CN110272575A - A kind of permanent type antistatic foaming polyethylene and preparation method thereof - Google Patents

A kind of permanent type antistatic foaming polyethylene and preparation method thereof Download PDF

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Publication number
CN110272575A
CN110272575A CN201910593497.5A CN201910593497A CN110272575A CN 110272575 A CN110272575 A CN 110272575A CN 201910593497 A CN201910593497 A CN 201910593497A CN 110272575 A CN110272575 A CN 110272575A
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parts
polyethylene
permanent type
type antistatic
foaming
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曹宏
黄太仲
孟立群
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Jinhua Huanya Packaging Co Ltd
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Jinhua Huanya Packaging Co Ltd
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Publication of CN110272575A publication Critical patent/CN110272575A/en
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C08J9/0023—Use of organic additives containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C08J9/0033—Use of organic additives containing sulfur
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066—Use of inorganic compounding ingredients
    • C08J9/0071—Nanosized fillers, i.e. having at least one dimension below 100 nanometers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2497/00—Characterised by the use of lignin-containing materials
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • 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
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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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
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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
    • C08K2201/00—Specific properties of additives
    • C08K2201/017—Additives being an antistatic agent
    • 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
    • C08K5/00—Use of organic ingredients
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    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
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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
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C08K5/42—Sulfonic acids; Derivatives thereof

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Abstract

The present invention relates to a kind of polyethylene foameds, disclose a kind of permanent type antistatic foaming polyethylene and preparation method thereof, it is made of the raw material below according to parts by weight: 130-152 parts of polyethylene, wooden sodium sulfonate 23-38 parts, 12-21 parts of nano-titanium dioxide, 10-18 parts of glycerine, 5-15 parts of detergent alkylate propane sulfonic acid ester.The present invention passes through the progress of inorganic and organic antistatic agents is compound, the hydrogen bond and surface functional group formed by the two is compound, forms antistatic agent functional group, can reach permanent antistatic effect, the antistatic property of foaming is effectively improved, polyethylene foam-material sheet resistance of the invention is between 105~109Between Ω, stood in use condition temperature 60 C, the baking oven of humidity 20%RH for 24 hours, product surface resistance stabilization does not change；It is no more than 20% using after 6 months, sheet resistance increases under normal condition.

Description

A kind of permanent type antistatic foaming polyethylene and preparation method thereof
Technical field
The present invention relates to a kind of polyethylene foameds, more particularly to a kind of permanent type antistatic foaming polyethylene and its preparation Method.
Background technique
Current conventional use of polyethylene foam-material antistatic method be prevent in the spraying of polyethylene foam-material surface it is quiet It is electro-hydraulic, provisional surface Low ESR effect is obtained, but since used property of raw material and polyethylene foam-material are special Different surface texture causes the antistatic property of material to be still difficult to solve to be influenced by temperature, humidity, and antistatic persistence is not grown The problem of.
The anti-static polyethylene foamed material of industry mainstream is to be added in common LDPE material containing anti-static function Master batch, then blended melting foams, so that polyethylene foam-material has certain antistatic property, obtains in buffering package field Certain application has been arrived, more application is especially obtained in terms of electronic product buffering package.
The preparation method of conventional addition antistatic master batch, determine the antistatic performance of polyethylene foam-material have with Under feature:
(1) surface impedance is high, up to 1010Ω or more, usually 1011Ω or so.
(2) it is affected by ambient humidity, when humidity is less than 50%, impedance is up to 1012Ω or more loses antistatic Function.
(3) antistatic persistence is not grown, and after using even standing for several weeks, polyethylene foam-material surface impedance is increased, Antistatic performance decline.
With the development of packaging industry, use of the polyethylene foam-material in all trades and professions is more universal, the material Production gradually to the provinces and cities such as Zhejiang, Shanghai, Shandong Directional Extension, market gradually expands, but in high-end packaging material side Face, the demand of high-performance polyethylene foamed material are still difficult to be met, high-performance especially antistatic with permanence Polyethylene foam-material is still difficult to meet the needs of high-end antistatic market at home or even in the world, and scientific and technological development is outstanding It is that high performance packaging material is badly in need of in the development of electronics industry, this is also the overall development demand of packaging industry.
Summary of the invention
The present invention problem bad for the antistatic property of polyethylene foamed in the prior art, provides a kind of permanent type Antistatic foaming polyethylene and preparation method thereof.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals:
A kind of permanent type antistatic foaming polyethylene, is made of: polyethylene 130-152 the raw material below according to parts by weight Part, wooden sodium sulfonate 23-38 parts, 12-21 parts of nano-titanium dioxide, 10-18 parts of glycerine, detergent alkylate propane sulfonic acid ester 5-15 Part.
Preferably, also added with monoglyceride 0.2-0.3 parts by weight and nanometer calcium carbonate 1-1.2 parts by weight in raw material.
A kind of preparation method of permanent type antistatic foaming polyethylene comprising following steps:
Step 1: weighing each component in raw material；
Step 2: detergent alkylate propane sulfonic acid ester is poured into reaction kettle, addition glycerine seals stirring into reaction kettle, It is warming up to 100-120 DEG C and keeps the temperature 1.5-2.5h, then be cooled to 80-100 DEG C, 5-10 parts of titanium dioxide is then added, keeps 90 DEG C are continued at the uniform velocity to stir 0.5-1.5h, and it is spare to obtain mixture A；
It is crushed to 180-200 mesh Step 3: wooden sodium sulfonate is mixed to pour into pulverizer with remaining titanium dioxide, is made Obtain mixture B；
It is warming up to 200-250 DEG C of stirring 0.5-1.5h Step 4: polyethylene, mixture B are poured into mixture A, is made Mixture C；
Step 5: mixture C is placed in foaming machine, and 0.5% talcum powder that quality is mixture C quality is added, Permanent type antistatic foaming polyethylene is made in extrusion foaming.
Preferably, mixing speed maintains 120r/min in step 2.
Preferably, mixing speed is maintained at 60r/min in step 4.
Preferably, the extrusion temperature of foaming machine is 150 DEG C in step 5, engine speed is 50~80rmp.
Preferably, addition monoglyceride and nanometer calcium carbonate when mixture C being placed in foaming machine in step 5.
The present invention is due to using above technical scheme, with significant technical effect:
The present invention, which passes through, carries out inorganic and organic antistatic agents in compound, to be formed by the two hydrogen bond and surface functional group It is compound, antistatic agent functional group is formed, permanent antistatic effect can be reached, effectively improve the antistatic property of foaming, while institute The antistatic agent of use has with good Environmental compatibility, and pollution or subsequent will not be brought to production process and use process The problem of processing, polyethylene foam-material sheet resistance of the invention is between 105~109Between Ω, in use condition temperature 60 DEG C, it is stood in the baking oven of humidity 20%RH for 24 hours, product surface resistance stabilization does not change；It is used 6 months under normal condition Afterwards, sheet resistance, which increases, is no more than 20%.
Specific embodiment
Embodiment 1
A kind of permanent type antistatic foaming polyethylene, is made of: polyethylene 130-152 the raw material below according to parts by weight Part, wooden sodium sulfonate 23-38 parts, 12-21 parts of nano-titanium dioxide, 10-18 parts of glycerine, detergent alkylate propane sulfonic acid ester 5-15 Part, also added with monoglyceride 0.2-0.3 parts by weight and nanometer calcium carbonate 1-1.2 parts by weight.
Embodiment 2
A kind of preparation method of permanent type antistatic foaming polyethylene comprising following steps:
Step 1: weighing each component in raw material according to embodiment 1；
Step 2: detergent alkylate propane sulfonic acid ester is poured into reaction kettle, addition glycerine seals stirring into reaction kettle, Be warming up to 100-120 DEG C and keep the temperature 2h, then be cooled to 90 DEG C, be then added 5-10 part of nano-titanium dioxide, 90 DEG C of holding after Continuous at the uniform velocity to stir 1h, mixing speed maintains 120r/min, it is spare to obtain mixture A；A certain amount of detergent alkylate sulphur is added Acid butyl ester, sulfonate ester group and adsorbed water molecule in the molecule have strong suction-operated, it is suppressed that the volatilization of hydrone, The strong polarity of the group easily causes moisture to solve hydrogen ion adsorption on sulfonic group simultaneously, can be effectively improved foaming The ability of polythene material surface holding hydrone, it is suppressed that the accumulation of electrostatic in material improves antistatic property；
It is crushed to 180-200 mesh Step 3: wooden sodium sulfonate is mixed to pour into pulverizer with remaining titanium dioxide, is made Obtain mixture B；Nano-TiO2It is combined with each other with the sulfonic group of sodium lignin sulfonate, by controlling nano-TiO2With lignin sulfonic acid The reaction time of sodium and temperature, in nano-TiO2Surface modification sodium lignin sulfonate forms Water-In-Oil structure, sulfomethylated lignin acidic group Group is grafted on nano-TiO2Surface, formed antistatic agent masterbatch.
It is warming up to 200-250 DEG C of stirring 1h Step 4: polyethylene, mixture B are poured into mixture A, mixing speed is protected It holds in 60r/min, mixture C is made；
Step 5: mixture C is placed in foaming machine, and 0.5% talcum powder that quality is mixture C quality is added, And permanent type antistatic foaming polyethylene is made in monoglyceride and nanometer calcium carbonate, extrusion foaming, extrusion temperature is 150 DEG C, leads Machine revolving speed is 50~80rmp.The present invention selects monoglyceride as softener and lubricant (blowing promotor), improves in foaming process Antistatic master batch polyethylene dispersion performance, since antistatic master batch is different from the molecular weight of polyethylene, so monoglyceride changes It has been apt to dispersibility of the antistatic master batch in foaming process in polyethylene, while nanometer calcium carbonate has been added as foaming nucleation agent, Its dispersibility can also be improved, thus ensure that uniformity of the antistatic master batch in polyethylene foamed material, it is final to improve Antistatic property.
Permanent anti-static polyethylene material of the invention is passed through by carrying out compound by inorganic and organic antistatic agents The hydrogen bond and surface functional group that the two is formed are compound, form antistatic agent functional group, and reach permanent antistatic effect.
By introducing inner additive type antistatic agent and nano-metal-oxide in polyethylene, made by the collaboration of the two With, the antistatic property of foaming is improved, while used antistatic agent has with good Environmental compatibility, it will not be to being produced Journey and use process bring the problem of pollution or subsequent processing, and polyethylene foam-material sheet resistance of the invention is through surface electricity Tester test is hindered between 105~109Between Ω, stands for 24 hours, produce in use condition temperature 60 C, the baking oven of humidity 20%RH Product sheet resistance stabilization does not change；It is no more than 20% using after 6 months, sheet resistance increases under normal condition.It will prevent quiet Electric EPE material is placed under the conditions of normal atmospheric environment place a period of time after test its sheet resistance value, until being lower than 1010Ω is It is considered as service life, the materials'use service life is 150-450 days after tested.
In short, the foregoing is merely presently preferred embodiments of the present invention, it is all according to equalization made by scope of the present invention patent Variation and modification, shall all be covered by the patent of the invention.

Claims (7)

1. a kind of permanent type antistatic foaming polyethylene, it is characterised in that: be made of the raw material below according to parts by weight: polyethylene 130-152 parts, wooden sodium sulfonate 23-38 parts, 12-21 parts of nano-titanium dioxide, 10-18 parts of glycerine, dodecyl phenylpropyl alcohol sulphur 5-15 parts of acid esters.
2. a kind of permanent type antistatic foaming polyethylene according to claim 1, it is characterised in that: be also added in raw material Monoglyceride 0.2-0.3 parts by weight and nanometer calcium carbonate 1-1.2 parts by weight.
3. a kind of preparation method of permanent type antistatic foaming polyethylene, it is characterised in that itself the following steps are included:
Step 1: a kind of permanent type antistatic foaming polyethylene described in accordance with the claim 1 weighs each component in raw material；
Step 2: detergent alkylate propane sulfonic acid ester is poured into reaction kettle, addition glycerine seals stirring into reaction kettle, heats up To 100-120 DEG C and 1.5-2.5h is kept the temperature, then is cooled to 80-100 DEG C, nanometer 5-10 parts of titanium dioxide is then added, keeps 90 DEG C are continued at the uniform velocity to stir 0.5-1.5h, and it is spare to obtain mixture A；
It is crushed to 180-200 mesh Step 3: wooden sodium sulfonate is mixed to pour into pulverizer with remaining nano-titanium dioxide, is made Obtain mixture B；
It is warming up to 200-250 DEG C of stirring 0.5-1.5h Step 4: polyethylene, mixture B are poured into mixture A, mixing is made Object C；
Step 5: mixture C is placed in foaming machine, and 0.5% talcum powder that quality is mixture C quality is added, squeezed out Permanent type antistatic foaming polyethylene is made in foaming.
4. a kind of preparation method of permanent type antistatic foaming polyethylene according to claim 1, it is characterised in that: step Mixing speed maintains 120r/min in two.
5. a kind of preparation method of permanent type antistatic foaming polyethylene according to claim 1, it is characterised in that: step Mixing speed is maintained at 60r/min in four.
6. a kind of preparation method of permanent type antistatic foaming polyethylene according to claim 1, it is characterised in that: step The extrusion temperature of foaming machine is 150 DEG C in five, engine speed is 50~80rmp.
7. a kind of preparation method of permanent type antistatic foaming polyethylene according to claim 1, it is characterised in that: step A kind of permanent type antistatic foaming polyethylene adds according to claim 2 when mixture C being placed in foaming machine in five Monoglyceride and nanometer calcium carbonate.
CN201910593497.5A 2019-07-03 2019-07-03 A kind of permanent type antistatic foaming polyethylene and preparation method thereof Pending CN110272575A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103497399A (en) * 2013-09-26 2014-01-08 浙江新恒泰新材料有限公司 Polyethylene foam material prepared by utilizing recycled foam material and production method thereof
CN104974400A (en) * 2015-07-16 2015-10-14 厦门谱睿科技有限公司 Permanent antistatic pearl wool EPE (Expanded Polyethylene) and preparation method thereof
CN107629284A (en) * 2017-08-24 2018-01-26 南通通联海绵塑料有限公司 A kind of preparation method of antistatic foaming EPE pearl wool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103497399A (en) * 2013-09-26 2014-01-08 浙江新恒泰新材料有限公司 Polyethylene foam material prepared by utilizing recycled foam material and production method thereof
CN104974400A (en) * 2015-07-16 2015-10-14 厦门谱睿科技有限公司 Permanent antistatic pearl wool EPE (Expanded Polyethylene) and preparation method thereof
CN107629284A (en) * 2017-08-24 2018-01-26 南通通联海绵塑料有限公司 A kind of preparation method of antistatic foaming EPE pearl wool

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