyl methacrylate units is 50%, and the content of butadiene unit is 25%, and the content of styrene units is 25%; Described whitening agent is white dyes; The described yellow agent that disappears is ultramarine toner; Described polyvinyl chloride resin is the polymerization degree at 1100 polyvinyl chloride resin; The mixture that described lubricant is comprised of with weight ratio 1.5:1 whiteruss and stearic acid.
The preparation method that environmentally-friendly transparent PVC is material modified, comprises the steps:
(1) by the weight part of constitutive material, take above-mentioned raw materials, mix;
(2) mixed raw material is put into high speed blender, at 120 ℃ of temperature, stir 20min;
(3) raw material after stirring is passed through to twin screw extruder extruding pelletization, make environmentally-friendly transparent PVC material modified; The extruder temperature of described twin screw extruder is: 149 ℃ of district's temperature, 147 ℃ of two district's temperature, 145 ℃ of three district's temperature, 139 ℃ of four district's temperature 141 ℃He five district's temperature.
Embodiment 4
A kind of environmentally-friendly transparent PVC is material modified, comprises the raw material of following weight part:
110 parts of polyvinyl chloride resins
90 parts, softening agent
2.5 parts of thermo-stabilizers
1.2 parts of lubricants
13 parts of weighting agents
12 parts of impact modifiers
0.04 part, whitening agent
0.02 part of yellow agent disappears
Described softening agent is by dioctyl terephthalate and hexanaphthene 1, the mixture that 2-dioctyl phthalate diisononyl esters forms with weight ratio 3.5:1; The mixture that described thermo-stabilizer is comprised of with mol ratio 1.8:1 barium laurate and zinc laurate; Described weighting agent is particle diameter at 15nm and the talcum powder processed through silane coupling agent; Described impact modifier is MBS terpolymer, and wherein, the content of methyl methacrylate units is 55%, and the content of butadiene unit is 22.5%, and the content of styrene units is 22.5%; Described whitening agent is white dyes; The described yellow agent that disappears is ultramarine toner; Described polyvinyl chloride resin is the polymerization degree at 1150 polyvinyl chloride resin; The mixture that described lubricant is comprised of with weight ratio 1.7:1 whiteruss and stearic acid.
The preparation method that environmentally-friendly transparent PVC is material modified, comprises the steps:
(1) by the weight part of constitutive material, take above-mentioned raw materials, mix;
(2) mixed raw material is put into high speed blender, at 130 ℃ of temperature, stir 22min;
(3) raw material after stirring is passed through to twin screw extruder extruding pelletization, make environmentally-friendly transparent PVC material modified; The extruder temperature of described twin screw extruder is: 155 ℃ of district's temperature, 153 ℃ of two district's temperature, 150 ℃ of three district's temperature, 144 ℃ of four district's temperature 145 ℃He five district's temperature.
Embodiment 5
A kind of environmentally-friendly transparent PVC is material modified, comprises the raw material of following weight part:
120 parts of polyvinyl chloride resins
100 parts, softening agent
3 parts of thermo-stabilizers
1.5 parts of lubricants
15 parts of weighting agents
15 parts of impact modifiers
0.05 part, whitening agent
0.01 part of yellow agent disappears
Described softening agent is by dioctyl terephthalate and hexanaphthene 1, the mixture that 2-dioctyl phthalate diisononyl esters forms with weight ratio 4:1; The mixture that described thermo-stabilizer is comprised of with mol ratio 2.0:1 ricinolic acid barium and zinc ricinate; Described weighting agent is particle diameter at 20nm and the talcum powder processed through silane coupling agent; Described impact modifier is MBS terpolymer, and wherein, the content of methyl methacrylate units is 60%, and the content of butadiene unit is 20%, and the content of styrene units is 20%; Described whitening agent is white dyes; The described yellow agent that disappears is ultramarine toner; Described polyvinyl chloride resin is the polymerization degree at 1200 polyvinyl chloride resin; The mixture that described lubricant is comprised of with weight ratio 1.8:1 whiteruss and stearic acid.
The preparation method that environmentally-friendly transparent PVC is material modified, comprises the steps:
(1) by the weight part of constitutive material, take above-mentioned raw materials, mix;
(2) mixed raw material is put into high speed blender, at 140 ℃ of temperature, stir 25min;
(3) raw material after stirring is passed through to twin screw extruder extruding pelletization, make environmentally-friendly transparent PVC material modified; The extruder temperature of described twin screw extruder is: 160 ℃ of district's temperature, 160 ℃ of two district's temperature, 155 ℃ of three district's temperature, 148 ℃ of four district's temperature 150 ℃He five district's temperature.
The material modified mechanical and physical performance of environmentally-friendly transparent PVC that embodiments of the invention 1-5 makes is as shown in table 1.
Table 1
| Test event | Standard value | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Transmittance | ≥80 | 93 | 94 | 95 | 93 | 94 |
| Tensile strength (MPa) | ≥15.0 | 22.7 | 24.8 | 26.1 | 26.5 | 23.6 |
| Flexural strength (MPa) | ≥15.0 | 47.3 | 49.2 | 52.1 | 54.9 | 45.7 |
| Elongation at break (%) | ≥150 | 296 | 301 | 308 | 319 | 298 |
| Heat-drawn wire (℃) | ≥50.0 | 118.6 | 121.5 | 123.7 | 125.3 | 119.4 |
| Impact embrittlement temperature (℃) | ≤-20 | -25 | -25 | -30 | -30 | -25 |
| Heat-stable time in the time of 200 ℃ (min) | ≥60 | 100 | 120 | 130 | 130 | 110 |
| Hardness/Shore D | ≥50 | 80 | 83 | 85 | 86 | 81 |
| Fire-retardant | V0 | V0 | V0 | V0 | V0 | V0 |
As can be seen from Table 1, the material modified properties of environmentally-friendly transparent PVC that the present invention makes has all exceeded national standard, transparency is high, and transmittance is up to 93-95%, environmental protection, and resistance to elevated temperatures is good, intensity is high, good flame retardation effect, and compression performance and toughness are strong, processing characteristics is good, excellent combination property.Product of the present invention meets the international standards such as REACH, ROHS, PAHS, N-P, can be widely used in the industrial circles such as automobile, electronic apparatus, instrument, weaving and building.
Above-described embodiment is preferably implementation of the present invention, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.
Claims (10)
1. an environmentally-friendly transparent PVC is material modified, it is characterized in that: the raw material that comprises following weight part:
Polyvinyl chloride resin 80-120 part
Softening agent 60-100 part
Thermo-stabilizer 1-3 part
Lubricant 0.5-1.5 part;
Described softening agent is by dioctyl terephthalate and hexanaphthene 1, the mixture that 2-dioctyl phthalate diisononyl esters forms with weight ratio 2-4:1;
Described thermo-stabilizer is by (RCOO)
2ba and (RCOO)
2the mixture that Zn forms with mol ratio 1.4-2.2:1, wherein R is C
8-C
24alkyl or C
6-C
24thiazolinyl.
2. a kind of environmentally-friendly transparent PVC according to claim 1 is material modified, it is characterized in that: also comprise weighting agent 10-15 part, described weighting agent is particle diameter at 2-20nm and the talcum powder processed through silane coupling agent.
3. a kind of environmentally-friendly transparent PVC according to claim 1 is material modified, it is characterized in that: also comprise impact modifier 5-15 part, described impact modifier is MBS terpolymer, wherein, the content of methyl methacrylate units is 40-60%, the content of butadiene unit is 20-30%, and the content of styrene units is 20-30%.
4. a kind of environmentally-friendly transparent PVC according to claim 1 is material modified, it is characterized in that: also comprise whitening agent 0.01-0.05 part, described whitening agent is white dyes.
5. a kind of environmentally-friendly transparent PVC according to claim 1 is material modified, it is characterized in that: also comprise the yellow agent 0.01-0.02 part that disappears, described in the yellow agent that disappears be ultramarine toner.
6. a kind of environmentally-friendly transparent PVC according to claim 1 is material modified, it is characterized in that: the mixture that described thermo-stabilizer is comprised of with mol ratio 1.4-1.8:1 barium stearate and Zinic stearas; Or, the mixture that described thermo-stabilizer is comprised of with mol ratio 1.6-2.0:1 barium laurate and zinc laurate; Or, the mixture that described thermo-stabilizer is comprised of with mol ratio 1.8-2.2:1 ricinolic acid barium and zinc ricinate.
7. a kind of environmentally-friendly transparent PVC according to claim 1 is material modified, it is characterized in that: described polyvinyl chloride resin is that the polymerization degree is at the polyvinyl chloride resin of 1000-1200.
8. a kind of environmentally-friendly transparent PVC according to claim 1 is material modified, it is characterized in that: the mixture that described lubricant is comprised of with weight ratio 1.2-1.8:1 whiteruss and stearic acid.
9. the material modified preparation method of a kind of environmentally-friendly transparent PVC as described in claim 1-8 any one, is characterized in that: comprise the steps:
(1) by the weight part of constitutive material, take above-mentioned raw materials, mix;
(2) mixed raw material is put into high speed blender, at 100-140 ℃ of temperature, stir 15-25min;
(3) raw material after stirring is passed through to twin screw extruder extruding pelletization, make environmentally-friendly transparent PVC material modified.
10. the material modified preparation method of a kind of environmentally-friendly transparent PVC according to claim 9, is characterized in that: the extruder temperature of described twin screw extruder is: a district temperature 138-160 ℃, two district temperature 135-160 ℃, three district temperature 135-155 ℃, four district temperature 132-150 ℃He five district temperature 130-148 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374024.3A CN104130528B (en) | 2014-07-31 | 2014-07-31 | A kind of environmentally-friendly transparent PVC is material modified and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374024.3A CN104130528B (en) | 2014-07-31 | 2014-07-31 | A kind of environmentally-friendly transparent PVC is material modified and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN104130528A true CN104130528A (en) | 2014-11-05 |
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| CN104592691A (en) * | 2015-02-28 | 2015-05-06 | 广东源盛生态环保科技有限公司 | Plastic geotechnical cloth and preparation method thereof |
| CN104647842A (en) * | 2015-02-28 | 2015-05-27 | 广东源盛生态环保科技有限公司 | Composite geotechnical cloth and preparation method thereof |
| CN105482285A (en) * | 2014-09-15 | 2016-04-13 | 江苏锐升新材料有限公司 | PVC floor |
| CN105820478A (en) * | 2016-05-23 | 2016-08-03 | 张进 | High-transmittance PVC product |
| CN105837975A (en) * | 2016-04-22 | 2016-08-10 | 刘志宏 | PVC (polyvinyl chloride) light-transmitting material |
| CN107254123A (en) * | 2017-07-31 | 2017-10-17 | 广东祺龙科技有限公司 | A kind of semi-transparent LED is material modified and preparation method thereof with PVC |
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| CN112625395A (en) * | 2020-11-09 | 2021-04-09 | 珠海格力绿色再生资源有限公司 | Antibacterial and mildew-proof transparent ABS master batch and preparation method thereof |
| CN112759855A (en) * | 2020-12-03 | 2021-05-07 | 广东祺龙科技有限公司 | Medical transparent goggles material and preparation method and application thereof |
| CN114940793A (en) * | 2022-05-05 | 2022-08-26 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | PVC anti-scratch transparent film |
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| CN105482285A (en) * | 2014-09-15 | 2016-04-13 | 江苏锐升新材料有限公司 | PVC floor |
| CN104592691A (en) * | 2015-02-28 | 2015-05-06 | 广东源盛生态环保科技有限公司 | Plastic geotechnical cloth and preparation method thereof |
| CN104647842A (en) * | 2015-02-28 | 2015-05-27 | 广东源盛生态环保科技有限公司 | Composite geotechnical cloth and preparation method thereof |
| CN105837975A (en) * | 2016-04-22 | 2016-08-10 | 刘志宏 | PVC (polyvinyl chloride) light-transmitting material |
| CN105820478A (en) * | 2016-05-23 | 2016-08-03 | 张进 | High-transmittance PVC product |
| CN108699286A (en) * | 2016-09-07 | 2018-10-23 | 株式会社Lg化学 | Plasticizer composition and resin combination comprising the plasticizer composition |
| CN108699286B (en) * | 2016-09-07 | 2020-06-02 | 株式会社Lg化学 | Plasticizer composition and resin composition comprising the same |
| CN107254123A (en) * | 2017-07-31 | 2017-10-17 | 广东祺龙科技有限公司 | A kind of semi-transparent LED is material modified and preparation method thereof with PVC |
| CN112625395A (en) * | 2020-11-09 | 2021-04-09 | 珠海格力绿色再生资源有限公司 | Antibacterial and mildew-proof transparent ABS master batch and preparation method thereof |
| CN112759855A (en) * | 2020-12-03 | 2021-05-07 | 广东祺龙科技有限公司 | Medical transparent goggles material and preparation method and application thereof |
| CN114940793A (en) * | 2022-05-05 | 2022-08-26 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | PVC anti-scratch transparent film |
| CN114940793B (en) * | 2022-05-05 | 2024-01-12 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | PVC scratch-resistant transparent film |
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