CN105801955A - Silane naturally crosslinked modified masterbatch dedicated to HDPE double-wall corrugated pipe and manufacturing method thereof - Google Patents
Silane naturally crosslinked modified masterbatch dedicated to HDPE double-wall corrugated pipe and manufacturing method thereof Download PDFInfo
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- CN105801955A CN105801955A CN201410853474.0A CN201410853474A CN105801955A CN 105801955 A CN105801955 A CN 105801955A CN 201410853474 A CN201410853474 A CN 201410853474A CN 105801955 A CN105801955 A CN 105801955A
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Abstract
The invention relates to the fields of macromolecular crosslinking modification and inorganic matter processing treatment, and in particular, relates to a functional masterbatch for an HDPE double-wall corrugated pipe and a manufacturing method thereof. The silane naturally crosslinked modified masterbatch dedicated to the HDPE double-wall corrugated pipe adopts a mixture, wherein the mixture is composed of carrier resin, an inorganic powder, a coupling agent, a lubricant, and a dispersion agent. The prepared masterbatch has no need for addition of an extra toughening agent and compatibilizer and the like, and a formula system is simplified.
Description
Technical field
The present invention relates to the modified machining field with inorganic matter of high molecular crosslink, be specifically related to a kind of master batch and manufacture method.
Background technology
Along with the development of national economy, the quickening of Development of China's Urbanization, the continuous expansion of urban construction scale.Draining, blow-off pipe are as the important component part of municipal network system, and the quality of its performance will directly affect the reliability and security of foul water system.HDPE double-wall corrugated pipe relies on himself distinctive advantage and has occupied the increasing market share in draining, blowdown.How under the premise reducing tubing cost, its property retention can be made again, even above original data, become a pendulum problem anxious to be resolved in face of us.
At present, main method market dropping this has: 1. add waste or used plastics.2. add inorganic filling material.And the method improving its physical property mainly has: 1. add polypropylene, toughened resin (POE) etc..To improve its ring stiffness and toughness etc..
Additionally, ring stiffness, croop property and weatherability are to weigh several important indicators of double-wall corrugated pipe quality, in order to improve the ring stiffness of tubing, patent CN201110411886 and patent CN200910027913 has been respectively adopted interpolation polypropylene material and lamellar, threadiness and ball filler to improve the rigidity of goods.The interpolation of polypropylene and lamellar, threadiness and ball filler can improve the ring stiffness of tubing, but in order to balance rigidity and the toughness of tubing, above-mentioned two patents have to additionally add MPE resin or POE for toughness reinforcing, it is difficult to accomplish that the two is taken into account, drop this inconspicuous, or product properties is not up to standard.
Summary of the invention
It is an object of the invention to, it is provided that a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe, to solve above-mentioned technical problem.
The present invention also aims to, it is provided that the manufacture method of a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe, to solve above-mentioned technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe, master batch adopts mixture, and described mixture is made up of vector resin, mineral powder, coupling agent, lubricant, dispersant.
Described mixture adopts the material of following parts by weight: mineral powder 40 parts-80 parts, vector resin 10 parts-30 parts, coupling agent 1 part-3 parts, lubricant 3 parts-5 parts, dispersant 2 parts-4 parts.
Polyolefin alloy material and the ratio of the mixture of LLDPE resin, polyolefin alloy material and LLDPE resin that described vector resin employing room temperature is natural-crosslinked are 3:2.The preferred melting means of LLDPE is 2g/10min-4g/10min.
Described polyolefin alloy material adopts the natural-crosslinked polyolefin alloy material of room temperature that method described in prior art Patent CN102453275B prepares.
The present invention by by can be normal temperature crosslinked polyolefin alloy material premixing in mineral powder master batch, make it by normal temperature crosslinked reaction after tube extrusion, with lamellar, threadiness inorganic particle modified synergic polyethylene, make HDPE double-wall corrugated pipe form partial cross-linked effect, and then make ring stiffness, shock resistance, croop property and weatherability be greatly improved.Compared with waste HDPE and other resin modified materials, the master batch of the present invention is more energy efficient, and performance is more stable, and material cost is the market competitiveness more.
Described mineral powder is one or more in Pulvis Talci or wollastonite in powder.
Described coupling agent is one or more in silane coupler, sial composite coupler or aluminate coupling agent.
Described lubricant is one or more in Tissuemat E, paraffin or stearic acid.
Described dispersant is one or more in zinc stearate, EBS or calcium stearate.
The manufacture method of a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe, comprises the steps:
1) pretreatment of mineral powder: mineral powder is put in blender and is dried, then put into coupling agent and carry out surface activation process, then vector resin, lubricant, dispersant are put into stirring, temperature to 95 DEG C～130 DEG C in blender, make compound；
2) extruding pelletization of compound: add mixture in double screw extruder with 150 DEG C～180 DEG C extrusions, the fervent pelletizing of die face, obtain the silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe.
Step 1) in, adopt the material of following parts by weight: mineral powder 40 parts-80 parts, vector resin 10 parts-30 parts, coupling agent 1 part-3 parts, lubricant 3 parts-5 parts, dispersant 2 parts-4 parts.
Beneficial effect: owing to adopting technique scheme, the base material of the master batch that the present invention makes and corrugated tube belongs to polyethylene category, without adding extra toughener and compatilizer etc., simplify formula system, the natural-crosslinked alloy material of silane room temperature can complete cross-linking reaction at ambient temperature by high temperature extrusion, whole tubing is finally made to have partial cross-linked network molecular structure, enhance the resin cladding to inorganic matter and improve the shock resistance of goods and wear-resisting, weather resistance, and and lamellar, fibrous Pulvis Talci and wollastonite then substantially increase the ring stiffness of tubing, reduce the croop property of tubing and the weather-proof Material Cost simultaneously also reducing tubing products.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of manufacture method of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with citing, the present invention is further elaborated.Should be appreciated that citing described herein is only in order to explain the present invention, is not intended to limit the present invention.
A kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe, master batch adopts mixture, and mixture is made up of 10 parts of-30 parts of vector resins, 40 parts of-80 parts of mineral powders, 1 part of-3 parts of coupling agents, 3 parts of-5 parts of lubricants, 2 parts of-4 parts of dispersants.
Polyolefin alloy material and the ratio of the mixture of LLDPE resin, polyolefin alloy material and LLDPE resin that vector resin employing room temperature is natural-crosslinked are 3:2.The preferred melting means 2g/10min-4g/10min of LLDPE.Polyolefin alloy material adopts the natural-crosslinked polyolefin alloy material of room temperature that prior art Patent CN102453275B method prepares.
Mineral powder is one or more in Pulvis Talci or wollastonite in powder.
Coupling agent is one or more in silane coupler, sial composite coupler or aluminate coupling agent.
Lubricant is one or more in Tissuemat E, paraffin or stearic acid.
Dispersant is one or more in zinc stearate, EBS or calcium stearate.
With reference to Fig. 1, the manufacture method of a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe, chooses the material of following parts by weight: mineral powder 40 parts-80 parts, vector resin 10 parts-30 parts, coupling agent 1 part-3 parts, lubricant 3 parts-5 parts, dispersant 2 parts-4 parts.Master batch manufacture process is as follows:
The first step, the dry and surface preparation of mineral powder: mineral powder is put in blender and is dried, then put into coupling agent and carry out surface activation process.
Second step, raw-material stirring mixes: vector resin, lubricant, dispersant are put into stirring, temperature to 95 DEG C～130 DEG C in blender, makes compound.
3rd step, the extruding pelletization of compound: add mixture in double screw extruder with 150 DEG C～180 DEG C extrusions, the fervent pelletizing of die face, obtain the silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe.
Embodiment one:
Pulvis Talci is put in blender and be stirred to temperature 95 DEG C, then put into silane coupler and carry out surface activation process, then polyolefin alloy material, LLDPE, Tissuemat E, zinc stearate, EBS are put in blender and continue to be stirred to 130 DEG C, make compound；Add mixture in double screw extruder with 150 DEG C of temperature extrusions, pelletizes, obtain the silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe.
Embodiment two
Wollastonite in powder is put in blender and be stirred to temperature 100 DEG C, then put into sial composite coupler and carry out surface activation process, then polyolefin alloy material, LLDPE, paraffin, stearic acid, calcium stearate are put in blender and continue to be stirred to 130 DEG C, make compound；Add mixture in double screw extruder with 160 DEG C of temperature extrusions, pelletizes, obtain the silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe.
Embodiment three:
Pulvis Talci and wollastonite in powder are put into blender is stirred to temperature 110 DEG C, then put into silane coupler and sial composite coupler carries out surface activation process, then polyolefin alloy material, LLDPE, Tissuemat E, stearic acid, zinc stearate, EBS are put in blender and continue to be stirred to 130 DEG C, make compound；Add mixture in double screw extruder with 180 DEG C of temperature extrusions, pelletizes, obtain the silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (9)
1. the silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe, master batch adopts mixture, it is characterised in that described mixture is made up of vector resin, mineral powder, coupling agent, lubricant, dispersant.
2. a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe according to claim 1, it is characterized in that, described mixture adopts the material of lower parts by weight: vector resin 10 parts-30 parts, mineral powder 40 parts-80 parts, coupling agent 1 part-3 parts, lubricant 3 parts-5 parts, dispersant 2 parts-4 parts.
3. a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe according to claim 1, it is characterized in that, polyolefin alloy material and the ratio of the mixture of LLDPE resin, polyolefin alloy material and LLDPE resin that described vector resin employing room temperature is natural-crosslinked are 3:2；
The melting means of LLDPE is 2g/10min-4g/10min.
4. a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe according to claim 1, it is characterised in that described mineral powder is one or more in Pulvis Talci or wollastonite in powder.
5. a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe according to claim 1, it is characterised in that described coupling agent is one or more in silane coupler, sial composite coupler or aluminate coupling agent.
6. a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe according to claim 1, it is characterised in that described lubricant is one or more in Tissuemat E, paraffin or stearic acid.
7. a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe according to claim 1, it is characterised in that described dispersant is one or more in zinc stearate, EBS or calcium stearate.
8. the manufacture method of a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe described in any one in manufacturing claims 1 to 7, it is characterised in that comprise the steps:
1) pretreatment of mineral powder: mineral powder is put in blender and is dried, then put into coupling agent and carry out surface activation process, then vector resin, lubricant, dispersant are put into stirring, temperature to 95 DEG C～130 DEG C in blender, make compound；
2) extruding pelletization of compound: add mixture in double screw extruder with 150 DEG C～180 DEG C extrusions, the fervent pelletizing of die face, obtain the silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe.
9. the manufacture method of a kind of silane natural-crosslinked dedicated modified master batch of HDPE double-wall corrugated pipe according to claim 8, it is characterised in that step 1) in, adopt the material of following parts by weight:
Mineral powder 40 parts-80 parts, vector resin 10 parts-30 parts, coupling agent 1 part-3 parts, lubricant 3 parts-5 parts, dispersant 2 parts-4 parts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410853474.0A CN105801955A (en) | 2014-12-31 | 2014-12-31 | Silane naturally crosslinked modified masterbatch dedicated to HDPE double-wall corrugated pipe and manufacturing method thereof |
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| CN201410853474.0A CN105801955A (en) | 2014-12-31 | 2014-12-31 | Silane naturally crosslinked modified masterbatch dedicated to HDPE double-wall corrugated pipe and manufacturing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977803A (en) * | 2017-03-09 | 2017-07-25 | 浙江伟星新型建材股份有限公司 | Wear-resisting double-wall corrugated pipe of a kind of inwall and preparation method thereof |
| CN107216527A (en) * | 2017-07-20 | 2017-09-29 | 安徽杰蓝特新材料有限公司 | A kind of ultra micro glass cotton applied to HDPE double-wall corrugated pipes strengthens master batch |
| CN107216528A (en) * | 2017-07-20 | 2017-09-29 | 安徽杰蓝特新材料有限公司 | Ultra micro glass cotton applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method |
| CN113290809A (en) * | 2021-04-14 | 2021-08-24 | 山东汲祥塑胶有限公司 | Special integrated material for modified HDPE double-wall corrugated pipe |
| CN114539812A (en) * | 2022-03-02 | 2022-05-27 | 江西广源新材料有限公司 | Inorganic powder, preparation method thereof and reinforced and toughened polypropylene modified master batch |
-
2014
- 2014-12-31 CN CN201410853474.0A patent/CN105801955A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977803A (en) * | 2017-03-09 | 2017-07-25 | 浙江伟星新型建材股份有限公司 | Wear-resisting double-wall corrugated pipe of a kind of inwall and preparation method thereof |
| CN106977803B (en) * | 2017-03-09 | 2019-10-01 | 浙江伟星新型建材股份有限公司 | A kind of double-wall corrugated pipe and preparation method thereof that inner wall is wear-resisting |
| CN107216527A (en) * | 2017-07-20 | 2017-09-29 | 安徽杰蓝特新材料有限公司 | A kind of ultra micro glass cotton applied to HDPE double-wall corrugated pipes strengthens master batch |
| CN107216528A (en) * | 2017-07-20 | 2017-09-29 | 安徽杰蓝特新材料有限公司 | Ultra micro glass cotton applied to HDPE double-wall corrugated pipes strengthens agglomerate preparation method |
| CN113290809A (en) * | 2021-04-14 | 2021-08-24 | 山东汲祥塑胶有限公司 | Special integrated material for modified HDPE double-wall corrugated pipe |
| CN114539812A (en) * | 2022-03-02 | 2022-05-27 | 江西广源新材料有限公司 | Inorganic powder, preparation method thereof and reinforced and toughened polypropylene modified master batch |
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