CN106366399A - HDPE modified material for improving pearly luster color masterbatch forming line and application of material - Google Patents

HDPE modified material for improving pearly luster color masterbatch forming line and application of material Download PDF

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Publication number
CN106366399A
CN106366399A CN201610737845.8A CN201610737845A CN106366399A CN 106366399 A CN106366399 A CN 106366399A CN 201610737845 A CN201610737845 A CN 201610737845A CN 106366399 A CN106366399 A CN 106366399A
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China
Prior art keywords
hdpe
pearly
color masterbatch
improving
ldpe
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Pending
Application number
CN201610737845.8A
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Chinese (zh)
Inventor
郭文生
邵天志
赵宏泽
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GUANGZHOU LIYING PLASTIC CO Ltd
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GUANGZHOU LIYING PLASTIC CO Ltd
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Priority to CN201610737845.8A priority Critical patent/CN106366399A/en
Publication of CN106366399A publication Critical patent/CN106366399A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/78Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/78Measuring, controlling or regulating
    • B29C49/786Temperature
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0807Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815Copolymers of ethene with aliphatic 1-olefins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/062HDPE
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/066LDPE (radical process)

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

The invention discloses an HDPE modified material for improving the pearly luster color masterbatch forming line and application of the material, and belongs to the field of material application. The HDPE modified material is prepared from, by mass, 50-90% of extrusion blow molding grade HDPE and 10-50% of LDPE or LLDPE. The HDPE modified material has the advantages that the effect of improving the pearly luster line and the flow line in forming is good, production efficiency is improved, only a pouring cup needs to be detached to be polished during production, the time for cleaning mold head parts is greatly shortened, and production efficiency is improved; the color and luster of the material are improved, and the material is helpful for improving the pearl luster line and the flow line; the production cost of the product is not increased, and the product performance is not influenced; component compatibility is good, no special requirements exist during machining, so the production cost of the product can not be increased; the mechanical performance of the LDPE is weak, but co-mixture only needs to be used on the outer layer, so the ratio of the co-mixture in the product is small, and the physical performance of the product is not remarkably influenced.

Description

A kind of hdpe improving pearly-lustre color masterbatch molding lines is material modified and its application
Technical field
The invention belongs to materials application field, material modified particularly to a kind of hdpe improving pearly-lustre color masterbatch molding lines And its application.
Background technology
The common color masterbatch of pearly-lustre color masterbatch contrast, has the glossiness of uniqueness, it is possible to increase the bright-coloured degree of product color, Color colouring effect, improving product class can be changed.
Main component in the pearly-lustre color masterbatch of existing wide use is with natural mica thin slice as core, by special change Learn technique, in one or more layers titanium of its Surface coating or other metal-oxides, therefore the cost of pearly-lustre color masterbatch is than general color Female cost will height.
In hollow extrusion-blown modling industry, pearly-lustre color masterbatch be commonly used in multi-layer co-extruded in outer layer, with reduces cost.But by Contain the inorganic matters such as Muscovitum, metal-oxide in color masterbatch, dispersibility in resin for these inorganic matters is relatively poor, and, The hdpe molecular weight of extrusion blow level is higher, melt finger relatively low, pearly-lustre color masterbatch is more difficult wherein to be uniformly dispersed;Additionally, the die head of blow moulding machine Runner is more complicated, longer, and dead angle is more, so pearly-lustre color masterbatch, when extrusion blow-molded with hdpe, is more frequently cut in die head Cut, easily produce lines, current mark, this phenomenon not only have impact on product appearance, and affects qualification rate and the life of production Produce efficiency.
The general method in extrusion blow-molded middle solution pearly-lustre lines, current mark is die head core rod, spreader, cup, cup core Remove Deng part, the impurity of the inside, hard material are cleaned out, and polished with sand paper, and again install, material extrusion again becomes Type.The shortcoming of this method is that the consuming time is long, and especially for the blow moulding machine of many die heads, the time spent by demolition, installation is longer, Have a strong impact on production efficiency;And often assembly and disassembly die head also had an impact to the life-span of equipment.
Another solution is to change dispersibility more preferable pearly-lustre color masterbatch, such as is replaced with the pearly-lustre color of some imports Mother, but the price of this color masterbatch is costly, is unfavorable for the cost control of product.
Content of the invention
In order to overcome shortcoming and the deficiency of prior art, it is an object of the invention to provide one kind improves pearly-lustre color masterbatch molding The hdpe of lines is material modified.The present invention, by modified to hdpe, can solve pearly-lustre lines during hdpe blow molding, and not Impact production efficiency and the production cost not increasing product.
In hollow extrusion-blown modling, hdpe is a kind of most popular material, and the present invention is a kind of for extrusion blow level Hdpe improves the material modified of pearly-lustre color masterbatch molding lines.
Another object of the present invention is to providing the material modified application of the above-mentioned hdpe improving pearly-lustre color masterbatch molding lines.
The purpose of the present invention is achieved through the following technical solutions:
A kind of hdpe improving pearly-lustre color masterbatch molding lines is material modified, including following component by mass percentage: Extrusion blow level hdpe 50%~90%;Ldpe or lldpe 10%~50%.
The finger that melts of described extrusion blow level hdpe is 0.3~0.5g/10min;
Described extrusion blow level hdpe is preferably hdpe 5502.
The finger that melts of described ldpe or lldpe is 2~6g/10min;
Described ldpe is preferably ldpe 951000;
Described lldpe is preferably lldpe7042
Described extrusion blow level hdpe refers to extrusion blow level high-density polyethylene;Ldpe refers to Low Density Polyethylene;Lldpe refers to Linear low density polyethylene.
The concrete scheme of the present invention is as follows:
(1) selection of each component material
1. select a kind of conventional extrusion blow level high-density polyethylene (hdpe) material, melt finger 0.3~0.5g/10min, material Require good combination property, suitable extrusion and blow molding.The present invention selects hdpe 5502 as material of main part;
2. select a kind of Low Density Polyethylene (ldpe) material or linear low density polyethylene (lldpe) material, melt finger 2 ~6g/10min.The present invention selects ldpe 951000 as modifying agent.
Above material is all buied in market.
(2) formula of material and preparation () taking bilayer as a example
1. material prescription (ratio of each component material)
Outer layer: resin ratio: 100% (hdpe 5502:50%~90%, ldpe 951000:10%~50%)
Pearly-lustre color masterbatch ratio: 4% (different product pearly-lustre color masterbatch ratio is different)
Internal layer: resin ratio: 100%hdpe5502
Common color masterbatch ratio: 4% (different product color masterbatch ratio is different)
2. the preparation of material
Each component material is stirred mixing with dedicated mixer, or is prepared with automatic doser.
The above-mentioned internal layer mixing, cladding material are added in the corresponding hopper of blow moulding machine, finally mold outward appearance qualified Product.
Former: refined fine jade 4+4 bi-layered device
Technological parameter is arranged:
Outer layer extruder temperature: 165~175 DEG C;
Internal layer extruder temperature: 165~170 DEG C;
Die head temperature: 170~180 DEG C;
Internal layer screw speed: 20%~23%;
Outer layer screw speed: 8%~12%.
Described material modified the answering in improving pearly-lustre color masterbatch molding lines of hdpe improving pearly-lustre color masterbatch molding lines With.
The present invention, with respect to prior art, has such advantages as and effect:
(1) good to the pearly-lustre lines in molding, current mark improvement, improve production efficiency.
Ldpe melts finger, good fluidity higher than extrusion blow level hdpe, to the inorganic matters wettability in pearly-lustre color masterbatch preferably, favorably In diffusion in resin for the pearly-lustre color masterbatch, and ldpe strand side chain is more, longer, and intermolecular spacing is larger, is also beneficial to The diffusion of pearly-lustre color masterbatch.
After ldpe and hdpe blending, the mobility of material is improved, when through die head runner it is easier to pass through, Reduce the generation of current mark;Pearly-lustre color masterbatch becomes more preferable in the dispersibility of blend composition, when material is sheared, decreases lines Produce.
Greatly reduce pearly-lustre lines, current mark due to material modified, therefore do not need the part of die head all to tear open when producing Get off to clear up, only cup need to be pulled down and polish, so greatly reduce the time of cleaning die head part, improve production effect Rate.
(2) improve the glossiness of material, helpful to improving pearly-lustre lines, current mark.
The glossiness of ldpe preferably, after hdpe blending, increased the glossiness of material, in the lustrous surface keeping product While property, can suitably reduce the thickness of outer layer (i.e. pearl layer), after the thickness of pearl layer is thinning, be also beneficial to lines and stream The minimizing of trace.In addition, the thinning consumption that can reduce pearly-lustre color masterbatch of pearl layer, reduce material cost.
(3) do not increase production cost, do not affect properties of product.
Ldpe used in the present invention belongs to conventional material, and material price is very nearly the same with hdpe, and ldpe and hdpe is compatible Property is good, no particular/special requirement during processing, therefore will not increase the production cost of product;
Ldpe mechanical property is weaker, but because blend composition is only used in outer layer (pearl layer), therefore ldpe is shared in the product Ratio is less, and the physical property of product is no significantly affected.
Brief description
Fig. 1 is the result of the material modified improvement to current mark of hdpe of embodiment 2.
Fig. 2 is the result of the material modified improvement to lines of hdpe of embodiment 3.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention do not limit In this.
Embodiment with 80ml container bottle, as a example double-layer coextrusion molding.
Former: refined fine jade 4+4 bi-layered device
Embodiment 1:
(1) outer layer: 90 parts of hdpe5502,10 parts of ldpe951000,4 parts of pearly-lustre color masterbatch are each weighed up, then It is put into blender, stir 5 minutes;
Internal layer: 100 parts of hdpe5502,4 parts of common color masterbatch each weighs up, is then put into blender, stirs 5 points Clock.
(2) internal layer mixing, cladding material are added in the corresponding hopper of blow moulding machine.
(3) technological parameter setting:
Outer layer extruder temperature: 170~175 DEG C;
Internal layer extruder temperature: 165~170 DEG C;
Die head temperature: 170~180 DEG C;
Internal layer screw speed: 22%
Outer layer screw speed: 12%
Finally mold the qualified product of outward appearance.
Embodiment 2:
(1) outer layer: 75 parts of hdpe5502,25 parts of ldpe951000,4 parts of pearly-lustre color masterbatch are each weighed up, then It is put into blender, stir 5 minutes;
Internal layer: 100 parts of hdpe5502,4 parts of common color masterbatch each weighs up, is then put into blender, stirs 5 points Clock.
(2) internal layer mixing, cladding material are added in the corresponding hopper of blow moulding machine.
(3) technological parameter setting:
Outer layer extruder temperature: 170~175 DEG C;
Internal layer extruder temperature: 165~170 DEG C;
Die head temperature: 170~175 DEG C;
Internal layer screw speed: 20%
Outer layer screw speed: 10%
Finally mold the qualified product of outward appearance.
Fig. 1 is the material modified improvement to current mark of hdpe of the present embodiment, sees circle position, before improvement, product shoulder has stream Trace, leads to surface irregularity;Shoulder surfacing after improvement, smooth.
Embodiment 3:
(1) outer layer: 50 parts of hdpe5502,50 parts of lldpe7042,4 parts of pearly-lustre color masterbatch are each weighed up, Ran Houfang To blender, stir 5 minutes;
Internal layer: 100 parts of hdpe5502,4 parts of common color masterbatch each weighs up, is then put into blender, stirs 5 points Clock.
(2) internal layer mixing, cladding material are added in the corresponding hopper of blow moulding machine.
(3) technological parameter setting:
Outer layer extruder temperature: 165~170 DEG C;
Internal layer extruder temperature: 165~170 DEG C;
Die head temperature: 170~175 DEG C;
Internal layer screw speed: 23%
Outer layer screw speed: 8%
Finally mold the qualified product of outward appearance.
Fig. 2 is the material modified improvement to lines of hdpe of the present embodiment, sees circle position, before improvement product surface have bright Aobvious lines, lead to glossiness to decline;After improvement, lines disappear, and glossiness improves.
The hdpe of embodiment 1 is material modified equally to achieve the improvement to current mark, shoulder surfacing after improvement, smooth; Improvement to lines, after improvement, lines disappear, and glossiness improves.
The product surface glossiness of above-described embodiment gained is high, the no defect such as lines, current mark, and mechanical property and feature accord with Close customer requirement.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not subject to above-described embodiment Limit, other any spirit without departing from the present invention and the change made under principle, modification, replacement, combine, simplify, All should be equivalent substitute mode, be included within protection scope of the present invention.

Claims (9)

1. a kind of hdpe improving pearly-lustre color masterbatch molding lines material modified it is characterised in that include following by mass percentage Component: extrusion blow level hdpe 50%~90%;Ldpe or lldpe 10%~50%.
2. the hdpe improving pearly-lustre color masterbatch molding lines according to claim 1 material modified it is characterised in that: described The finger that melts of extrusion blow level hdpe is 0.3~0.5g/10min.
3. the hdpe improving pearly-lustre color masterbatch molding lines according to claim 1 and 2 material modified it is characterised in that: institute Extrusion blow level hdpe stated is hdpe 5502.
4. the hdpe improving pearly-lustre color masterbatch molding lines according to claim 1 material modified it is characterised in that: described The finger that melts of ldpe or lldpe is 2~6g/10min.
5. according to claim 1 or 4 improve pearly-lustre color masterbatch molding lines hdpe material modified it is characterised in that: institute The ldpe stating is ldpe 951000.
6. according to claim 1 or 4 improve pearly-lustre color masterbatch molding lines hdpe material modified it is characterised in that: institute The lldpe stating is lldpe7042.
7. the material modified using method of hdpe improving pearly-lustre color masterbatch molding lines described in any one of claim 1~6, its It is characterised by comprising the steps:
Outer layer: component ratio: 100%=hdpe 50%~90%+ldpe or lldpe 10%~50%;
Pearly-lustre color masterbatch ratio: 4%;
Internal layer: resin ratio: 100%hdpe;
Common color masterbatch ratio: 4%;
Each component material is stirred mixing with dedicated mixer, or is prepared with automatic doser;
The internal layer mixing, cladding material are added in the corresponding hopper of blow moulding machine, finally mold the qualified product of outward appearance.
8. the material modified using method of the hdpe improving pearly-lustre color masterbatch molding lines according to claim 7, its feature It is:
Former: refined fine jade 4+4 bi-layered device
Technological parameter is arranged:
Outer layer extruder temperature: 165~175 DEG C;
Internal layer extruder temperature: 165~170 DEG C;
Die head temperature: 170~180 DEG C;
Internal layer screw speed: 20%~23%;
Outer layer screw speed: 8%~12%.
9. the hdpe improving pearly-lustre color masterbatch molding lines described in any one of claim 1~6 material modified is improving pearly-lustre color Application in female molding lines.
CN201610737845.8A 2016-08-26 2016-08-26 HDPE modified material for improving pearly luster color masterbatch forming line and application of material Pending CN106366399A (en)

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CN201610737845.8A CN106366399A (en) 2016-08-26 2016-08-26 HDPE modified material for improving pearly luster color masterbatch forming line and application of material

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Application Number Priority Date Filing Date Title
CN201610737845.8A CN106366399A (en) 2016-08-26 2016-08-26 HDPE modified material for improving pearly luster color masterbatch forming line and application of material

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106905592A (en) * 2017-02-28 2017-06-30 浙江麦普拉新材料有限公司 Dispoable medical hole towel PE membrane materials and preparation method thereof
CN108527983A (en) * 2018-01-29 2018-09-14 上海矢创包装技术有限公司 A kind of plastic bottle and preparation method thereof of high bright, superpower pearly-lustre
CN111560132A (en) * 2020-06-22 2020-08-21 杭州迅美塑料制品有限责任公司 Degradable cosmetics outer packing plastic bottle

Citations (4)

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Publication number Priority date Publication date Assignee Title
US4943458A (en) * 1987-12-31 1990-07-24 Henkel Kommanditgesellschaft Auf Aktien Hollow plastic body having a glossy surface
US5712009A (en) * 1993-09-16 1998-01-27 Owens-Illinois Plastic Products Inc. Coextruded multilayer plastic container utilizing post consumer plastic
CN101432120A (en) * 2006-05-04 2009-05-13 乐思乐可斯公司 Preform and container for radiation-sensitive products and method for the production thereof
CN105121158A (en) * 2013-04-26 2015-12-02 宝洁公司 A glossy container

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
US4943458A (en) * 1987-12-31 1990-07-24 Henkel Kommanditgesellschaft Auf Aktien Hollow plastic body having a glossy surface
US5712009A (en) * 1993-09-16 1998-01-27 Owens-Illinois Plastic Products Inc. Coextruded multilayer plastic container utilizing post consumer plastic
CN101432120A (en) * 2006-05-04 2009-05-13 乐思乐可斯公司 Preform and container for radiation-sensitive products and method for the production thereof
CN105121158A (en) * 2013-04-26 2015-12-02 宝洁公司 A glossy container

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* Cited by examiner, † Cited by third party
Title
李青山等: "《LDPE/HDPE共混改进注塑制品性能的研究》", 《塑料工业》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106905592A (en) * 2017-02-28 2017-06-30 浙江麦普拉新材料有限公司 Dispoable medical hole towel PE membrane materials and preparation method thereof
CN108527983A (en) * 2018-01-29 2018-09-14 上海矢创包装技术有限公司 A kind of plastic bottle and preparation method thereof of high bright, superpower pearly-lustre
CN111560132A (en) * 2020-06-22 2020-08-21 杭州迅美塑料制品有限责任公司 Degradable cosmetics outer packing plastic bottle

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