CN103819800B - A kind of minimizing blowing pail pack and preparation method thereof - Google Patents
A kind of minimizing blowing pail pack and preparation method thereof Download PDFInfo
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- CN103819800B CN103819800B CN201410087722.5A CN201410087722A CN103819800B CN 103819800 B CN103819800 B CN 103819800B CN 201410087722 A CN201410087722 A CN 201410087722A CN 103819800 B CN103819800 B CN 103819800B
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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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)
- Compositions Of Macromolecular Compounds (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Abstract
The present invention provides a kind of minimizing blowing pail pack and preparation method thereof, it is prepared from by the raw material of following parts by weight: high density polyethylene (HDPE) 100 parts, epoxidized linseed oil 1.5 2.5 parts, UV absorbent 0.1 0.3 parts, calcium stearate 0.5 1 parts, powder nbr rubber 0.5 2 parts, primary antioxidant 0.06 0.09 parts, auxiliary antioxidant 0.08 0.1 parts, additionally provides the preparation method of above-mentioned minimizing blowing pail pack, introduces hollow blow molding parison multiple spot Wall Thickness Control System.The present invention has the advantage that with good effect: improve the thermostability of product, increasing tougheness, non-oxidizability, it is achieved that production minimizing, it is ensured that end article has the more uniform wall thickness of ratio, reduces materials, reduces product weight, reduces the pollution to environment.
Description
Technical field
The invention belongs to blow molded plastic field, especially relate to a kind of minimizing blowing pail pack and preparation thereof
Method.
Background technology
Packaging is one of topmost application of plastic material, particularly for thermoplastic, and bag
The demand of dress industry and development, directly change or guide plastic material manufacture and the development side of process technology
To.On the whole, current plastic package material and goods are mainly faced with huge pressure at three aspects
Power: one is the performance improving goods, as increased material and the transparency of goods, thermostability, mechanical strength
With barrier etc.；Two is from the pressure in terms of environmental conservation；Three is the pressure reducing cost.Three
The result that aspect mutually restricts, interact is, except indivedual occasions, only to reach in terms of these three
The material compromised and goods are become just to have the market space of maximum.The progress that demand always motivates technical transformation of the factory with financial strength, and skill
The miracle of super quality and competitive price is constantly created in art progress, a lot of materials that prices are high in the past, the most because of
Make cost decline on a large scale for large-scale production.
For adapting to the requirement of New Times, plastic package material is except requiring to meet market to packaging quality sum
Outside the requirement that amount etc. improves day by day, its development must save the energy to save resource, by rear easy recovery profit
With, easily dispose or dissolved by easy environment or be degraded to the starting point of technological development.Come from predominant plastics kind
Seeing, in plastics package field, the consumption of high density polyethylene (HDPE) will continue steady growth, new material, newly
Technique, new technique, new product continue to bring out, and forward high-performance, multi-functional, active adoption new raw material,
New technique, widen application and plastics package and develop with environmental protection harmony developing direction.
Along with development and the technological progress of industry, in order to meet market demand, product is constantly brought forth new ideas.Product
Developing direction mainly: a), maximize, develop the drum of more than 200 liters；B), thin-walled and light
Quantify, to reduce feed consumption；C), development functional product meets different demand.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of minimizing blowing pail pack and preparation method thereof, at joint
The most raw-material improve the thermostability of product, increasing tougheness, non-oxidizability, it is ensured that end article has ratio simultaneously
More uniform wall thickness, reduces materials, reduces product weight.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of minimizing blowing packaging
Bucket, is prepared from by the raw material of following parts by weight: high density polyethylene (HDPE) 100 parts, epoxidized linseed oil
1.5-2.5 part, UV absorbent 0.1-0.3 part, calcium stearate 0.5-1 part, powder nbr rubber 0.5-2
Part, primary antioxidant 0.06-0.09 part, auxiliary antioxidant 0.08-0.1 part.
Preferably, described UV absorbent is Octabenzone；Primary antioxidant
For antioxidant 1010；Auxiliary antioxidant is dilauryl thiodipropionate.
The present invention also provide for a kind of minimizing blowing pail pack preparation method:
(1) by high density polyethylene (HDPE) weigh be placed in blender, be initially charged the epoxidized linseed oil after metering,
UV absorbent, calcium stearate and powder nbr rubber, regulate blender rotating speed, temperature, and mixing is stirred
Mix 10 minutes, add the antioxidant after metering and auxiliary antioxidant, regulate blender rotating speed, temperature,
Mix and blend 10 minutes, is mixed into compound；
(2) compound is placed in conical double screw extruder hopper, controls conical double screw extruder
Barrel temperature and die head temperature, extrusion plasticizing becomes particulate material；
(3) particulate material is placed in extrusion System of Hollow Blow Shaping Machine hopper, controls extrusion hollow blow molding and become
Type machine die head temperature, extrudes tubular blank；
(4) tubular blank is put in extrusion System of Hollow Blow Shaping Machine mould, regulate hollow blow molding parison
Multiple spot Wall Thickness Control System, controls mould chilling temperature and compressed air pressure；
(5) hollow is blow molded into Plastic Drum；
(6) use Thermal-printing Technology that bucket outer wall is decorated.
Preferably, in described step (1), high density polyethylene (HDPE) is weighed and is placed in blender, first add
Entering epoxidized linseed oil, UV absorbent, calcium stearate and the powder nbr rubber after metering, regulation is stirred
The machine rotating speed of mixing is 5-6m/s, temperature is 30-45 DEG C, mix and blend 10 minutes, adds resisting after metering
Oxygen agent and auxiliary antioxidant, regulation blender rotating speed is 4-5m/s, temperature is 50-70 DEG C, mix and blend
10 minutes, it is mixed into compound.
Preferably, in described step (2), described barrel temperature is set to: 120-125 DEG C of a district, and two
128-135 DEG C of district, three 130-135 DEG C of districts, four 130-135 DEG C of districts, five 125-130 DEG C of districts, six district 120-125
DEG C, die head 115-120 DEG C.
Preferably, in described step (3), described die head temperature is 118-125 DEG C.
Preferably, in described step (4), described mould chilling temperature is 25-34 DEG C, compressed air pressure
Power 0.6-0.7MPa.
Preferably, in described step (2), described conical double screw extruder barrel is seven joint cylinder knots
Structure, Section of seven cylinder is die head.
Preferably, in described step (4), described hollow blow molding parison multiple spot Wall Thickness Control System is axle
To wall thickness digital hydraulic servo-control system, use 64 parison wall thickness control.
The present invention has the advantage that with good effect:
1, epoxidized linseed oil, UV absorbent, calcium stearate and powder nbr rubber are according to described ratio
After example is blended, the thermostability of product, increasing tougheness can be given；
2, primary antioxidant is used in combination with auxiliary antioxidant, can strengthen the antioxidant effect of product；
3, take substep batch mixing, and by controlling rotating speed and the temperature of blender, be greatly improved product
Thermostability and increasing tougheness；
4, hollow blow molding parison multiple spot Wall Thickness Control System is installed additional, it is ensured that end article has ratio more uniform
Wall thickness, reduces materials, reduces product weight；The most prominent advantage of electrohydraulic servo system be in response to speed high,
Output is big and to control accuracy high, product wall thickness control precision can be reached ± 0.6mm in the range of,
Realize minimizing to produce.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be described in detail.
Embodiment 1
The present invention provides a kind of minimizing blowing pail pack and preparation method thereof, including following technique step
Rapid:
(1) 100 parts of high density polyethylene (HDPE)s weighings are placed in blender, are initially charged the epoxy of 1.5 parts
Oleum lini, the Octabenzone of 0.1 part, the calcium stearate of 1 part, the fourth of 2 parts
Nitrile powdered rubber, regulation blender rotating speed is 5m/s, temperature is 30 DEG C, mix and blend 10 minutes, then
Adding the antioxidant 1010 of 0.09 part and the dilauryl thiodipropionate of 0.08 part, regulation blender turns
Speed is 70 DEG C for 4m/s, temperature, and mix and blend 10 minutes is mixed into compound；
(2) being placed in by compound in conical double screw extruder hopper, barrel is seven joint tube structures,
Section seven, cylinder is die head, and barrel temperature is set to: 120 DEG C of a district, two 128 DEG C of districts, three districts 130
DEG C, four 130 DEG C of districts, five 125 DEG C of districts, six 120 DEG C of districts, die head 115 DEG C.Extrusion plasticizing becomes particulate material；
(3) particulate material being placed in extrusion System of Hollow Blow Shaping Machine hopper, controlling its die head temperature is 118
DEG C, extrude tubular blank；
(4) tubular blank is put in extrusion System of Hollow Blow Shaping Machine mould, regulate 64 system of parison wall thickness
The axial wall thickness digital hydraulic servo-control system controlled, mould chilling temperature is set to 25 DEG C, pressure
Contracting air pressure is set to 0.6MPa；
(5) hollow is blow molded into Plastic Drum；
(6) use Thermal-printing Technology that bucket outer wall is decorated.
Embodiment 2
The present invention provides a kind of minimizing blowing pail pack and preparation method thereof, including following technique step
Rapid:
(1) 100 parts of high density polyethylene (HDPE)s weighings are placed in blender, are initially charged the epoxy of 2.5 parts
Oleum lini, the Octabenzone of 0.3 part, the calcium stearate of 0.5 part, 0.5 part
Powder nbr rubber, regulation blender rotating speed is 6m/s, temperature is 45 DEG C, mix and blend 10 minutes,
Add antioxidant 1010 and the dilauryl thiodipropionate of 0.1 part, the regulation blender of 0.06 part
Rotating speed is 5m/s, temperature is 50 DEG C, mix and blend 10 minutes, is mixed into compound；
(2) being placed in by compound in conical double screw extruder hopper, barrel is seven joint tube structures,
Section seven, cylinder is die head, and barrel temperature is set to: 125 DEG C of a district, two 135 DEG C of districts, three districts 135
DEG C, four 135 DEG C of districts, five 130 DEG C of districts, six 125 DEG C of districts, die head 120 DEG C.Extrusion plasticizing becomes particulate material；
(3) particulate material being placed in extrusion System of Hollow Blow Shaping Machine hopper, controlling its die head temperature is 125
DEG C, extrude tubular blank；
(4) tubular blank is put in extrusion System of Hollow Blow Shaping Machine mould, regulate 64 system of parison wall thickness
The axial wall thickness digital hydraulic servo-control system controlled, mould chilling temperature is set to 34 DEG C, pressure
Contracting air pressure is set to 0.7MPa；
(5) hollow is blow molded into Plastic Drum；
(6) use Thermal-printing Technology that bucket outer wall is decorated.
Embodiment 3
The present invention provides a kind of minimizing blowing pail pack and preparation method thereof, including following technique step
Rapid:
(1) 100 parts of high density polyethylene (HDPE)s weighings being placed in blender, the epoxy being initially charged 2 parts is sub-
Oleum Sesami, the Octabenzone of 0.2 part, the calcium stearate of 0.8 part, the butyronitrile of 1 part
Powdered rubber, regulation blender rotating speed is 5m/s, temperature is 40 DEG C, mix and blend 10 minutes, then adds
Enter antioxidant 1010 and the dilauryl thiodipropionate of 0.09 part, the regulation blender rotating speed of 0.08 part
It is 60 DEG C for 5m/s, temperature, mix and blend 10 minutes, it is mixed into compound；
(2) being placed in by compound in conical double screw extruder hopper, barrel is seven joint tube structures,
Section seven, cylinder is die head, and barrel temperature is set to: 123 DEG C of a district, two 130 DEG C of districts, three districts 134
DEG C, four 134 DEG C of districts, five 128 DEG C of districts, six 122 DEG C of districts, die head 117 DEG C.Extrusion plasticizing becomes particulate material；
(3) particulate material being placed in extrusion System of Hollow Blow Shaping Machine hopper, controlling its die head temperature is 120
DEG C, extrude tubular blank；
(4) tubular blank is put in extrusion System of Hollow Blow Shaping Machine mould, regulate 64 system of parison wall thickness
The axial wall thickness digital hydraulic servo-control system controlled, mould chilling temperature is set to 30 DEG C, pressure
Contracting air pressure is set to 0.7MPa；
(5) hollow is blow molded into Plastic Drum；
(6) use Thermal-printing Technology that bucket outer wall is decorated.
Embodiment 4
The present invention provides a kind of minimizing blowing pail pack and preparation method thereof, including following technique step
Rapid:
(1) 100 parts of high density polyethylene (HDPE)s weighings are placed in blender, are initially charged the epoxy of 1.8 parts
Oleum lini, the Octabenzone of 0.25 part, the calcium stearate of 0.7 part, 1.5 parts
Powder nbr rubber, regulation blender rotating speed be 6m/s, temperature be 42 DEG C, mix and blend 10 minutes,
Add antioxidant 1010 and the dilauryl thiodipropionate of 0.1 part, the regulation blender of 0.07 part
Rotating speed is 5m/s, temperature is 65 DEG C, mix and blend 10 minutes, is mixed into compound；
(2) being placed in by compound in conical double screw extruder hopper, barrel is seven joint tube structures,
Section seven, cylinder is die head, and barrel temperature is set to: 122 DEG C of a district, two 129 DEG C of districts, three districts 133
DEG C, four 133 DEG C of districts, five 129 DEG C of districts, six 121 DEG C of districts, die head 116 DEG C.Extrusion plasticizing becomes particulate material；
(3) particulate material being placed in extrusion System of Hollow Blow Shaping Machine hopper, controlling its die head temperature is 122
DEG C, extrude tubular blank；
(4) tubular blank is put in extrusion System of Hollow Blow Shaping Machine mould, regulate 64 system of parison wall thickness
The axial wall thickness digital hydraulic servo-control system controlled, mould chilling temperature is set to 28 DEG C, pressure
Contracting air pressure is set to 0.6MPa；
(5) hollow is blow molded into Plastic Drum；
(6) use Thermal-printing Technology that bucket outer wall is decorated.
The effect of the axial wall thickness control technology in the present invention is so that the plastic parison of extrusion is according to goods
Different blow-up ratios obtains different thickness vertically, thus ensures that end article has than more uniform wall
Thickness, reduces materials, reduces product weight；The most prominent advantage of electrohydraulic servo system be in response to speed high,
Output is big and to control accuracy high, product wall thickness control precision can be reached ± 0.6mm in the range of.
Conventional bucket net weight such as 4L lubricating oil blowing pail pack is 240g, and use in the present embodiment 1 is former
Material and technique, can control at 180g by net weight, can save polyethylene raw material 60g, thus save oil
Resource 360g, reduces CO2 emission 180g, it is achieved that production minimizing.By add
Various modifying agent, substantially increase the thermostability of pail pack, increasing tougheness, non-oxidizability, make the pail pack can
Bear 90 pounds of pressure above, and satisfied 1.8 meters of height drum head fall real down with 1 meter of bunghole part down
Testing, combination property meets without damaged, the standard-required of the lid that do not jumps.
According to the raw material in embodiment 2～4 and technique, the fluctuating 180 of the net weight of pail pack ±
5g, can save polyethylene raw material 60 ± 5g, thus save petroleum resources 340～380g, reduces dioxy
Change carbon emission 180 ± 5g, also meet the every prescription of the product in embodiment 1 simultaneously.
Above four embodiments of the present invention are described in detail, but described content has been only the present invention's
Preferred embodiment, it is impossible to be considered the practical range for limiting the present invention.All according to the present patent application scope
Impartial change and the improvement etc. made, within all should still belonging to the patent covering scope of the present invention.
Claims (4)
1. the preparation method of a minimizing blowing pail pack, it is characterised in that: include following technique step
Rapid:
(1) high density polyethylene (HDPE) weighing 100 parts is placed in blender, is initially charged the epoxy after metering
Oleum lini 1.5-2.5 part, Octabenzone 0.1-0.3 part, calcium stearate 0.5-1
Part and powder nbr rubber 0.5-2 part, regulation blender rotating speed is 5-6m/s, temperature is 30-45 DEG C, mixed
Close stirring 10 minutes, add the antioxidant 1010 of the 0.06-0.09 part after metering and 0.08-0.1 part
Dilauryl thiodipropionate, regulation blender rotating speed is 4-5m/s, temperature is 50-70 DEG C, and mixing is stirred
Mix 10 minutes, be mixed into compound；
(2) compound is placed in conical double screw extruder hopper, controls conical double screw extruder
Barrel temperature and die head temperature, extrusion plasticizing becomes particulate material, described barrel temperature to be set to: a district
120-125 DEG C, two 128-135 DEG C of districts, three 130-135 DEG C of districts, four 130-135 DEG C of districts, five district 125-130
DEG C, six 120-125 DEG C of districts, die head temperature is set to 115-120 DEG C；
(3) particulate material is placed in extrusion System of Hollow Blow Shaping Machine hopper, controls extrusion hollow blow molding and become
Type machine die head temperature, die head temperature is 118-125 DEG C, extrudes tubular blank；
(4) tubular blank is put in extrusion System of Hollow Blow Shaping Machine mould, regulate hollow blow molding parison
Multiple spot Wall Thickness Control System, controls mould chilling temperature and compressed air pressure；
(5) hollow is blow molded into Plastic Drum；
(6) use Thermal-printing Technology that bucket outer wall is decorated.
The preparation method of minimizing the most according to claim 1 blowing pail pack, it is characterised in that:
In described step (4), described mould chilling temperature is 25-34 DEG C, compressed air pressure 0.6-0.7MPa.
3. the preparation method of minimizing blowing pail pack as claimed in claim 1 or 2, its feature exists
In: in described step (2), described conical double screw extruder barrel is seven joint tube structures, the 7th
Joint cylinder is die head.
4. the preparation method of minimizing blowing pail pack as claimed in claim 3, it is characterised in that:
In described step (4), described hollow blow molding parison multiple spot Wall Thickness Control System is axial wall thickness digitized
Hydraulic servo control system, uses 64 parison wall thickness control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410087722.5A CN103819800B (en) | 2014-03-11 | 2014-03-11 | A kind of minimizing blowing pail pack and preparation method thereof |
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| CN201410087722.5A CN103819800B (en) | 2014-03-11 | 2014-03-11 | A kind of minimizing blowing pail pack and preparation method thereof |
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| CN103819800B true CN103819800B (en) | 2017-01-04 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105059645A (en) * | 2015-07-07 | 2015-11-18 | 句容市三圆制桶有限公司 | Plastic barrel production technology |
| CN105646990A (en) * | 2016-04-08 | 2016-06-08 | 苏州锦腾电子科技有限公司 | Heat-resisting composition for transparent packaging material |
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| CN1132221A (en) * | 1995-03-28 | 1996-10-02 | 四川联合大学 | Wearability high density polyethylene-elastomer compsn. and its prepn. method |
| CN1370800A (en) * | 2002-03-08 | 2002-09-25 | 贵州省工程复合材料中心 | Application method of fire-retardant high-strength blow moulded polyethyene material |
| CN101138885A (en) * | 2007-10-17 | 2008-03-12 | 华南理工大学 | Extrusion-blow molding product wall thickness intelligentized control system and control method thereof |
| CN102765184A (en) * | 2012-07-31 | 2012-11-07 | 东莞大同塑料制品有限公司 | Model model forming process |
| CN102816366A (en) * | 2012-08-15 | 2012-12-12 | 中国第一汽车股份有限公司 | Special high rigidity and weathering resistance automotive blow molding urea container material |
| CN103289169A (en) * | 2013-06-21 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Modified high-density-polyethylene composite |
| CN103396595A (en) * | 2013-07-12 | 2013-11-20 | 安徽安远塑胶股份有限公司 | Anti-aging flame-retardant plastic and preparation method thereof |
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2014
- 2014-03-11 CN CN201410087722.5A patent/CN103819800B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132221A (en) * | 1995-03-28 | 1996-10-02 | 四川联合大学 | Wearability high density polyethylene-elastomer compsn. and its prepn. method |
| CN1370800A (en) * | 2002-03-08 | 2002-09-25 | 贵州省工程复合材料中心 | Application method of fire-retardant high-strength blow moulded polyethyene material |
| CN101138885A (en) * | 2007-10-17 | 2008-03-12 | 华南理工大学 | Extrusion-blow molding product wall thickness intelligentized control system and control method thereof |
| CN102765184A (en) * | 2012-07-31 | 2012-11-07 | 东莞大同塑料制品有限公司 | Model model forming process |
| CN102816366A (en) * | 2012-08-15 | 2012-12-12 | 中国第一汽车股份有限公司 | Special high rigidity and weathering resistance automotive blow molding urea container material |
| CN103289169A (en) * | 2013-06-21 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Modified high-density-polyethylene composite |
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| CN103819800A (en) | 2014-05-28 |
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