CN1123597C - Fire-retardant and smoke-inhibiting type polyvinyl-chloride/calcium carbonate composite material and its prepn. method - Google Patents
Fire-retardant and smoke-inhibiting type polyvinyl-chloride/calcium carbonate composite material and its prepn. method Download PDFInfo
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Abstract
The present invention provides a fire retardant smoke inhibition type polyvinyl chloride/calcium carbonate composite material and a preparation method thereof. The polyvinyl chloride composite material contains calcium carbonate, and the auxiliary agents of a smoke inhibition synergist, a stabilizer, etc., wherein the average particle size of the calcium carbonate is from 1 to 50 m um, and the use amount of the calcium carbonate is 10 to 70 parts by weight in 100 parts by weight of polyvinyl chloride; the smoke inhibition synergist is at least one kind of following substances of zinc borate, antimony trioxide and aluminum hydroxide, and the use amount of the smoke inhibition synergist is from 2 to 20 parts by weight. A polyvinyl chloride composition of the present invention has the advantages of favorable smoke inhibition and mechanical properties, low cost and wide application. The composite material is particularly suitable for materials of building materials, indoor decorative materials, electric wire and cable jackets, etc.
Description
The present invention relates to a kind of flame retardant type polyvinyl chloride composite materials, say further, the present invention relates to the preparation method of a kind of fire-retardant and smoke-inhibiting type polyvinyl-chloride matrix material and this kind polyvinyl chloride composite materials.
Polyvinyl chloride is that a kind of consumption is big, purposes thermoplastics very widely.Because polyvinyl chloride (PVC) RESINS itself has certain flame resistivity, is a kind of general resin material so need material that the industry polyvinyl chloride of flame retardant resistance is arranged at building, electric power, electrical equipment etc.Especially calcium carbonate-filled polyvinyl-chloride plate material is widely used on building materials and the house decorative material very much.But polyvinyl chloride can discharge obnoxious flavour when burning, this is a principal element that makes the people fatal in the fire.
At present, the research for the pvc material of smoke-inhibiting type mainly is at soft PVC.The oxide compound, oxyhydroxide or its esters that typically use metal carry out modification to soft PVC, and these metals are generally metals such as bismuth, molybdenum.As European patent EP 91706, EP90451 all is with bismuth hydroxide or bismuth salt modified polyvinyl chloride.This metal smoke inhibition modifying agent costs an arm and a leg, and cost is very high.Because the cigarette that presses down of soft PVC is primarily aimed at the toxic gas that its a large amount of softening agent of filling produce when burning, the cigarette modification that presses down of rigid polyvinyl chloride then is that it presses down the method for cigarette modification and is not suitable for rigid polyvinyl chloride at this toxic gas such as hydrogenchloride that produce when the thermal destruction of polyvinyl chloride.So the cigarette modification that presses down of rigid polyvinyl chloride also is an important research project, but have not yet to see the report that relevant rigid polyvinyl chloride presses down the cigarette modification, and the now employed a large amount of high filling of lime carbonate herd polyvinyl chloride material does not press down the modification of cigarette aspect yet
The polyvinyl chloride composite materials that the purpose of this invention is to provide a kind of fire-retardant and smoke-inhibiting type, its amount of being fuming is low and with low cost.
Another object of the present invention provides the preparation method of this kind fire-retardant and smoke-inhibiting type polyvinyl-chloride matrix material.
Below the present invention is described in further detail.
The inventor confirms to have certain smoke-suppressing under the situation of lime carbonate at high filling polyvinyl chloride when carrying out the research of polyvinyl chloride smoke-suppressing.As 10 parts of calcium carbonate-filled polyvinyl chloride, its amount of being fuming is 92.9mg/g, and the amount of being fuming drops to 78.4mg/g when lime carbonate is increased to 58 parts.The inventor thinks that this is because lime carbonate is decomposed into calcium oxide and carbonic acid gas under high temperature sintering, but the catalysis under incendiary high temperature of a large amount of calcium oxide presses down the effect of cigarette.Simultaneously the inventor by evidence in the matrix material of the high filling polyvinyl chloride of lime carbonate oxide compound, oxyhydroxide or its esters of some metals of adding such as zinc borate, antimonous oxide, aluminium hydroxide etc., these materials can cooperate calcium oxide to play and well press down the cigarette synergy, and the amount of being fuming of matrix material is reduced greatly.Based on this cigarette mechanism of modification that presses down, the inventor has developed the high calcium carbonate filled polyvinyl chloride composite materials of fire-retardant and smoke-inhibiting type.
Flame-proof smoke-restraining polyvinyl chloride matrix material of the present invention consists predominantly of polyvinyl chloride, lime carbonate, presses down cigarette synergist, stablizer etc.
Polyvinyl chloride is preferably rigid polyvinyl chloride in this polyvinyl chloride composite materials.
Lime carbonate can comprise light calcium carbonate or water-ground limestone in the polyvinyl chloride composite materials of the present invention, is preferably light calcium carbonate.The median size of lime carbonate too conference influences the mechanical property of composition, then is difficult for disperseing influence processing too for a short time.So the median size of used lime carbonate is preferably 1～50 μ m.The consumption of lime carbonate in composition is 100 parts with the parts by weight of polyvinyl chloride and counts 10～70 parts, be preferably 50～70 parts.
Lime carbonate in the polyvinyl chloride composite materials of the present invention preferably passes through the tensio-active agent pre-treatment, improves its surfactivity, to improve the consistency of lime carbonate and polyvinyl chloride (PVC) RESINS, better improves the performance of composition.Tensio-active agent comprises that containing 8 carbon atoms above lipid acid, titanium is that coupling agent or silicon are coupling agent, is preferably lipid acid.With fatty acid treatment lime carbonate the time, its consumption is 1～10% of a weight of calcium carbonate, is preferably 2.5～5%.Comprise stearic acid, lauric acid etc. at this lipid acid, be preferably stearic acid; When using titanium to be coupling agent treatment lime carbonate, titanium is the coupling agent mixed type titanic acid ester that comprises phosphatic type titanic acid ester, lipid acid titanic acid ester or phosphoric acid and lipid acid etc.Its consumption is 0.4%～1.5% of a weight of calcium carbonate, is preferably 0.8～1.0%.When using silicon to be coupling agent treatment lime carbonate, silicon is that coupling agent can be selected from γ-An Bingjisanyiyangjiguiwan, N-β-aminoethyl-γ-aminopropyl trimethyl silane or N, N '-two (β-aminoethyl)-γ-aminopropyl trimethyl silane etc.At this silicon is that the consumption of coupling agent is 0.1～1.0% of a weight of calcium carbonate, is preferably 0.2～0.5%.
Press down the cigarette synergist in the matrix material of the present invention and comprise at least a of following three kinds of materials: zinc borate, antimonous oxide and aluminium hydroxide are 100 parts in the polyvinyl chloride parts by weight, and the total consumption that presses down the cigarette synergist is 2～20 parts.Weight ratio scope when zinc borate, antimonous oxide and aluminium hydroxide three mix is (2～7): (2～7): (5～15) are preferably 4: 4: 9.Adding presses down cigarette synergist after-fume amount and can further be reduced.
Stablizer comprises lead salts stablizer or rare earth class stablizer in the matrix material of the present invention.The lead salts stablizer is the compound system of the general disalt of polyvinyl chloride (PVC) RESINS, three salt stabilizing agents.Use rare earth class stablizer stabilising effect better in the polyvinyl chloride composite materials of the present invention.The rare earth class stablizer is the mixture of the organic acid slightly acidic salt of rare earth element, as fatty acid rare earth, mainly comprises rare-earth stearate.Rare earth element is mainly the following rare earth element of three races's group of the lanthanides, based on lanthanum La element and be aided with the light rare earths of minute quantity such as cerium Ce, praseodymium Pi, ammonium Nd, dysprosium Eu etc.The consumption of rare earth class thermo-stabilizer is 100 parts with the parts by weight of polyvinyl chloride and counts 1～10 part, is preferably 3～5 parts.
In addition, in this matrix material, also can include the processing aid commonly used of polyvinyl chloride, as softening agent, internal lubricant, external lubricant, shaping assistant, toughner, fire retardant and filler etc.
Flame-proof smoke-restraining polyvinyl chloride matrix material of the present invention prepares by the following method:
With polyvinyl chloride, lime carbonate, press down cigarette synergist and stablizer and other auxiliary agent melt blending and make flame-proof smoke-restraining polyvinyl chloride.Blending temperature is 170～200 ℃.
The employed blending equipment of present method is a rubber and plastic processing blending equipment commonly used, as twin screw extruder, single screw extrusion machine, mill, Banbury mixer etc.
Polyvinyl chloride is preferably rigid polyvinyl chloride in present method.
Used lime carbonate can comprise light calcium carbonate or water-ground limestone in the method for the present invention, is preferably light calcium carbonate.The median size of lime carbonate too conference influences the mechanical property of composition, and too little then being difficult for disperseed influence processing, so be generally 1～50 μ m.The consumption of lime carbonate is 100 parts with the parts by weight of polyvinyl chloride and counts 10～70 parts, is preferably 50～70 parts.
In order to improve the consistency of lime carbonate and polyvinyl chloride (PVC) RESINS, better improve the performance of composition, lime carbonate can pre-treatment improve surfactivity.Tensio-active agent comprises that containing 8 carbon atoms above lipid acid, titanium is that coupling agent or silicon are coupling agent, is preferably lipid acid.With fatty acid treatment lime carbonate the time, its consumption is 1～10% of a weight of calcium carbonate, is preferably 2.5～5%.Comprise stearic acid, lauric acid etc. at this lipid acid, be preferably stearic acid; When using titanium to be coupling agent treatment lime carbonate, titanium is the coupling agent mixed type titanic acid ester that comprises phosphatic type titanic acid ester, lipid acid titanic acid ester or phosphoric acid and lipid acid etc.Its consumption is 0.4%～1.5% of a weight of calcium carbonate, is preferably 0.8～1.0%.When using silicon to be coupling agent treatment lime carbonate, silicon is that coupling agent can be selected from γ-An Bingjisanyiyangjiguiwan, N-β-aminoethyl-γ-aminopropyl trimethyl silane or N, N '-two (β-aminoethyl)-γ-aminopropyl trimethyl silane etc.At this silicon is that the consumption of coupling agent is 0.1～1.0% of a weight of calcium carbonate, is preferably 0.2～0.5%.When lime carbonate is carried out pre-treatment, can be with lime carbonate and tensio-active agent uniform mixing in general mixing equipment, carry out surface treatment.Can suitably heat in treating processes, be that coupling agent also can add less water and ethanol so that its dilution is convenient to mix for titanium system or silicon.
The cigarette synergist that presses down that adds in the matrix material of the present invention comprises at least a of following three kinds of materials: zinc borate, antimonous oxide and aluminium hydroxide are 100 parts in the polyvinyl chloride parts by weight, and the total consumption that presses down the cigarette synergist is 2～20 parts.Weight ratio scope when zinc borate, antimonous oxide and aluminium hydroxide three mix is (2～7): (2～7): (5～15) are preferably 4: 4: 9.Adding presses down cigarette synergist after-fume amount and can further be reduced.
Stablizer comprises lead salts stablizer or rare earth class stablizer in the composite material and preparation method thereof of the present invention.The lead salts stablizer is the compound system of the general disalt of polyvinyl chloride (PVC) RESINS, three salt stabilizing agents.Use rare earth class stablizer stabilising effect better in the polyvinyl chloride composite materials of the present invention.The rare earth class stablizer is the mixture of the organic acid slightly acidic salt of rare earth element, as fatty acid rare earth, mainly comprises rare-earth stearate.Rare earth element is mainly the following rare earth element of three races's group of the lanthanides, based on lanthanum La element and be aided with the light rare earths of minute quantity such as cerium Ce, praseodymium Pi, ammonium Nd, dysprosium Eu etc.The consumption of rare earth class thermo-stabilizer is 100 parts with the parts by weight of polyvinyl chloride and counts 1～10 part, is preferably 3～5 parts.
In addition, in said composition, also can add the processing aid commonly used of polyvinyl chloride, as softening agent, internal lubricant, external lubricant, shaping assistant, toughner, fire retardant and filler etc.
Flame-retardant smoke inhibition provided by the present invention gathers low, the smoke elimination rate height of type vinyl chloride composition cost, has good flame-proof smoke-suppressing, processibility and mechanical property, is particularly suitable for making the upholstery sheet material of the high filling polyvinyl chloride of lime carbonate.
Preparation method's technology of fire-retardant and smoke-inhibiting type polyvinyl-chloride matrix material provided by the present invention is simple, easy handling.
Further describe the present invention below in conjunction with embodiment, scope of the present invention is not subjected to the restriction of these embodiment.Scope of the present invention proposes in claims.
One, presses down the pre-treatment of cigarette synergist
Embodiment 1:
Lime carbonate (Beijing Miyun lime carbonate factory, the light calcium carbonate) 2000g and stearic acid (commercially available) 60g that median size are about 10 μ m add in the high-speed stirring mixer.At first stirred 5 minutes down, open heating jacket again and transfer to (2375rpm) stirring at a high speed a hour, when temperature reaches 100 ℃, shut down, be cooled to 40 ℃ of dischargings at low speed (1100rpm).Obtain lime carbonate sample a.
Embodiment 2:
Except used surface treatment agent is that silicon is that (Shandong No.3 Chemical Plant, Qufu produces the coupling agent γ-An Bingjisanyiyangjiguiwan, NQ-55) 8g (weight of calcium carbonate 0.4%), and add outside entry 8g (weight of calcium carbonate 0.4%) and 95% industrial alcohol (commercially available) 8g (weight of calcium carbonate 0.4%), all the other conditions obtain lime carbonate sample b all with embodiment 1.
Embodiment 3:
Except used lime carbonate was the water-ground limestone (Beijing state sharp superfine powder company limited produces) of 1.5 μ m (1250 order), all the other conditions obtained lime carbonate sample c all with embodiment 1.
Two, the preparation of fire-retardant and smoke-inhibiting type polyvinyl-chloride matrix material
The test event of the sample process of this group embodiment is as follows:
1. the test of flame retardant properties: oxygen index, testing standard are UL-94-96;
2. the test of the amount of being fuming: the amount of being fuming, testing standard are the weighting method of GB5468-91;
3. the test of mechanical property: drop impact, testing standard are German chemical building standard RAL-RG716/1.
4. the test of processing characteristics: plasticizing moment of torsion, the PEL331 dynamic rheometer of use Brabenda is tested material and is obtained fusion time and torque curve, the peak torque that plastifies during 2～10 minutes is the plasticizing moment of torsion, and the plasticizing moment of torsion shows that at 40～60Nm plasticizing is all right.
5. the test of stability: heat-stable time, use the PEL331 dynamic rheometer of Brabenda that material is tested and obtain fusion time and torque curve, the time when material causes moment of torsion to increase suddenly owing to thermolysis after plasticizing.
Embodiment 4:
(produce in the chemical plant, Jinxi with polyvinylchloride, 5 types), lime carbonate (embodiment 1 gained lime carbonate sample a, median size is about 10 μ m), rare earth class stablizer (the high Kodak in Shantou company produce, trade mark GKD9901), zinc borate (produce in pay one hundred chemical plant in Beijing, 3.5 types), antimonous oxide Sb
2O
3(yiyang, hunan antimony product factory, 1 μ m), aluminium hydroxide Al (OH)
3(Shandong Zibo aluminium metallurgy factory, 1 μ m), acrylate copolymer ACR (produce in Amway chemical plant, Suzhou, 201 types), titanium dioxide TiO
2(du pont company product), chlorinatedpolyethylene CPE (chemical plant, Weifang, Shandong product) mix in high-speed stirring mixer by the part by weight configuration 2Kg of prescription: stirred 5 minutes at low speed 1100rpm earlier, changing heating high speed 2375rpm again into stirs, when being raised to 110 ℃, temperature stops heating, discharging when temperature drops to 40 ℃.Each set of dispense ratio sees Table 1.Compound is plasticated in two roller mills, and plasticating temperature is 175 ℃, and the time is 10 minutes, obtains final sample.Sampling and testing, results of property sees Table 1.
Embodiment 5:
Except employed lime carbonate is without surface-treated, blending equipment is that Brabenda dynamic rheometer (screw rod is extruded), blending temperature are beyond 175 ℃, and all the other components are all identical with embodiment 4 with processing condition.Sampling and testing, results of property sees Table 1.
Embodiment 6:
Except the lime carbonate sample b of employed lime carbonate embodiment 3 gained, all the other components are all identical with embodiment 4 with processing condition.With gained sample sampling and testing, the set of dispense ratio is with embodiment in the table 14, and results of property sees Table 2.
Embodiment 7:
Except employed lime carbonate is about the water-ground limestone sample c of 1.5 μ m for the median size of embodiment 2 gained, all the other components are all identical with embodiment 4 with processing condition.With gained sample sampling and testing, the set of dispense ratio sees Table 1, and results of property sees Table 2.
Embodiment 8:
Removing added zinc borate is 4 parts, and does not add outside antimonous oxide and the aluminium hydroxide, and all the other components are all identical with embodiment 4 with processing condition.With gained sample sampling and testing, the set of dispense ratio sees Table 1, results of property table 2.
Embodiment 9:
Except that zinc borate, antimonous oxide and aluminium hydroxide proportioning become 2: 4: 11, all the other components are identical with embodiment 4 with processing condition.With gained sample sampling and testing, the set of dispense ratio sees Table 1, and results of property sees Table 2.
Embodiment 10:
Remove the lime carbonate umber and change 10 into especially, all the other components are all identical with embodiment 3 with processing condition.With gained sample sampling and testing, the set of dispense ratio sees Table 1, and results of property sees Table 2.
Embodiment 11:
Remove the lime carbonate umber and change 10 parts into, zinc borate, antimonous oxide and aluminium hydroxide proportioning become outside 4: 2: 11, and all the other components are all identical with embodiment 4 with processing condition.With gained sample sampling and testing, the set of dispense ratio sees Table 1, and results of property sees Table 2.
Embodiment 12:
Remove the lime carbonate umber and change 40 into especially, all the other components are all identical with embodiment 4 with processing condition.With gained sample sampling and testing, the set of dispense ratio sees Table 1, and results of property sees Table 2.
Embodiment 13:
Remove the lime carbonate umber and change 70 into especially, all the other components are all identical with embodiment 4 with processing condition.With gained sample sampling and testing, the set of dispense ratio sees Table 1, and results of property sees Table 2.
Comparative example 1:
Except that not adding zinc borate, antimonous oxide and aluminium hydroxide, all the other components are all identical with embodiment 4 with processing condition.With gained sample sampling and testing, the set of dispense ratio sees Table 1, and results of property sees Table 2.
Comparative example 2:
Removing the lime carbonate umber is 10 parts, does not add outside zinc borate, antimonous oxide and the aluminium hydroxide, and all the other components are all identical with embodiment 4 with processing condition.With gained sample sampling and testing, the set of dispense ratio sees Table 1, and results of property sees Table 2.
Comparative example 3:
Remove stablizer and change dibasic lead phosphite (chemical plant, Huaiyin, Jiangsu product) and lead sulfate tribasic (chemical plant, Huaiyin, Jiangsu product) mixture into, and add outside the lead stearate, all the other components are all identical with embodiment 4 with processing condition.With gained sample sampling and testing, the set of dispense ratio sees Table 1, and results of property sees Table 2.
Comparative example 4:
The sample of getting commercially available high carbon acid calcium filling polyvinyl chloride (calcium carbonate quantity is about 70 parts) decorative sheet carries out performance test, and results of property sees Table 2.
Table 1
| Embodiment 4 | Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 | Embodiment 11 | Embodiment 12 | Embodiment 13 | Comparative example 1 | Comparative example 2 | Comparative example 3 | ||
| PVC | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | |
| Lime carbonate | Particle diameter | 10 μm | 1.5 μm | 10 μm | 10 μm | 10 μm | 10 μm | 10 μm | 10 μm | 10 μm | 10 μm | 10 μm |
| Umber | 58 | 58 | 58 | 58 | 10 | 10 | 40 | 70 | 58 | 10 | 58 | |
| Disalt | - | - | - | - | - | - | - | - | - | - | 1.0 | |
| Three salt | - | - | - | - | - | - | - | - | - | - | 2.0 | |
| The rare earth class stablizer | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | |
| Zinc borate | 4 | 4 | 4 | 2 | 4 | 4 | 4 | 4 | - | - | 4 | |
| Sb 2O 3 | 4 | 4 | - | 4 | 4 | 2 | 4 | 4 | - | - | 4 | |
| Aluminium hydroxide | 9 | 9 | - | 11 | 9 | 11 | 9 | 9 | - | - | 9 | |
| ACR | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1.5 | |
| Titanium dioxide | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | |
| Lead stearate | - | - | - | - | - | - | - | - | - | - | 0.5 | |
| CPE | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | |
Table 2
| Test event | The amount of being fuming | Oxygen index | Drop impact | The plasticizing moment of torsion | Heat-stable time | |
| 10℃ 1kg m | -10℃ 1kg m | |||||
| Unit | Mg/g | ％ | - | - | Nm | Minute |
| Embodiment 4 | 38.0 | 56 | 5 times are not disconnected | 5 times are not disconnected | 56 | 28 |
| Embodiment 5 | 43.0 | - | 3～4 times are not disconnected | - | 50 | - |
| Embodiment 6 | 41.0 | - | 5 times are not disconnected | 5 times are not disconnected | - | - |
| Embodiment 7 | 48.0 | - | 5 times are not disconnected | 5 times are not disconnected | - | - |
| Embodiment 8 | 59.8 | - | 5 times are not disconnected | 5 times are not disconnected | - | - |
| Embodiment 9 | 47.0 | - | 5 times are not disconnected | 5 times are not disconnected | - | - |
| Embodiment 10 | 50.9 | 47 | 5 times are not disconnected | 5 times are not disconnected | 49 | 25 |
| Embodiment 11 | 55.0 | 48 | 5 times are not disconnected | 5 times are not disconnected | 46 | 25 |
| Embodiment 12 | 44.5 | - | 5 times are not disconnected | 5 times are not disconnected | - | - |
| Embodiment 13 | 41.2 | 58 | 5 times are not disconnected | 4 times are not disconnected | - | - |
| Comparative example 1 | 78.4 | - | 5 times are not disconnected | 5 times are not disconnected | - | - |
| Comparative example 2 | 92.9 | - | 5 times are not disconnected | 5 times are not disconnected | - | - |
| Comparative example 3 | - | - | 5 times are not disconnected | 5 times are not disconnected | 53 | 23 |
| Comparative example 4 | 70.0 | - | 5 times all disconnected | - | - | - |
Claims (14)
1. fire-retardant and smoke-inhibiting type polyvinyl-chloride matrix material, the lime carbonate that includes polyvinyl chloride, handled through tensio-active agent, press down cigarette synergist and stablizer, wherein press down the cigarette synergist and be at least a in the following material: zinc borate, antimonous oxide, aluminium hydroxide, in the polyvinyl chloride parts by weight is 100 weight parts, and pressing down the total consumption of cigarette synergist is 2～20 weight parts.
2. polyvinyl chloride composite materials according to claim 1, the median size that it is characterized in that described lime carbonate are 1～50 μ m.
3. polyvinyl chloride composite materials according to claim 1, the consumption that it is characterized in that described lime carbonate is 10～70 weight parts.
4. polyvinyl chloride composite materials according to claim 1, the consumption that it is characterized in that described lime carbonate is 50～70 weight parts.
5. polyvinyl chloride composite materials according to claim 1 is characterized in that described polyvinyl chloride is a rigid polyvinyl chloride.
6. according to each described polyvinyl chloride composite materials of claim 1～5, the tensio-active agent that it is characterized in that described processing lime carbonate is selected from a kind of in the following material: containing 8 carbon atoms above lipid acid, titanium is that coupling agent or silicon are coupling agent, and the lipid acid consumption is 1%～10% of a weight of calcium carbonate; Titanium is that the consumption of coupling agent is 0.4%～1.5% of a weight of calcium carbonate; Silicon is that the consumption of coupling agent is 0.1%～1.0% of a weight of calcium carbonate.
7. polyvinyl chloride composite materials according to claim 6, the consumption that it is characterized in that described lipid acid is 2.5%～5.0% of a weight of calcium carbonate; Described titanium is that the consumption of coupling agent is 0.8%～1.0% of a weight of calcium carbonate; Described silicon is that the consumption of coupling agent is 0.2%～0.5% of a weight of calcium carbonate.
8. polyvinyl chloride composite materials according to claim 6 is characterized in that described lipid acid is stearic acid or lauric acid; Described titanium is that coupling agent comprises: the mixed type titanic acid ester of phosphatic type titanic acid ester, lipid acid titanic acid ester or phosphoric acid and lipid acid, described silicon is that coupling agent is γ-An Bingjisanyiyangjiguiwan, N-β-aminoethyl-γ-aminopropyl trimethyl silane, N, N '-two (β-aminoethyl)-γ-aminopropyl trimethyl silane.
9. polyvinyl chloride composite materials according to claim 1, it is characterized in that the described cigarette synergist that presses down is zinc borate, antimonous oxide and aluminium hydroxide three mixture, in the polyvinyl chloride parts by weight is 100 parts, and the weight ratio scope when zinc borate, antimonous oxide and aluminium hydroxide three mix is 2～7: 2～7: 5～15.
10. polyvinyl chloride composite materials according to claim 1 is characterized in that described but the cigarette synergist is the mixture of zinc borate, antimonous oxide and aluminium hydroxide, and three's weight ratio is 4: 4: 9.
11. polyvinyl chloride composite materials according to claim 1 is characterized in that described stablizer is the rare earth class stablizer, is 100 parts in the polyvinyl chloride parts by weight, the rare earth class stabilizing agent dosage is 1～10 part.
12. polyvinyl chloride composite materials according to claim 11, the consumption that it is characterized in that described rare earth class stablizer is 3～5 parts.
13. preparation method as each described fire-retardant and smoke-inhibiting type polyvinyl-chloride matrix material of claim 1～12, with polyvinyl chloride, lime carbonate, stablizer and press down cigarette synergist melt blending and make the fire-retardant and smoke-inhibiting type polyvinyl-chloride matrix material, wherein before melt blending, use tensio-active agent to carry out surface treatment to lime carbonate.
14. the preparation method of polyvinyl chloride composite materials according to claim 13, its melt blending temperature is 170～200 ℃.
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| WO1999029778A1 (en) * | 1997-12-08 | 1999-06-17 | Teknor Apex Company | Esterification method |
-
2000
- 2000-10-27 CN CN00130096A patent/CN1123597C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5447344A (en) * | 1977-09-21 | 1979-04-13 | Kanegafuchi Chemical Ind | Gasket for fire door |
| JPS551020A (en) * | 1978-06-20 | 1980-01-07 | Sumitomo Bakelite Co | Electric wire or cable |
| US4764539A (en) * | 1987-11-24 | 1988-08-16 | Norton Company | Flame resistant polymers |
| CN1045404A (en) * | 1988-09-06 | 1990-09-19 | B.F.谷德里奇公司 | Fire-retardant resistance smoke cables insulation and coating composition |
| WO1999029778A1 (en) * | 1997-12-08 | 1999-06-17 | Teknor Apex Company | Esterification method |
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| CN1288021A (en) | 2001-03-21 |
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