CN101891927A - PVC cable material - Google Patents
PVC cable material Download PDFInfo
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- CN101891927A CN101891927A CN2009101739895A CN200910173989A CN101891927A CN 101891927 A CN101891927 A CN 101891927A CN 2009101739895 A CN2009101739895 A CN 2009101739895A CN 200910173989 A CN200910173989 A CN 200910173989A CN 101891927 A CN101891927 A CN 101891927A
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Abstract
The invention discloses a PVC cable material. The PVC cable material is characterized in that: the high-molecular material comprises the following components in part by weight: 100 parts of PVC resin, 50-55 parts of plasticizers, 6-8 parts of thermal stabilizers, 20-30 parts of flame retarding smoke inhibitors and 10-20 parts of fillers. The PVC cable material has the advantages that: according to the table, the PVC cable material has perfect mechanical performance and good heat resistance, and is a flame resistant material because the oxygen index of the PVC cable material is more than 30; and the PVC cable material emits less smoke and few harmful gases when burning due to the addition of a certain number of the flame retarding smoke inhibitors and trapping agents.
Description
Technical background
The present invention relates to a kind of pvc CABLE MATERIALS, be specifically related to a kind of heat-proof combustion-resistant level low-smoke low-halogen pvc CABLE MATERIALS.
Background technology
The pvc CABLE MATERIALS is a kind of based on polyvinyl chloride (PVC) RESINS, and adding necessary auxiliary agent is a kind of plastic pellet that softening agent, thermostability, lubricant and filler etc. get through mixing, plasticizing, pelletizing.Its outer skin that is mainly used in electric wire is carried out, and has mechanical property and electrical insulation capability preferably.This series products generally only can be applicable to common occasion, if be used for particular surroundingss such as Highrise buildings, chemical plant, Nuclear power plants, will exist potential safety hazard, because the intensive laying of Cable Group is crisscross, in case terrible disaster takes place, the work of putting out a fire to save life and property is very difficult.Because this series products one is that thermotolerance is relatively low, the 2nd, because the pvc resin is met fire burns after adding softening agent,, but can emit a large amount of harmful, asphyxiating smog when meeting fire burns even some product has added a certain amount of fire retardant.Therefore to the pvc CABLE MATERIALS, eliminate smoke fire-retardant sometimes require even more important.
Summary of the invention
The objective of the invention is provides a kind of pvc CABLE MATERIALS of heat-proof combustion-resistant level low-smoke low-halogen in order to overcome above-mentioned defective.
For solving the problems of the technologies described above, a kind of pvc CABLE MATERIALS of the present invention, its innovative point is: have following component to constitute by this macromolecular material of mass fraction: the pvc resin is 100 weight parts; Softening agent: 50-55 weight part; Thermo-stabilizer: 6-8 weight part; Anti-flaming smoke-inhibiting agent: 20-30 weight part; Filler: 10-20 weight part.To require to have more high heat resistance, low volatility, molecular weight bigger for softening agent among the present invention, and this type of softening agent has trioctyl trimellitate (TOTM), tetraoctyl 1,2,4,5-benzenetetra-carboxylate (TOPM), bis(pentaerythritolester), polyester etc.The softening agent that the present invention selects is trioctyl trimellitate and two 13 esters; Thermo-stabilizer is the lead salt thermo-stabilizer; Anti-flaming smoke-inhibiting agent is Sb
2O
3, zinc borate, aluminium hydroxide, magnesium hydroxide, Sb
2O
3Be 3 weight parts, zinc borate is 4 weight parts, and aluminium hydroxide and magnesium hydroxide are 30 weight parts.
The present invention prepares the technology of pvc CABLE MATERIALS, by pvc, trioctyl trimellitate, two 13 esters, lead salt stabilizer, Sb
2O
3, zinc borate, aluminium hydroxide, magnesium hydroxide and CaCO
3Mix, plasticizing, pelletizing, air-cooled, metering packing, finished product warehouse-in 6 steps of dispatching from the factory constitute.
Make the pvc CABLE MATERIALS by above-mentioned steps, it has been done a series of test, the result is as follows:
The invention has the advantages that: by above-mentioned table as can be known, the present invention has good mechanical property, and the resistance toheat that has embodied a kind of pvc CABLE MATERIALS of the present invention is better; Its oxygen index illustrates that greater than 30 the present invention is a kind of nonflammable material; Owing to added a certain amount of anti-flaming smoke-inhibiting agent and trapping agent, make that the amount of being fuming was few when the present invention was burnt, obnoxious flavour is also few.
Description of drawings
Fig. 1 is the thermal weight loss synoptic diagram that part different sorts softening agent of the present invention cooperates the pvc plastics;
Fig. 2 is the thermal ageing properties synoptic diagram that part different sorts softening agent of the present invention cooperates the pvc plastics.
Embodiment
The content of auxiliary agent has played decisive role to performance of the present invention among the present invention, will be further understood that the present invention from following comparative example.
The comparative example 1
At first, select raw material, as follows: the pvc resin is 100 weight parts; Softening agent is a trioctyl trimellitate, is 50 weight parts; Lead salt stabilizer is 5 weight parts; Weighting agent is 10 weight parts.With raw material mix, plasticizing, pelletizing, air-cooled after, obtain sample, make sample under 120 ℃ condition, cooperate the thermal weight loss of pvc thermoplast, test its volatile loss, test result such as Fig. 1.
The comparative example 2
Repeat comparative example 1, different is: softening agent is two 13 esters (DTDP), result such as Fig. 1.
The comparative example 3
Repeat comparative example 1, different is: softening agent is dioctyl ester (DOP), result such as Fig. 1.
The comparative example 4
Repeat comparative example 1, different is: softening agent is two isodecyl esters (DIDP), result such as Fig. 1.
Fig. 1 part different sorts softening agent cooperates the thermal weight loss of pvc plastics
Curve 4 comparative examples 4
Show by above-mentioned comparative example 1～4 and Fig. 1, TOTM thermal weight loss minimum, the thermal weight loss of DOP is very big, and in comparison, selecting TOTM and DTDP for use is softening agent, and the performance of pvc CABLE MATERIALS is better.
The comparative example 5
Repeat comparative example 1, different is: softening agent is a bis(pentaerythritolester), and test temperature is 140 ℃, cooperates the thermal ageing properties of pvc plastics, tests its elongation retention, and test result is seen Fig. 2.
The comparative example 6
Repeat comparative example 1 and comparative example 5, different is: test temperature is 140 ℃, and test result is seen Fig. 2.
The comparative example 7
Repeat contrast enforcement 1 and comparative example 5, different is: softening agent is two isodecyl esters (DIDP), and test temperature is 140 ℃, and test result is seen Fig. 2.
Fig. 2 part different sorts softening agent cooperates the thermal ageing properties of pvc plastics
Show that by above-mentioned comparative example 5～6 and Fig. 2 it is embrittlement that DIDP descends aging 15 days at 140 ℃, and bis(pentaerythritolester) and TOTM still keep this favorable mechanical performance.
Comprehensive above-mentioned comparative example 1～6 and Fig. 1 and Fig. 2, the softening agent selection TOTM and the DTDP of pvc CABLE MATERIALS of the present invention are more suitable, and it is big to solve pvc CABLE MATERIALS thermosteresis, the technical problem that thermotolerance is relatively poor.
The comparative example 7
Add Sb in the table 1 pvc plastics
2O
3, zinc borate flame retardant effect
| |
1? | 2? | 3? | 4? | 5? | 6? | 7? | 8? |
| Sb 2O 3Addition | ? | 3? | 5? | 10? | 15? | -? | -? | -? |
| The addition (Phr) of zinc borate (ZB2335) | -? | -? | -? | -? | -? | 5? | 10? | -? |
| Sb 2O 3+ zinc borate (ZB2335) (Phr) | -? | -? | -? | -? | -? | -? | -? | 4? |
| Oxygen index (OI) | 26.5? | 28.5? | 29.5? | 31.5? | 33? | 30.5? | 32? | 30.5? |
| The situation of being fuming | Cigarette is many | Cigarette is more | Cigarette is many | Cigarette is many | Cigarette is many | Cigarette is more | Cigarette is many | Cigarette is less |
By above-mentioned table one as can be known, along with the increase of fire retardant, oxygen index obviously improves, but non-linear relation, the cigarette amount increases simultaneously, and Sb
2O
3An amount of cooperation of+zinc borate (ZB2335) can reach certain flame retardant effect and cigarette amount seldom.
The comparative example 8
Test CaCO
3Content is to the capture ability of Hcl gas, thereby expresses CaCO
3Content to the influence of pvc CABLE MATERIALS:
Table 2 Different Ca CO
3Content and Hcl burning of gas situation
| Formula number | 9? | 10? | 11? | 12? | 13? |
| CaCO 3(Phr) | 100? | 75? | 50? | 25? | 0? |
| The Hcl generating capacity | 45? | 60? | 115? | 180? | 264? |
| The situation of being fuming | Greatly | Big slightly | Bigger | Generally | Few |
| Residue | Grey black | Grey black | Grey black | Ash | Lime |
| Oxygen index (OI) | 25.5? | 26.0? | 27.5? | 28.5? | 30.1? |
As shown in Table 2, along with CaCO
3The increase of content, Hcl gas also increases thereupon during burning, but is not linear relation, and works as CaCO
3Content when surpassing more than 80 parts, the quantity of the catch of Hcl shows saturated trend.In addition, the amount of being fuming is with CaCO
3The minimizing of content is on a declining curve, and residue is bleached by black, and oxygen index slightly rises.In order to reduce Hcl gas, pvc CABLE MATERIALS of the present invention has been added magnesium hydroxide and aluminium hydroxide.
Claims (6)
1. pvc CABLE MATERIALS, it is characterized in that: be made of following component by this macromolecular material of mass fraction: with pvc resin 100 weight parts is radix, needs softening agent: the 50-55 weight part; Thermo-stabilizer: 6-8 weight part; Anti-flaming smoke-inhibiting agent: 20-30 weight part; Filler: 10-20 weight part.
2. pvc CABLE MATERIALS according to claim 1 is characterized in that: softening agent wherein is trioctyl trimellitate and two 13 esters.
3. pvc CABLE MATERIALS according to claim 1 is characterized in that: thermo-stabilizer wherein is the lead salt thermo-stabilizer.
4. pvc CABLE MATERIALS according to claim 1 is characterized in that: anti-flaming smoke-inhibiting agent wherein is Sb
2O
3, zinc borate, aluminium hydroxide and magnesium hydroxide mixture.
5. pvc CABLE MATERIALS according to claim 4 is characterized in that: the Sb in the anti-flaming smoke-inhibiting agent wherein
2O
3Be 3 weight parts, zinc borate is 4 weight parts, and aluminium hydroxide and magnesium hydroxide respectively are 15 weight parts.
6. pvc CABLE MATERIALS according to claim 1 is characterized in that: filler wherein is CaCO
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101739895A CN101891927A (en) | 2009-09-30 | 2009-09-30 | PVC cable material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101739895A CN101891927A (en) | 2009-09-30 | 2009-09-30 | PVC cable material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101891927A true CN101891927A (en) | 2010-11-24 |
Family
ID=43101290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101739895A Pending CN101891927A (en) | 2009-09-30 | 2009-09-30 | PVC cable material |
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| Country | Link |
|---|---|
| CN (1) | CN101891927A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103012851A (en) * | 2012-12-28 | 2013-04-03 | 大连亚泰科技新材料股份有限公司 | Preparation method of superfine modified brucite flame retardant and application of superfine modified brucite flame-retardant to PVC (Polyvinyl Chloride) cable material |
| CN103724872A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Environmentally-friendly PVC cable material and preparation method thereof |
| CN103724871A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Environmentally friendly inflaming retarding type PVC cable material and preparation method thereof |
-
2009
- 2009-09-30 CN CN2009101739895A patent/CN101891927A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103012851A (en) * | 2012-12-28 | 2013-04-03 | 大连亚泰科技新材料股份有限公司 | Preparation method of superfine modified brucite flame retardant and application of superfine modified brucite flame-retardant to PVC (Polyvinyl Chloride) cable material |
| CN103724872A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Environmentally-friendly PVC cable material and preparation method thereof |
| CN103724871A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Environmentally friendly inflaming retarding type PVC cable material and preparation method thereof |
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Open date: 20101124 |