CN108329576A - A kind of moisture-proof master batch and preparation method thereof for injection moulding regrinding-material - Google Patents
A kind of moisture-proof master batch and preparation method thereof for injection moulding regrinding-material Download PDFInfo
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- CN108329576A CN108329576A CN201710045172.4A CN201710045172A CN108329576A CN 108329576 A CN108329576 A CN 108329576A CN 201710045172 A CN201710045172 A CN 201710045172A CN 108329576 A CN108329576 A CN 108329576A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The moisture-proof master batch and preparation method thereof that the invention discloses a kind of for injection moulding regrinding-material, belongs to high molecular material sciemtifec and technical sphere, is made of the component comprising following parts by weight：45 60 parts of matrix resin, 15 25 parts of powder carrier, 15 40 parts of anti-blushing agent, 2.5 3.5 parts of antioxidant, 38 parts of lubricant, 0.2 0.5 parts of coupling agent.For the moisture-proof master batch of the present invention for that in injection moulding regrinding-material, can be effectively removed contained humidity in regrinding-material, plastic products are with out splash, bubble-free to making, and stoving process, saving process time and processing charges can be also subtracted while improving quality of item；In addition, the moisture-proof master batch of the present invention has both the effect of aging master batch, penetrating odor of the regrinding-material because recycling the generations such as the degradation in use again can be reduced, can be widely used in a variety of plastics molding process such as plastic pipe, injection molding, hollow blow molding.
Description
Technical field
The present invention relates to a kind of modified material technical fields, and in particular to a kind of moisture-proof master batch for injection moulding regrinding-material and
Preparation method.
Background technology
Regrinding-material in injection molding is exactly leftover pieces extra above plastic products, that is, when plastic products produce
Joining and the remaining extra leftover pieces of the openning of material feeding for mold can be left above plastics.And it can be by portion in injection moulding process
Bleeder feed powder is broken, is filled into injected plastics material after crushing, becomes a part for new injected plastics material.
In addition to this, plastic part in being molded production process often because pulling, the various defects such as tiger fur line, weld mark
Cause bad, for these defective products, the way of general factory is to use the broken recycling again of defective products.
Use for regrinding-material or broken material is generally divided into two kinds：1, regrinding-material, broken material are granulated again；2, will
Regrinding-material, broken material are all either added in virgin material according to a certain percentage directly carries out reuse.But both methods
There is its defect：Again it is granulated and uses, although can ensure the performance of product to a certain extent, to put into certain equipment
Resource and the manufacturing expense for improving product；And it is added to direct reuse in virgin material, often because of regrinding-material working process mistake
The larger moisture that is introduced in journey and cause follow-up greater amount of unqualified.
In order to remove moisture removal, heating, drying method is now generally used, that is, utilizes electrothermal drying machinery to eliminate moisture.Using this
Method needs plastic products producer addition high temperature drying equipment, can cause to extend product process time, increase plastic products processing
Process, high power consumption, increase production cost and it is artificial the deficiencies of, in addition, caused by utilizing again degradation etc. factors meeting
Penetrating odor is generated, product quality and use scope are influenced.
Invention content
In order to overcome drawbacks described above, the object of the present invention is to provide a kind of moisture-proof master batches and its system for injection moulding regrinding-material
Preparation Method.
Technical scheme is as follows：
A kind of moisture-proof master batch for injection moulding regrinding-material is made of the component comprising following parts by weight：
Further scheme, described matrix resin are that polypropylene (PP), polyethylene (PE), acrylonitrile-butadiene-styrene (ABS) are total
One or more kinds of mixture in polymers (ABS), makrolon (PC), polystyrene (PS).
The powder carrier is wollastonite, talcum powder, calcium carbonate, calcium carbonate crystal whisker, kaolin, montmorillonite, barite, cloud
The mixture of one or more of mother.
The anti-blushing agent is calcium chloride.
The antioxidant is one or both of double octadecyls of antioxidant 1010, irgasfos 168 or thio-2 acid
Above mixture.
The coupling agent is silane coupling agent or titanate coupling agent.
The lubricant is one or more of PE waxes, EVA waxes, calcium stearate, ethylene Stearyl Amine
Mixture.
A kind of preparation method of moisture-proof master batch for injection moulding regrinding-material, includes the following steps：
(1) raw material is weighed according to the following ratio：30-45 parts of matrix resin, 15-35 parts of powder carrier, 20-55 parts of anti-blushing agent,
2.5-3.5 parts of antioxidant, 3-8 parts of lubricant, 0.2-0.5 parts of coupling agent；
(2) mixing in mixer is added in the raw material weighed up together, the blowing after bulk is presented in material；
(3) extrusion and pelletizing：The good material of mixing in step (2) is transported in cone pair-single screw extrusion machine, through single spiral shell
Bar extruder melting mixing squeezes out, then moisture-proof master batch is made through pelletizing.
Mixer mixing volume in the step (2) is 50-250L, and mixing time is 15-30 minutes, mixer setting
Temperature is 180-220 DEG C；The screw diameter of single screw extrusion machine in the step (3) is 90-180cm, single screw extrusion machine
The temperature in each area is 180-220 DEG C, and pelletizing mode selects head earnestly air-cooled.
Beneficial effects of the present invention have：
(1) it can be effectively removed in feed back containing the calcium chloride that can be combined with water in moisture-proof master batch provided by the invention
Moisture；
(2) antioxidant of more amount is added in moisture-proof master batch provided by the invention, therefore with the work of aging master batch
With the problems such as capable of reducing the oxicracking caused by the use repeatly again of plastics, to reduce penetrating odor
It generates；
(3) moisture-proof master batch of the invention is added in regrinding-material or broken material processing and is used, and can be effectively removed the mouth of a river
Contained humidity in material, to make, plastic products are with out splash, bubble-free；
(4) moisture-proof master batch disclosed by the invention is added, stoving process can be subtracted, saves process time and processing charges.
Therefore there are apparent economic benefit and social benefit.
Specific implementation mode
Embodiment 1
45 parts of matrix resin PP, 15 parts of powder carrier calcium carbonate, 40 parts of calcium chloride, antioxidant 1010 are weighed in mass ratio
2.5 parts, 3 parts of lubricant PE waxes, 0.2 part of coupling agent；The mixer that mixing volume is 50L is added in the raw material weighed up together to work as
Middle mixing, smelting temperature are 200 DEG C, and mixing time is 30 minutes；It is 90cm that the good bulk material of mixing, which is transported to screw diameter,
Cone it is double-single screw extrusion machine in, squeezed out through single screw extrusion machine melting mixing, then moisture-proof master batch is made through pelletizing.
Embodiment 2
60 parts of matrix resin PE, 25 parts of powder carrier talc, 15 parts of calcium chloride, antioxidant 1010 are weighed in mass ratio
2.5 parts, 1 part of irgasfos 168,5 parts of lubricant EVA waxes, 3 parts of calcium stearate, 0.5 part of coupling agent；Together by the raw material weighed up
Mixing in the mixer that mixing volume is 150L is added, smelting temperature is 160 DEG C, and mixing time is 15 minutes；Mixing is good
Bulk material is transported in cone pair-single screw extrusion machine that screw diameter is 150cm, is squeezed through single screw extrusion machine melting mixing
Go out, then moisture-proof master batch is made through pelletizing.
Embodiment 3
45 parts of matrix resin ABS, 20 parts of powder carrier talc, 35 parts of calcium chloride, antioxidant 1010 are weighed in mass ratio
1.5 parts, 1 part of irgasfos 168, double 1 part of the octadecyls of thio-2 acid, 2 parts of lubricant PE waxes, 2 parts of EVA waxes, calcium stearate 2
Part, 2 parts of ethylene Stearyl Amine, 0.5 part of coupling agent；The mixing that mixing volume is 250L is added in the raw material weighed up together
Mixing in machine, smelting temperature are 220 DEG C, and mixing time is 20 minutes；The good bulk material of mixing is transported to screw diameter and is
In cone pair-single screw extrusion machine of 180cm, squeezed out through single screw extrusion machine melting mixing, then moisture-proof master batch is made through pelletizing.
Embodiment 4
Weigh 50 parts of matrix resin PC in mass ratio, 20 parts of powder carrier mica powder, 30 parts of calcium chloride, 3 parts of antioxidant,
5 parts of lubricant, 0.4 part of coupling agent；Mixing in the mixer that mixing volume is 150L is added in the raw material weighed up together, it is close
It is 240 DEG C to refine temperature, and mixing time is 25 minutes；It is double-mono- that the good bulk material of mixing is transported to the cone that screw diameter is 180cm
In screw extruder, squeezed out through single screw extrusion machine melting mixing, then moisture-proof master batch is made through pelletizing.
Embodiment 5
52 parts of matrix resin PS, 24 parts of powder carrier wollastonite, 24 parts of calcium chloride, antioxidant 3.5 are weighed in mass ratio
Part, 2 parts of lubricant PE waxes, 3 parts of EVA waxes, 3 parts of calcium stearate, 0.5 part of coupling agent；Mixing is added in the raw material weighed up together
Volume is mixing in the mixer of 150L, and smelting temperature is 220 DEG C, and mixing time is 25 minutes；The good bulk material of mixing
It is transported in cone pair-single screw extrusion machine that screw diameter is 180cm, is squeezed out through single screw extrusion machine melting mixing, then through cutting
Moisture-proof master batch is made in grain.
Embodiment 6
58 parts of PP, 18 parts of powder carrier barium sulfate, 24 parts of calcium chloride, 3.5 parts of antioxidant, lubricant 5 are weighed in mass ratio
Part, 0.5 part of coupling agent；Mixing in the mixer that mixing volume is 150L, smelting temperature is added in the raw material weighed up together
It it is 220 DEG C, mixing time is 25 minutes；The good bulk material of mixing is transported to cone pair-single screw rod that screw diameter is 180cm and squeezes
Go out in machine, is squeezed out through single screw extrusion machine melting mixing, then moisture-proof master batch is made through pelletizing.
Embodiment 7
25 parts of matrix resin PS, 20 parts of ABS, 10 parts of PC are weighed in mass ratio, and 10 parts of powder carrier kaolin, illiteracy are de-
Native 10 parts, 5 parts of barite, 35 parts of calcium chloride, 3.5 parts of antioxidant, 8 parts of lubricant, 0.5 part of coupling agent；The raw material that will be weighed up
Mixing in the mixer that mixing volume is 150L is added together, smelting temperature is 220 DEG C, and mixing time is 25 minutes；Mixing
Good bulk material is transported in cone pair-single screw extrusion machine that screw diameter is 180cm, through single screw extrusion machine melting mixing
It squeezes out, then moisture-proof master batch is made through pelletizing.
Comparative example 1
45 parts of matrix resin PP, 15 parts of powder carrier calcium carbonate, 40 parts of talcum powder, antioxidant 1010 are weighed in mass ratio
2.5 parts, 3 parts of lubricant PE waxes, 0.2 part of coupling agent；The raw material weighed up are added in mixer together according to the work of embodiment 1
1 master batch of comparative example is made in skill production.
Comparative example 2
60 parts of matrix resin PE, 35 parts of powder carrier talc, 5 parts of calcium chloride, antioxidant 1010 are weighed in mass ratio
2.5 parts, 1 part of irgasfos 168,5 parts of lubricant EVA waxes, 3 parts of calcium stearate, 0.5 part of coupling agent；Together by the raw material weighed up
It is added in mixer, 2 master batch of comparative example is made according to the technique productions of embodiment 2.
Comparative example 3
25 parts of matrix resin PP, 15 parts of powder carrier calcium carbonate, 60 parts of calcium chloride, antioxidant 1010 are weighed in mass ratio
2.5 parts, 3 parts of lubricant PE waxes, 0.2 part of coupling agent；The raw material weighed up are added in mixer together according to the work of embodiment 1
3 master batch of comparative example is made in skill production.Experiment is found, is granulated difficulty in this ratio production master batch, caking seriously can not normal use.
Injection moulding regrinding-material is added to according to 30% in virgin material, by embodiment 1-7 and comparative example 1-3 according to 2%
Ratio is added in mixture, and the uniform simultaneously Injection moulded part of physical agitation observes product visual condition, as a result such as table 1.Wherein comment
The method of sentencing is：Spray：Article surface has the larger splash shape lines formed along flow direction of more serious area；Crazing：
Article surface has the smaller splash shape lines formed along flow direction of slight area；Well：Article surface is good, anhydrous
Flower, crazing, point etc. are bad.
Table 1
It can be seen from Table 1 that the water suction master batch obtained of embodiment 1- embodiments 7 has preferably product spray crazing etc.
Removal acts on, therefore the feed back exceeded to moisture content, it is possible to reduce baking material link has saved cost and in turn ensured product matter
Amount.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (9)
1. a kind of moisture-proof master batch for injection moulding regrinding-material, which is characterized in that be made of the component comprising following parts by weight：
45-60 parts of matrix resin,
15-25 parts of powder carrier,
15-40 parts of anti-blushing agent,
2.5-3.5 parts of antioxidant,
0.2-0.5 parts of coupling agent,
3-8 parts of lubricant.
2. a kind of moisture-proof master batch for injection moulding regrinding-material as described in claim 1, which is characterized in that described matrix resin is
It is one or more kinds of in polypropylene, polyethylene, acrylonitrile-butadiene-styrene copolymer, makrolon, polystyrene
Mixture.
3. a kind of moisture-proof master batch for injection moulding regrinding-material as described in claim 1, which is characterized in that the powder carrier is
One or more of wollastonite, talcum powder, calcium carbonate, calcium carbonate crystal whisker, kaolin, montmorillonite, barite, mica
Mixture.
4. a kind of moisture-proof master batch for injection moulding regrinding-material as described in claim 1, which is characterized in that the anti-blushing agent is chlorine
Change calcium.
5. a kind of moisture-proof master batch for injection moulding regrinding-material as described in claim 1, which is characterized in that the antioxidant is anti-
The mixture of one or more of the double octadecyls of oxygen agent 1010, irgasfos 168 or thio-2 acid.
6. a kind of moisture-proof master batch for injection moulding regrinding-material as described in claim 1, which is characterized in that the coupling agent is silicon
Alkane coupling agent or titanate coupling agent.
7. a kind of moisture-proof master batch for injection moulding regrinding-material as described in claim 1, which is characterized in that the lubricant is PE
The mixture of one or more of wax, EVA waxes, calcium stearate, ethylene Stearyl Amine.
8. the method for preparing a kind of moisture-proof master batch for injection moulding regrinding-material described in claim 1, which is characterized in that including with
Lower step：
（1）Raw material is weighed according to the following ratio：45-60 parts of matrix resin, 15-25 parts of powder carrier, 15-40 parts of anti-blushing agent, antioxygen
2.5-3.5 parts of agent, 3-8 parts of lubricant, 0.2-0.5 parts of coupling agent；
（2）Mixing in mixer is added in the raw material weighed up together, the blowing after bulk is presented in material；
（3）Extrusion and pelletizing：By step（2）The good material of middle mixing is transported in cone pair-single screw extrusion machine, through single spiral shell
Bar extruder melting mixing squeezes out, then the moisture-proof master batch for injection moulding regrinding-material is made through pelletizing.
9. a kind of preparation method of moisture-proof master batch for injection moulding regrinding-material according to claim 8, which is characterized in that institute
State step（2）In mixer mixing volume be 50-250L, mixing time is 15-30 minutes, and mixer set temperature is
180-220℃；The step（3）In single screw extrusion machine screw diameter be 90-180cm, each area of single screw extrusion machine
Temperature is 180-220 DEG C, and pelletizing mode selects head earnestly air-cooled.
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| CN109504077A (en) * | 2018-11-15 | 2019-03-22 | 杭州如墨科技有限公司 | A kind of preparation method of high concentration plastic master batch |
| CN109852023A (en) * | 2018-12-17 | 2019-06-07 | 上海凯雄新材料科技有限公司 | A kind of fire retardation PC-ABS alloy building template |
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Application publication date: 20180727 |