CN103571026A - Aging-resistant polyethylene resin specially used for rotational moulding, and preparation method thereof - Google Patents

Aging-resistant polyethylene resin specially used for rotational moulding, and preparation method thereof Download PDF

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Publication number
CN103571026A
CN103571026A CN201210253371.1A CN201210253371A CN103571026A CN 103571026 A CN103571026 A CN 103571026A CN 201210253371 A CN201210253371 A CN 201210253371A CN 103571026 A CN103571026 A CN 103571026A
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rotational moulding
resin
ageing
preparation
low density
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陈枫
阚林
徐振明
柏基业
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China Petroleum and Chemical Corp
Sinopec Yangzi Petrochemical Co Ltd
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China Petroleum and Chemical Corp
Sinopec Yangzi Petrochemical Co Ltd
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    • C08K5/00—Use of organic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C—CHEMISTRY; METALLURGY
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K5/20—Carboxylic acid amides
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3472—Five-membered rings
    • C08K5/3475—Five-membered rings condensed with carbocyclic rings
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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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Abstract

The invention discloses an aging-resistant polyethylene resin specially used for rotational moulding, and a preparation method thereof. The preparation method comprises following steps: 0.15 to 0.3wt% of a light stabilizer, 0.05 to 0.2wt% of an anti-oxidant, 0.02 to 0.1wt% of a halogen absorbent, and 0.05 to 0.15wt% of a rheology modifier are added into linear low density polyethylene powder resin; and the mixture is granulated and packaged so as to obtain the aging-resistant polyethylene resin specially used for rotational moulding. The aging-resistant polyethylene resin specially used for rotational moulding possesses relatively high resin uniformity, thermo stability and rigid-tough balance, and also processes excellent ultraviolet aging resistance and rotational moulding processability.

Description

Special-purpose polyvinyl resin of a kind of ageing-resistant rotational moulding and preparation method thereof
Technical field
The invention belongs to technical field of polymer materials, be specifically related to special-purpose polyvinyl resin of a kind of ageing-resistant rotational moulding and preparation method thereof.This resin can be used for producing rotomoulded articles, as moulding toy, various basin, storage tank, work box, rubbish container, consumer appliance, various presentation device, paddle, various traffic signs etc.
Background technology
Rotational moulding is a kind of processing method of hollow plastic product moulding, claims again rotational molding.With respect to injection moulding and blow moulding process, the outstanding advantages of rotational moulding shows equipment and mold less investment, is applicable to the production of medium-and-large-sized and complex-shaped plastics, and product is internal stress free and not yielding etc. almost.As a kind of emerging plastic shaping method, rotational moulding in recent years just causes attracting attention of plastic working industry with surprising rate of growth.2007 Nian， China rotational moulding LLDPE raw material total quantity consumeds surpass 50,000 tons, and the market consumption of 2008 Nian， China LLDPE rotational moulding material approaches 100,000 tons.
In the U.S., rotation molding be take working motion equipment and toy as main, also has in addition container, trolley part etc.; In Europe, rotation molding is mainly used in industry and agriculture articles for use, trolley part, traffic articles for use etc.Present situation and development from domestic rotational moulding industry, due to the domestic domestic demand that pulls, rotomoulded articles has numerous use client and potential customers in fields such as automobile accessories, coordinated with agricultural machinery, production and use of marsh gas utilization, chemical anticorrosion storage and transportation, food and logistics packaging, fishery cultivating, amusement of children facility and health and fitness facilities, military articles for use, minitype ships, therefore, domestic rotational moulding market will increase sustainedly and stably, the growth space of rotational moulding PP Pipe Compound is very huge, and tool has been widely used and application prospect.
Because rotomoulded articles is used for open air, need excellent anti-ultraviolet aging.At present, deficient, the ageing-resistant LLDPE resin grade that also there is no rotational moulding special use of rotational moulding PP Pipe Compound on domestic market, rotational moulding producer adopts blending photostabilizer in polyvinyl resin to carry out rotational moulding production conventionally, to reach ageing-resistant object, but the over-all properties of this blend composition and resin homogeneity are poor.
Summary of the invention
The invention provides special-purpose polyvinyl resin of ageing-resistant rotational moulding of a kind of over-all properties and good processability and preparation method thereof.
The special-purpose polyvinyl resin of this ageing-resistant rotational moulding the present invention relates to, take linear low density polyethylene as base-material, contain photostabilizer, oxidation inhibitor, halogen-absorber and rheology modifier, the weight of linear low density polyethylene of take is benchmark, and the content of these components is as follows:
Photostabilizer content: 0.15-0.3wt%;
Antioxidant content: 0.05-0.2wt%;
Halogen-absorber content: 0.02-0.1wt%;
Rheology modified agent content: 0.05-0.15wt%;
Described photostabilizer be selected from benzophenone, benzotriazole, acrylonitrile derivative, triazine one or more with the composite mixture of arbitrary proportion;
Described oxidation inhibitor be selected from phenol, phosphorous acid ester, triazine one or more with the composite mixture of arbitrary proportion; Described halogen-absorber is a kind of in calcium stearate, Zinic stearas, synthetic hydrotalcite; Described rheology modifier is fatty acid amide.
The special-purpose polyvinyl resin of ageing-resistant rotational moulding of the present invention, its density is 0.920～0.940g/10cm3, and melt flow rate (MFR) is 2～10g/10min, and ageing resistance by ultraviolet light rank reaches UV-6 level.
The manufacturing processed of the special-purpose polyvinyl resin of this ageing-resistant rotational moulding is: photostabilizer, oxidation inhibitor, halogen-absorber, several auxiliary agents of rheology modifier are carried out to mechanically mixing by adding proportion, after mixing, by screw rod, carry continuously, by the metering of metering pound, be mixed in linear low density polyethylene powder, then pass through screw rod granulation, after packing, obtain the special-purpose polyvinyl resin of ageing-resistant rotational moulding.
The preparation method of aforementioned linear low density polyethylene is: on Unipol gas phase process polyethylene device, it is raw material that the volume of ethylene mark of take reaches 99.9% highly purified ethylene gas, 1-butylene or 1-hexene are comonomer, wherein the interpolation molar ratio of 1-butylene or 1-hexene and ethene is 0.120-0.180, hydrogen is chain-transfer agent, adopt effective catalyst SLC-S, promotor diethylaluminum chloride (hereinafter to be referred as DC) and tri-n-hexyl aluminum (hereinafter to be referred as T3), under the condition of 95 ℃ ± 5 ℃ of service temperatures, pressure 2.2 ± 0.2MPa, carry out vapour phase polymerization.
In the patent < of patent No. ZL98110609.9 < catalyst S LC-S > >, mention, catalyst S LC-S, containing the slurry catalyst of 25-30% solid among special mineral oil, it is the Mg-Ti catalyzer that does not need to make of unformed silica gel carrier, be used for replacing conventional solid catalyzer, the LLDPE/MDPE of production narrow molecular weight distributions and HDPE in gas-phase fluidized-bed polyethylene process, its catalytic activity is 4 times of conventional solid catalyzer.
The special-purpose polyvinyl resin of ageing-resistant rotational moulding of the present invention, not only has good resin homogeneity, thermostability and rigid-tough balance, and has outstanding resistance to UV aging and rotational moulding processibility.
Specific embodiment 1
Polymerization process condition:
Project Parameter values
Temperature of reaction (℃) 90
Reaction pressure (MPa) 2.0
Ethylene partial pressure (MPa) 0.82
Hydrogen/ethene (mol/mol) 0.260
Butylene/ethene (mol/mol) 0.130
Catalyst/resin (kg/Mkg) 0.085
Promotor DC/T3 (mol/mol) 30/30
In 100 weight part linear low density polyethylene powder, add auxiliary agent proportioning:
Figure BDA00001910896100031
Light-stability agent benzophenone, oxidation inhibitor phenol, halogen-absorber calcium stearate, rheology modifier stearic amide carries out mechanically mixing by adding proportion, after mixing, by metering pound, by screw rod, carry continuously, by metering pound, 0.45/100 added in polyethylene powders by weight proportion, through forcing machine granulation, after packing, obtain the special-purpose polyvinyl resin of ageing-resistant rotational moulding, the PP Pipe Compound obtaining and like product are carried out to performance analysis contrast, comparative result is as follows.
Result comparison:
Figure BDA00001910896100032
Note: in table, control resin is the polyvinyl resin that current rotational moulding manufacturer adopts.
Specific embodiment 2:
Polymerization process condition:
Project Parameter values
Temperature of reaction (℃) 93
Reaction pressure (MPa) 2.3
Ethylene partial pressure (MPa) 0.69
Hydrogen/ethene (mol/mol) 0.158
Butylene/ethene (mol/mol) 0.180
Catalyst/resin (kg/Mkg) 0.085
Promotor DC/T3 (mol/mol) 40/30
In 100 weight account polyethylenes (PE), add auxiliary agent proportioning:
Figure BDA00001910896100041
Photostabilizer benzotriazole, oxidation inhibitor phosphorous acid ester, halogen-absorber Zinic stearas, rheology modifier amine hydroxybenzene carries out mechanically mixing by adding proportion, after mixing,, by screw rod, carry continuously, by metering pound, 0.47/100 be mixed in polyethylene powders by weight proportion, through forcing machine granulation, after packing, obtain the special-purpose polyvinyl resin of ageing-resistant rotational moulding, the PP Pipe Compound obtaining and like product are carried out to performance analysis contrast, comparative result is as follows.
Result comparison
Figure BDA00001910896100042
Note: in table, control resin is the polyvinyl resin that current rotational moulding manufacturer adopts.
Specific embodiment 3:
Polymerization process condition:
Project Parameter values
Temperature of reaction (℃) 100
Reaction pressure (MPa) 2.3
Ethylene partial pressure (MPa) 0.80
Hydrogen/ethene (mol/mol) 0.158
Butylene/ethene 0.150
Catalyst/resin (kg/Mkg) 0.085
Promotor DC/T3 (mol/mol) 30/30
In 100 weight account polyethylenes (PE), add auxiliary agent proportioning:
Figure BDA00001910896100051
Photostabilizer acrylonitrile derivative, oxidation inhibitor triazine, halogen-absorber Zinic stearas, rheology modifier erucicamide carries out mechanically mixing by adding proportion, after mixing, by screw rod, carry continuously, by metering pound, 0.6/100 be mixed in polyethylene powders by weight proportion, through forcing machine granulation, after packing, obtain the special-purpose polyvinyl resin of ageing-resistant rotational moulding, the PP Pipe Compound obtaining and like product are carried out to performance analysis contrast, and comparative result is as follows.
Result comparison:
Figure BDA00001910896100052
Specific embodiment 4:
Polymerization process condition:
Project Parameter values
Temperature of reaction (℃) 95
Reaction pressure (MPa) 2.1
Ethylene partial pressure (MPa) 0.84
Hydrogen/ethene (mol/mol) 0.260
Hexene/ethene (mol/mol) 0.120
Catalyst/resin (kg/Mkg) 0.085
Promotor DC/T3 (mol/mol) 30/30
In 100 weight account polyethylenes (PE), add auxiliary agent proportioning:
Figure BDA00001910896100061
Photostabilizer is benzophenone and benzotriazole one to one mixing, oxidation inhibitor phosphorous acid ester, halogen-absorber synthetic hydrotalcite, rheology modifier amine hydroxybenzene carries out mechanically mixing by adding proportion, after mixing, by screw rod, carry continuously, by metering pound, 0.55/100 be mixed in polyethylene powders by weight proportion, through forcing machine granulation, after packing, obtain the special-purpose polyvinyl resin of ageing-resistant rotational moulding, the PP Pipe Compound obtaining and like product are carried out to performance analysis contrast, and comparative result is as follows.
Result comparison:
Figure BDA00001910896100062
Specific embodiment 5:
Polymerization process condition:
Project Parameter values
Temperature of reaction (℃) 98
Reaction pressure (MPa) 2.4
Ethylene partial pressure (MPa) 0.84
Hydrogen/ethene (mol/mol) 0.260
Catalyst/resin (kg/Mkg) 0.085
Hexene/ethene (mol/mol) 0.160
Promotor DC/T3 (mol/mol) 30/30
In 100 weight account polyethylenes (PE), add auxiliary agent proportioning:
Light-stability agent benzophenone, oxidation inhibitor is that phosphorous acid ester and triazines oxidation inhibitor are with one to one mixing, halogen-absorber is calcium stearate, rheology modifier quadrol bis-stearamides is carried out mechanically mixing by adding proportion, after mixing, by screw rod, carry continuously, by metering pound, 0.54/100 be mixed in polyethylene powders by weight proportion, through forcing machine granulation, after packing, obtain the special-purpose polyvinyl resin of ageing-resistant rotational moulding, the PP Pipe Compound obtaining and like product are carried out to performance analysis contrast, and comparative result is as follows.
Result comparison:
Figure BDA00001910896100072

Claims (3)

1. the special-purpose polyvinyl resin of ageing-resistant rotational moulding, this resin be take linear low density polyethylene powder as base-material, it is characterized in that also containing in this resin photostabilizer, oxidation inhibitor, halogen-absorber and rheology modifier, the content of these components be take the weight of linear low density polyethylene powdex and is radix, specific as follows:
Photostabilizer content: 0.15-0.3 wt%;
Antioxidant content: 0.05-0.2 wt%;
Halogen-absorber content: 0.02-0.1 wt%;
Rheology modified agent content: 0.05-0.15wt%;
Described photostabilizer is selected from any or two or more with the composite mixture of arbitrary proportion of benzophenone, benzotriazole, acrylonitrile derivative, triazine;
Described oxidation inhibitor is selected from any or two or more with the composite mixture of arbitrary proportion of phenols, phosphorous acid esters, triazines oxidation inhibitor;
Described halogen-absorber is selected from any in calcium stearate, Zinic stearas, synthetic hydrotalcite;
Described rheology modifier is fatty acid amide.
2. the preparation method of the special-purpose polyvinyl resin of ageing-resistant rotational moulding claimed in claim 1, it is characterized in that comprising the steps: photostabilizer, oxidation inhibitor, halogen-absorber, several auxiliary agents of rheology modifier are carried out to mechanically mixing by adding proportion, after mixing, by screw rod, carry continuously, by the metering of metering pound, be mixed in linear low density polyethylene powder, then pass through screw rod granulation, after packing, obtain the special-purpose polyvinyl resin of ageing-resistant rotational moulding.
3. special-purpose polyvinyl resin of ageing-resistant rotational moulding according to claim 1 and 2 and preparation method thereof, the preparation method who it is characterized in that described linear low density polyethylene powder is: on Unipol gas phase process polyethylene device, it is raw material that the volume of ethylene mark of take reaches 99.9% ethylene gas, 1-butylene or 1-hexene are comonomer, the interpolation molar ratio of 1-butylene or 1-hexene and ethene is 0.120-0.180, hydrogen is chain-transfer agent, adopt catalyst S LC-S, promotor diethylaluminum chloride and tri-n-hexyl aluminum, 95 ℃ ± 5 ℃ of service temperatures, under the condition of pressure 2.2 ± 0.2MPa, carry out vapour phase polymerization, obtain linear low density polyethylene powder.
CN201210253371.1A 2012-07-20 2012-07-20 Aging-resistant polyethylene resin specially used for rotational moulding, and preparation method thereof Pending CN103571026A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104356494A (en) * 2014-10-10 2015-02-18 中国石油化工股份有限公司 Polyethylene material for rotational thermal forming and preparation method thereof
CN105585767A (en) * 2015-08-27 2016-05-18 浙江瑞堂塑料科技有限公司 Porous rotationally-molded product and preparation method thereof
CN106317584A (en) * 2015-06-29 2017-01-11 中国石油化工股份有限公司 Polyethylene resin and preparation method thereof
CN107345021A (en) * 2016-05-05 2017-11-14 中国石化扬子石油化工有限公司 A kind of special LLDPE compositions of silanes crosslinked cable and preparation method thereof
CN107365444A (en) * 2016-05-13 2017-11-21 中国石化扬子石油化工有限公司 A kind of film anti-static polyethylene composition and preparation method thereof
CN107540924A (en) * 2017-08-30 2018-01-05 中国石油化工股份有限公司 A kind of high glaze puncture-resistant linear polyethylene construct blow-molded
WO2018094085A1 (en) * 2016-11-18 2018-05-24 Equistar Chemicals, Lp Polyolefin materials for rotational molding applications having improved impact properties and color stability
CN108586874A (en) * 2018-05-10 2018-09-28 句容市百事特复合材料有限公司 A kind of modified rotational moulding composite material special
CN109535532A (en) * 2018-10-09 2019-03-29 中国石油化工股份有限公司 A kind of production method of 1- hervene copolymer linear polyethylene resin
CN109627368A (en) * 2017-10-09 2019-04-16 中国石油化工股份有限公司 A kind of production technology of polyethylene wire drawing material product
CN112341698A (en) * 2019-08-09 2021-02-09 中国石油化工股份有限公司 Assistant composition for rotational moulding resin, linear medium density polyethylene composition and polyethylene rotational moulding product
CN114426724A (en) * 2020-10-29 2022-05-03 中国石油化工股份有限公司 Preparation method of special material for linear low-density polyethylene cast film
CN114426719A (en) * 2020-10-29 2022-05-03 中国石油化工股份有限公司 Rotational molding polyethylene composition and preparation method and application thereof
CN116023571A (en) * 2021-10-25 2023-04-28 中国石油化工股份有限公司 Polyethylene for artificial grass, special material for artificial grass, and preparation method and application of special material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1223268A (en) * 1998-01-14 1999-07-21 中国石油化工集团公司 Slurry process total density polyvinyl high-efficiency catalyst
CN101693399A (en) * 2009-09-28 2010-04-14 徐春富 Method for composite rotational moulding of two different resins
CN102050978A (en) * 2009-11-02 2011-05-11 中国石油化工股份有限公司 Polyethylene composition for rotational moulding and preparation method of polyethylene composition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1223268A (en) * 1998-01-14 1999-07-21 中国石油化工集团公司 Slurry process total density polyvinyl high-efficiency catalyst
CN101693399A (en) * 2009-09-28 2010-04-14 徐春富 Method for composite rotational moulding of two different resins
CN102050978A (en) * 2009-11-02 2011-05-11 中国石油化工股份有限公司 Polyethylene composition for rotational moulding and preparation method of polyethylene composition

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104356494A (en) * 2014-10-10 2015-02-18 中国石油化工股份有限公司 Polyethylene material for rotational thermal forming and preparation method thereof
CN106317584B (en) * 2015-06-29 2018-12-11 中国石油化工股份有限公司 A kind of polyvinyl resin and preparation method thereof
CN106317584A (en) * 2015-06-29 2017-01-11 中国石油化工股份有限公司 Polyethylene resin and preparation method thereof
CN105585767A (en) * 2015-08-27 2016-05-18 浙江瑞堂塑料科技有限公司 Porous rotationally-molded product and preparation method thereof
CN107345021A (en) * 2016-05-05 2017-11-14 中国石化扬子石油化工有限公司 A kind of special LLDPE compositions of silanes crosslinked cable and preparation method thereof
CN107365444A (en) * 2016-05-13 2017-11-21 中国石化扬子石油化工有限公司 A kind of film anti-static polyethylene composition and preparation method thereof
WO2018094085A1 (en) * 2016-11-18 2018-05-24 Equistar Chemicals, Lp Polyolefin materials for rotational molding applications having improved impact properties and color stability
US10570270B2 (en) 2016-11-18 2020-02-25 Equistar Chemicals, Lp Polyolefin materials for rotational molding applications having improved impact properties and color stability
CN107540924A (en) * 2017-08-30 2018-01-05 中国石油化工股份有限公司 A kind of high glaze puncture-resistant linear polyethylene construct blow-molded
CN109627368A (en) * 2017-10-09 2019-04-16 中国石油化工股份有限公司 A kind of production technology of polyethylene wire drawing material product
CN108586874A (en) * 2018-05-10 2018-09-28 句容市百事特复合材料有限公司 A kind of modified rotational moulding composite material special
CN109535532A (en) * 2018-10-09 2019-03-29 中国石油化工股份有限公司 A kind of production method of 1- hervene copolymer linear polyethylene resin
CN112341698A (en) * 2019-08-09 2021-02-09 中国石油化工股份有限公司 Assistant composition for rotational moulding resin, linear medium density polyethylene composition and polyethylene rotational moulding product
CN114426724A (en) * 2020-10-29 2022-05-03 中国石油化工股份有限公司 Preparation method of special material for linear low-density polyethylene cast film
CN114426719A (en) * 2020-10-29 2022-05-03 中国石油化工股份有限公司 Rotational molding polyethylene composition and preparation method and application thereof
CN116023571A (en) * 2021-10-25 2023-04-28 中国石油化工股份有限公司 Polyethylene for artificial grass, special material for artificial grass, and preparation method and application of special material

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Application publication date: 20140212