CN108929480A - A kind of the plastic filler parent granule composition and its production method of anti-settling - Google Patents

A kind of the plastic filler parent granule composition and its production method of anti-settling Download PDF

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CN108929480A
CN108929480A CN201810537736.0A CN201810537736A CN108929480A CN 108929480 A CN108929480 A CN 108929480A CN 201810537736 A CN201810537736 A CN 201810537736A CN 108929480 A CN108929480 A CN 108929480A
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plastic
parent granule
filler parent
settling
granule composition
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王龙呈
孙宜恒
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Guangzhou Liby Enterprise Group Co Ltd
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Guangzhou Liby Enterprise Group Co Ltd
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    • 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
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    • C—CHEMISTRY; METALLURGY
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    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C—CHEMISTRY; METALLURGY
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/125—Water, e.g. hydrated salts
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    • 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
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
    • 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
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    • 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
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/04—Homopolymers or copolymers of ethene
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    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
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    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
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    • C08K3/00—Use of inorganic substances as compounding ingredients
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Abstract

The present invention relates to plastic package material technical field, the plastic filler parent granule composition and its production method of specially a kind of anti-settling.The present invention in material by adding functional additive, when material being prepared into master batch using plastic extruder, the gas that functional additive generates finally makes to form vacuole in prepared master batch and reduce the apparent density of master batch, the apparent density of master batch is set to be equal or close to the density for being used to prepare the plastic raw materials of plastic products, to make master batch during preparing plastic products in hopper that can preferably be scattered between plastic raw materials, avoid that the density because of master batch is significantly greater than the density of plastic raw materials and master batch gradually falls to feed hopper bottom under hopper continuous vibration, it can avoid front and back its ingredient of the plastic products difference produced in turn and the problem for causing quality unstable.

Description

A kind of the plastic filler parent granule composition and its production method of anti-settling
Technical field
The present invention relates to the plastic filler parent granule compositions of plastic package material technical field more particularly to a kind of anti-settling And its production method.
Background technique
Calcium carbonate is added in plastics as filler and has been widely used, and can improve the physical property such as gloss of product Degree, toughness, intensity, and the density and hardness of product can be improved.Especially when using nanoscale pearl filler, Ke Yixian The wearability and impact resistance for improving plastic products are write, makes plastic products that there is more preferably impact resistance.
Current Calcium carbonate filler master batch be mostly use the lime stone of different-grain diameter rank after coupling agent treatment with profit Lubrication prescription and vector resin, which are kneaded and are granulated, is made master batch.Lime stone of this master batch due to typically containing higher concentration, density compared with Height, when factory is using concentrating feeding system to be fed into extruder or injection molding machine, the plastic raw materials grain of master batch and product Son can be mixed in a certain proportion, and due to the density variation of two kinds of particles, caused to shake in the feed opening of feeding system and equipment and be made Under, the master batch of higher density is easy to be deposited to feed hopper bottom, this will lead to the feed for occurring lower section material mouth in hopper containing master batch More, master batch is less above hopper, and then larger difference occurs in the calcium carbonate content caused in the product successively produced, not only produces There is larger fluctuation in product weight, and impact resistant strength also will appear decline, and the quality stability of product is low.
Summary of the invention
The present invention is intended to provide a kind of plastic filler parent granule composition of anti-settling, by the way that function is added in granulation process Additive can be changed the density of masterbatch composition, masterbatch composition made to have the function of anti-settling, for solving plastic products production The problem of master batch settles in hopper in the process, and then can get the plastic products of calcium carbonate content stabilization, stay in grade.
To achieve the above object, the present invention uses following technical scheme.
A kind of plastic filler parent granule composition of anti-settling, is made of each component of following parts by weight：Functional additive 0.01-5 parts, 2-80 parts of calcium carbonate, 0.5-9 parts of coupling agent, 1-5 parts of lubricant, 10-90 parts of plastic carrier, and the weight of each component Measuring the sum of part is 100 parts；The functional additive is the substance that gas can be generated under conditions of 110-240 DEG C.
Preferably, the functional additive is selected from tartaric acid and its crystallization hydrate, tartrate and its crystallization aquation Close object, citric acid and its crystallization hydrate, citrate and its crystallization hydrate, sodium bicarbonate and its crystallization hydrate At least one of object, saleratus and its crystallization hydrate；The tartrate, tartrate and bicarbonate are potassium One of salt, sodium salt, calcium salt are a variety of.
Preferably, the functional additive generates the reactant and assisted reaction agent group of gas by that can occur to chemically react At the molar ratio for taking reactant and assisted reaction agent is the coefficient of reactant and assisted reaction agent in chemical equation Than.
It is furthermore preferred that the functional additive generates reactant and the assisted reaction agent of gas by that can occur to chemically react When composition, the reactant be selected from tartaric acid and its crystallization hydrate, tartrate and its crystallization hydrate, citric acid and It crystallizes at least one of hydrate, citrate and its crystallization hydrate；The assisted reaction agent is selected from carbonate And its crystallize at least one of hydrate and bicarbonate and its crystallization hydrate；The tartrate, citric acid Salt, carbonate and bicarbonate are one of sylvite, sodium salt, calcium salt or a variety of.
Preferably, the plastic carrier is olefine kind resin.
Preferably, the plastic carrier is selected from least one of following substance：Low density linear polyethylene (LLDPE), High density polyethylene (HDPE) (HDPE), polypropylene, polyethylene and by vinyl monomer, propylene monomer, butene monomers, hexene monomers, pungent The polymer of the homopolymerization of at least one of alkene monomer monomer or copolymerization.
Preferably, the coupling agent is titante coupling agent or aluminate coupling agent.
It is furthermore preferred that the aluminate coupling agent, which is selected from, meets at least one of substance of following general formula, it is described logical Formula is：[Al(O-R)3]n, R is one of alkyl, acyloxy or allyl or a variety of.
It is furthermore preferred that the titante coupling agent, which is selected from, meets at least one of substance of following general formula, it is described logical Formula is：RO-O(4-n)-Ti-(OX-R’Y)n, n=2 or 3, wherein RO- is alkoxy, and OX- is carboxyl, alkoxy, sulfonic group or phosphorus Base, R ' are alkyl or alkoxy, and Y is hydroxyl, amino, epoxy group or double bond containing group.
Preferably, the lubricant is selected from the double stearic acid acyls of atoleine, stearic acid, calcium stearate, zinc stearate, ethylene At least one of amine.
Preferably, the particle diameter distribution of the calcium carbonate powder is the Arbitrary distribution between 0.2-400 μm.
The production method of the plastic filler parent granule composition of anti-settling described above, includes the following steps：
S1, first coupling agent, calcium carbonate powder and functional additive be uniformly mixed, lubrication is then added into mixture again Agent is simultaneously uniformly mixed, and obtains mixed powder；The temperature that mixed process controls material is not higher than 120 DEG C.
Preferably, in step S1, with the mixing of 60r/min speed stirring coupling agent, calcium carbonate powder and functional additive Object 5min is further continued for stirring 10min with the speed of 60r/min, obtains mixed powder after lubricant is added into mixture.
S2, mixed powder and plastic carrier are added in plastic extruder, and via the head extrusion of plastic extruder, obtained To extrusion product；The temperature of feed zone and compression section that the plastic extruder is arranged, which is below functional additive, can produce gas When minimum temperature, setting highest its temperature of sub-control temperature section of temperature is that can produce gas not less than functional additive in homogenizing zone When minimum temperature, die head temperature be the extrudable molding temperature of the plastic carrier；And close the exhaust system of plastic extruder System.
Preferably, further include step S3 after step S2, after squeezing out product cooling and shaping and drying up, product cutting will be squeezed out At particle, finished product.
Preferably, the plastic extruder is double screw extruder, and the screw slenderness ratio of the double screw extruder is 20- 30:1。
Compared with prior art, the beneficial effects of the invention are as follows：The present invention can be at 110-240 DEG C by adding in material Under conditions of generate gas substance as functional additive, when material being prepared into master batch using plastic extruder, function adds The gas for adding agent to generate finally makes to form vacuole in prepared master batch and reduce the apparent density of master batch, makes the apparent of master batch Density is equal or close to the density for being used to prepare the plastic raw materials of plastic products, to make hopper during preparing plastic products Interior master batch can be preferably scattered between plastic raw materials, avoid the density because of master batch be significantly greater than plastic raw materials density and Master batch gradually falls to feed hopper bottom under hopper continuous vibration, and then plastic products its ingredient that can avoid that front and back produces is not The problem for causing quality unstable together.The present invention, which passes through, adds suitable functional additive, plastic filler parent granule obtained Apparent density is moderate, applied to when preparing plastic products its more uniform can disperse in plastic raw materials, the quality of plastic products Stability is high.In addition, the present invention is by selecting suitable substance as functional additive, the introducing of functional additive is to plastics system The physical properties such as toughness, the impact resistance of product do not generate adverse effect.
It is that in plastics normal process temperature region chemistry can occur for one kind the principle of the invention lies in functional additive Reaction or the component for itself decomposing and generating gas, when the exhaust system on plastic extruder is closed, functional additive is anti- Answer/decompose the gas of generation can only stay in the barrel of plastic extruder by screw rod with and penetrate into plastic carrier and calcium carbonate etc. Component material mix in, when head extrusion of the material by plastic extruder, when leaving the head of plastic extruder due to The pressure that ambient pressure is less than in extruder becomes smaller, and the volume expansion in material is permeated, by the plastic expanding of molten condition The state of great achievement similar " foam ", the finished product (plastic filler parent granule) obtained after cooling granulation, the particle expanded its include There is the vacuole largely generated by gas, these vacuoles drop the apparent density of the particle for the calcium carbonate for containing high-content substantially It is low.When producing plastic products, due to the volume and similar density of plastic filler parent granule filler grain and plastic raw materials particle, In hopper vibration not will lead to content of the content of plastic filler parent granule in material in plastic raw materials particle at the top of hopper with There is larger dispersed difference in bottom, and so as to ensure, calcium carbonate content is stablized in therefore product plastic products produced, because And plastic products uniformity is high, weight is stablized.
Specific embodiment
In order to more fully understand technology contents of the invention, combined with specific embodiments below to technical solution of the present invention It is described further and illustrates.
Embodiment 1
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
By coupling agent (distearyl acyl-oxygen isopropyl Aluminate) and calcium carbonate powder (partial size is between 20-80um) with 0.5: The mixing of 75.3 weight ratios, takes 75.8 parts of mixture；
Lubricant (calcium stearate) takes 3 parts；
(sodium citrate and sodium bicarbonate are with 0.6 for functional additive:The mixing of 0.2 weight part ratio) take 0.8 part；
Plastic carrier (low density linear polyethylene, LLDPE) takes 21 parts.
The production method of plastic filler parent granule：
S1, first coupling agent, calcium carbonate powder and functional additive be uniformly mixed, lubrication is then added into mixture again Agent is simultaneously uniformly mixed, and obtains mixed powder；The temperature that mixed process controls material is not higher than 120 DEG C.Specifically：It is dynamic using planet Power mixing machine carries out mixing, and the mixture 5min of coupling agent, calcium carbonate powder and functional additive is stirred with 60r/min speed, It is further continued for stirring 10min with the speed of 60r/min after lubricant is added into mixture, obtains mixed powder, calcium carbonate obtains Activation.
S2, mixed powder and plastic carrier are added in plastic extruder, and via the head extrusion of plastic extruder, obtained To extrusion product；The temperature of feed zone and compression section that the plastic extruder is arranged, which is below functional additive, can produce gas When minimum temperature, setting highest its temperature of sub-control temperature section of temperature is that can produce gas not less than functional additive in homogenizing zone When minimum temperature, die head temperature be the extrudable molding temperature of the plastic carrier；And close the exhaust system of plastic extruder System.Specifically：Mixed powder and plastic carrier are separately added into double screw extruder (spiral shell via metering feeding machine and feed hopper Bar draw ratio 26:1) the feed zone temperature and compression section temperature that double screw extruder, is arranged are 140-150 DEG C, and homogenizing zone is each Sub-control temperature section (totally four sub-control temperature sections) temperature is 165 DEG C, 175 DEG C, 185 DEG C, 165 DEG C, the temperature of each sub-control temperature section in homogenizing zone Control mode is spent for mode low after preceding low middle height, and die head temperature is 130-140 DEG C, closes the exhaust system of double screw extruder System, material are squeezed out through the cooling machine head of double screw extruder, obtain squeezing out product.
S3, extrusion product dry up after cooling trough is formed, and are cut into diameter about 8mm by pelleter, length is about Plastic filler parent granule composition is made in the cylindrical pellets of 3-6mm.
Application of the plastic filler parent granule in plastic products production：
By the plastic raw materials particle (high density polyethylene (HDPE)) of the plastic filler parent granule of the present embodiment and plastic products with 15:85 Weight ratio mix after be added through feeding system into the hopper of extrusion blow molding machine, adjust material embryo extruded velocity, until bottle weighs Keep technological parameter constant after to standard weights 98g, continuous blowing standard jar weight is plastic bottle 200 of 98g.
Effect measuring：
1, the plastic filler parent granule composition of the present embodiment is taken, weigh and measures volume in the method for evacuation of liquid, is calculated The apparent density of plastic filler parent granule composition, the apparent density of the plastic filler parent granule composition of the present embodiment are 0.97g/ cm3。
2, in the plastic bottle that 200 standard weights of blowing are 98g, first 10,50-60,100-110 are extracted A, 150-160,190-200 is used as sample, measures the weight and fluctuation of each section of bottle respectively.The present embodiment preparation Each section of plastic bottle average weight distribution meet 98 ± 2g product standard require in the range of.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, the equal crack-free of bottle body Leakage.
Embodiment 2
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
Coupling agent (distearyl acyl-oxygen isopropyl Aluminate) and calcium carbonate powder (partial size is between 20-80um) are pressed 0.5: The mixing of 75.5 weight ratios, takes 76 parts of mixture；
Lubricant (calcium stearate) takes 3 parts；
Plastic carrier (low density linear polyethylene, LLDPE) takes 21 parts.
The production method of plastic filler parent granule：
S1, first coupling agent and calcium carbonate powder be uniformly mixed, lubricant is then added into mixture again and mixed equal It is even, obtain mixed powder；The temperature that mixed process controls material is not higher than 120 DEG C.Specifically：Using planetary power mixing machine into Row mixing, with the mixture 5min of 60r/min speed stirring coupling agent and calcium carbonate powder, after lubricant is added into mixture It is further continued for stirring 10min with the speed of 60r/min, obtains mixed powder, calcium carbonate is activated.
Consistent, the obtained plastic filler parent granule composition of step S2 and step S3 and embodiment.
Application of the plastic filler parent granule in plastic products production：
By the plastic raw materials particle (high density polyethylene (HDPE)) of the plastic filler parent granule of the present embodiment and plastic products with 15:85 Weight ratio mix after be added through feeding system into the hopper of extrusion blow molding machine, adjust material embryo extruded velocity, until bottle weighs Keep technological parameter constant after to standard weights 98g, continuous blowing standard jar weight is plastic bottle 200 of 98g.
Effect measuring：
1, the plastic filler parent granule composition of the present embodiment is taken, weigh and measures volume in the method for evacuation of liquid, is calculated The apparent density of plastic filler parent granule composition, the apparent density of the plastic filler parent granule composition of the present embodiment are 2.12g/ cm3。
2, in the plastic bottle that 200 standard weights of blowing are 98g, first 10,50-60,100-110 are extracted A, 150-160,190-200 is used as sample, measures the weight and fluctuation of each section of bottle respectively.The present embodiment preparation The average weight distribution of each section of plastic bottle first increase and reduce again, from the 50-60 sample to raw between the 100-110 sample The bottle weight of production obviously becomes larger, and bottle increases maximum to 104g again, and the average weight of the 190-200 sample is reduced to 94g.This implementation The average weight distribution of each section of plastic bottle of example preparation is unsatisfactory in the range of the requirement of 98 ± 2g product standard.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, there is 8% plastic bottle Bottle body occur rupture leakage.
Embodiment 3
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
Coupling agent (aluminic acid trimethyl) and calcium carbonate powder (partial size is between 20-80um) are pressed 0.5:75.3 weight part ratios Example mixing, takes 75.8 parts of mixture；
Lubricant (calcium stearate) takes 3 parts；
(tartaric acid and calcium bicarbonate are with 0.6 for functional additive:The mixing of 0.2 weight ratio) take 0.8 part；
(low density linear polyethylene and high density polyethylene (HDPE) are with 8 for plastic carrier:2 weight ratios) take 21 parts.
The production method of plastic filler parent granule：Step S1 and step S3 are consistent with embodiment 1, remove in step S2 by plastics The homogenizing zone of extruder each sub-control temperature section (totally four sub-control temperature sections) temperature setting is 175 DEG C, 175 DEG C, 195 DEG C, 175 DEG C and reality The inconsistent outer of example 1 is applied, other settings and operation are consistent with embodiment 1.Plastic filler parent granule composition is made.Filling plastic Application of the master batch in plastic products production：
By the plastic raw materials particle (high density polyethylene (HDPE)) of the plastic filler parent granule of the present embodiment and plastic products with 15:85 Weight ratio mix after be added through feeding system into the hopper of extrusion blow molding machine, adjust material embryo extruded velocity, until bottle weighs Keep technological parameter constant after to standard weights 98g, continuous blowing standard jar weight is plastic bottle 200 of 98g.
Effect measuring：
1, the plastic filler parent granule composition of the present embodiment is taken, weigh and measures volume in the method for evacuation of liquid, is calculated The apparent density of plastic filler parent granule composition, the apparent density of the plastic filler parent granule composition of the present embodiment are 1.21g/ cm3。
2, in the plastic bottle that 200 standard weights of blowing are 98g, first 10,50-60,100-110 are extracted A, 150-160,190-200 is used as sample, measures the weight and fluctuation of each section of bottle respectively.The present embodiment preparation Each section of plastic bottle average weight distribution meet 98 ± 2g product standard require in the range of.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, the equal crack-free of bottle body Leakage.
Embodiment 4
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
By coupling agent (two oleic acid acyloxy of isopropyl (dioctyl phosphoric acid acyloxy) titanate esters) and calcium carbonate powder (partial size Between 150-300um) press 0.5:The mixing of 75.1 weight ratios, takes 75.6 parts of mixture；
Lubricant (calcium stearate) takes 3 parts；
(tartaric acid and sodium bicarbonate are with 1.2 for functional additive:The mixing of 0.4 weight ratio) take 1.6 parts；
Plastic carrier (low density linear polyethylene, LLDPE) takes 21 parts.
The production method of plastic filler parent granule：Step S1 and step S3 are consistent with embodiment 1, remove in step S2 by plastics The homogenizing zone of extruder each sub-control temperature section (totally four sub-control temperature sections) temperature setting is 165 DEG C, 180 DEG C, 195 DEG C, 180 DEG C and reality The inconsistent outer of example 1 is applied, other settings and operation are consistent with embodiment 1.Plastic filler parent granule composition is made.
Application of the plastic filler parent granule in plastic products production：
By the plastic raw materials particle (high density polyethylene (HDPE)) of the plastic filler parent granule of the present embodiment and plastic products with 15:85 Weight ratio mix after be added through feeding system into the hopper of extrusion blow molding machine, adjust material embryo extruded velocity, until bottle weighs Keep technological parameter constant after to standard weights 98g, continuous blowing standard jar weight is plastic bottle 200 of 98g.
Effect measuring：
1, the plastic filler parent granule composition of the present embodiment is taken, weigh and measures volume in the method for evacuation of liquid, is calculated The apparent density of plastic filler parent granule composition, the apparent density of the plastic filler parent granule composition of the present embodiment are 0.94g/ cm3。
2, in the plastic bottle that 200 standard weights of blowing are 98g, first 10,50-60,100-110 are extracted A, 150-160,190-200 is used as sample, measures the weight and fluctuation of each section of bottle respectively.The present embodiment preparation Each section of plastic bottle average weight distribution meet 98 ± 2g product standard require in the range of.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, the equal crack-free of bottle body Leakage.
Embodiment 5
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
By coupling agent (two oleic acid acyloxy of isopropyl (dioctyl phosphoric acid acyloxy) titanate esters) and calcium carbonate powder (partial size Between 300-400um) press 1:The mixing of 74 weight ratios, takes 75 parts of mixture；
Lubricant (zinc stearate) takes 5 parts；
Functional additive (sodium tartrate) takes 5 parts；
Plastic carrier (low density linear polyethylene, LLDPE) takes 15 parts.
The production method of plastic filler parent granule is consistent with embodiment 1, and plastic filler parent granule composition is made.
Plastic filler parent granule is as the applicating adn implementing example 1 in plastic products production, and parameter connects with identical technique Continuous blowing standard jar weight is plastic bottle 200 of 98g, and measures effect, effect measuring knot using the methods such as embodiment 1 Fruit is as follows：
1, the apparent density of the plastic filler parent granule composition of the present embodiment is 0.96g/cm3。
2,200 standard weights blowing in the present embodiment require, first 10,50-60, 100-110,150-160,190-200, the average weight distribution of each section of plastic bottle meet 98 ± 2g product mark In the range of alignment request.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, the equal crack-free of bottle body Leakage.
Embodiment 6
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
By coupling agent (two oleic acid acyloxy of isopropyl (dioctyl phosphoric acid acyloxy) titanate esters) and calcium carbonate powder (partial size Between 300-400um) press 1:The mixing of 59 weight ratios, takes 60 parts of mixture；
Lubricant (zinc stearate) takes 5 parts；
Functional additive (sodium tartrate) takes 5 parts；
(low density linear polyethylene and extrusion grade polypropylene are with 4 for plastic carrier:6 mixing, LLDPE) take 30 parts.
The production method of plastic filler parent granule：Step S1 and step S3 are consistent with embodiment 1, remove in step S2 by plastics The feed zone of extruder and the temperature setting of compression section are 150 DEG C, each sub-control temperature section of homogenizing zone (totally four sub-control temperature sections) temperature Be set as 195 DEG C, 200 DEG C, 225 DEG C, 195 DEG C with inconsistent outer, other settings and the operation and the one of embodiment 1 of embodiment 1 It causes.Plastic filler parent granule composition is made.
Application of the plastic filler parent granule in plastic products production：By the plastic filler parent granule and plastic products of the present embodiment Plastic raw materials particle (squeeze out grade polypropylene) with 25:75 weight ratio is added through feeding system to extrusion blow molding machine after mixing Hopper in, adjust material embryo extruded velocity, until bottle keeps technological parameter constant after weighing to standard weights 92g, continuous blowing mark Quasi- bottle weight is plastic bottle 200 of 92g.
Effect is measured using the methods of such as embodiment 1, effect measuring result is as follows：
1, the apparent density of the plastic filler parent granule composition of the present embodiment is 0.98g/cm3。
2,200 standard weights blowing in the present embodiment require, first 10,50-60, 100-110,150-160,190-200, the average weight distribution of each section of plastic bottle meet 98 ± 2g product mark In the range of alignment request.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, the equal crack-free of bottle body Leakage.
Embodiment 7
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
By coupling agent (two oleic acid acyloxy of isopropyl (dioctyl phosphoric acid acyloxy) titanate esters) and calcium carbonate powder (partial size Between 0.2-30um) press 1:The mixing of 80.99 weight ratios, takes 81.99 parts of mixture；
Lubricant (calcium stearate) takes 1 part；
Functional additive (sodium tartrate) takes 0.01 part；
Plastic carrier (low density linear polyethylene, LLDPE) takes 17 parts.
The production method of plastic filler parent granule is consistent with embodiment 1, and plastic filler parent granule composition is made.
Plastic filler parent granule is as the applicating adn implementing example 1 in plastic products production, and parameter connects with identical technique Continuous blowing standard jar weight is plastic bottle 200 of 98g, and measures effect, effect measuring knot using the methods such as embodiment 1 Fruit is as follows：
1, the apparent density of the plastic filler parent granule composition of the present embodiment is 1.4g/cm3。
2,200 standard weights blowing in the present embodiment require, first 10,50-60, 100-110,150-160,190-200, the average weight distribution of each section of plastic bottle meet 98 ± 2g product mark In the range of alignment request.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, the equal crack-free of bottle body Leakage.
Embodiment 8
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
By coupling agent (two oleic acid acyloxy of isopropyl (dioctyl phosphoric acid acyloxy) titanate esters) and calcium carbonate powder (partial size Between 0.2-30um) press 2:The mixing of 80 weight ratios, takes 82 parts of mixture；
Lubricant (ethylene bis stearic acid amide) takes 2 parts；
Functional additive (calcium bicarbonate contains the crystallization water) takes 5 parts；
Plastic carrier (low density linear polyethylene, LLDPE) takes 10 parts.
The production method of plastic filler parent granule is consistent with embodiment 1, and plastic filler parent granule composition is made.
Plastic filler parent granule is as the applicating adn implementing example 1 in plastic products production, and parameter connects with identical technique Continuous blowing standard jar weight is plastic bottle 200 of 98g, and measures effect, effect measuring knot using the methods such as embodiment 1 Fruit is as follows：
1, the apparent density of the plastic filler parent granule composition of the present embodiment is 2.1g/cm3。
2,200 standard weights blowing in the present embodiment require, first 10,50-60, 100-110,150-160,190-200, the average weight distribution of each section of plastic bottle is unsatisfactory for 98 ± 2g product In the range of standard requirements.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, 10% bottle body occurs Rupture leakage phenomenon.
Embodiment 9
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
By coupling agent (two oleic acid acyloxy of isopropyl (dioctyl phosphoric acid acyloxy) titanate esters) and calcium carbonate powder (partial size Between 30-400um) press 9:The mixing of 74 weight ratios, takes 83 parts of mixture；
Lubricant (ethylene bis stearic acid amide) takes 2 parts；
Functional additive (tartaric acid contains the crystallization water) takes 5 parts；
Plastic carrier (low density linear polyethylene, LLDPE) takes 10 parts.
The production method of plastic filler parent granule is consistent with embodiment 1, and plastic filler parent granule composition is made.
Plastic filler parent granule is as the applicating adn implementing example 1 in plastic products production, and parameter connects with identical technique Continuous blowing standard jar weight is plastic bottle 200 of 98g, and measures effect, effect measuring knot using the methods such as embodiment 1 Fruit is as follows：
1, the apparent density of the plastic filler parent granule composition of the present embodiment is 1.2g/cm3。
2,200 standard weights blowing in the present embodiment require, first 10,50-60, 100-110,150-160,190-200, the average weight distribution of each section of plastic bottle meet 98 ± 2g product mark In the range of alignment request.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, 10% bottle body occurs Rupture leakage phenomenon.
Embodiment 10
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
By coupling agent (two oleic acid acyloxy of isopropyl (dioctyl phosphoric acid acyloxy) titanate esters) and calcium carbonate powder (partial size Between 30-400um) press 0.5:The mixing of 20 weight ratios, takes 20.5 parts of mixture；
Lubricant (ethylene bis stearic acid amide) takes 4.5 parts；
Functional additive (tartaric acid contains the crystallization water) takes 5 parts；
Plastic carrier (low density linear polyethylene, LLDPE) takes 70 parts.
The production method of plastic filler parent granule is consistent with embodiment 1, and plastic filler parent granule composition is made.
Plastic filler parent granule is as the applicating adn implementing example 1 in plastic products production, and parameter connects with identical technique Continuous blowing standard jar weight is plastic bottle 200 of 98g, and measures effect, effect measuring knot using the methods such as embodiment 1 Fruit is as follows：
1, the apparent density of the plastic filler parent granule composition of the present embodiment is 0.98g/cm3。
2,200 standard weights blowing in the present embodiment require, first 10,50-60, 100-110,150-160,190-200, the average weight distribution of each section of plastic bottle meet 98 ± 2g product mark In the range of alignment request.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, 10% bottle body occurs Rupture leakage phenomenon.
Embodiment 11
The present embodiment provides a kind of plastic filler parent granule composition of anti-settling and the filling plastic of this kind of anti-settling are female The production method of grain composition.
Following each component is not taken in point counting by weight：
By coupling agent (two oleic acid acyloxy of isopropyl (dioctyl phosphoric acid acyloxy) titanate esters) and calcium carbonate powder (partial size Between 30-400um) press 0.5:The mixing of 2 weight ratios, takes 2.5 parts of mixture；
Lubricant (ethylene bis stearic acid amide) takes 4.5 parts；
Functional additive (tartaric acid contains the crystallization water) takes 3 parts；
(low density linear polyethylene, LLDPE and extrusion grade polypropylene PP are with 2 for plastic carrier:8 weight ratios are blended) take 90 Part.
The production method of plastic filler parent granule is consistent with embodiment 1, and plastic filler parent granule composition is made.
Plastic filler parent granule and extrusion grade polypropylene particles are with 30:80 are blended, with identical technique continuous parameters blowing mark Quasi- bottle weight is plastic bottle 200 of 92g, and measures effect using the methods such as embodiment 1, and effect measuring result is as follows：
1, the apparent density of the plastic filler parent granule composition of the present embodiment is 0.86g/cm3。
2,200 standard weights blowing in the present embodiment require, first 10,50-60, 100-110,150-160,190-200, the average weight distribution of each section of plastic bottle meet 92 ± 2g product mark In the range of alignment request.
3, plastic bottle full water and after screwing lid, in 1.5m height free-electron model to hard ground, 10% bottle body occurs Rupture leakage phenomenon.
It is described above that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, But embodiments of the present invention are not represented and are only limitted to this, any technology done according to the present invention extends or recreation, is sent out by this Bright protection.

Claims (10)

1. a kind of plastic filler parent granule composition of anti-settling, which is characterized in that be made of each component of following parts by weight：Function 0.01-5 parts of additive, 2-80 parts of calcium carbonate, 0.5-9 parts of coupling agent, 1-5 parts of lubricant, 10-90 parts of plastic carrier, and each group The sum of parts by weight divided are 100 parts；The functional additive is the substance that gas can be generated under conditions of 110-240 DEG C.
2. the plastic filler parent granule composition of a kind of anti-settling according to claim 1, which is characterized in that the function addition Agent be selected from tartaric acid and its crystallization hydrate, tartrate and its crystallization hydrate, citric acid and its crystallization hydrate, In citrate and its crystallization hydrate, sodium bicarbonate and its crystallization hydrate, saleratus and its crystallization hydrate At least one；The tartrate and tartrate are one of sylvite, sodium salt, calcium salt or a variety of.
3. the plastic filler parent granule composition of a kind of anti-settling according to claim 1, which is characterized in that the function addition Agent generates the reactant of gas and assisted reaction agent forms by that can occur to chemically react, and takes reactant and assisted reaction agent Molar ratio is the coefficient ratio of reactant and assisted reaction agent in chemical equation；The reactant is selected from tartaric acid and its knot Brilliant hydrate, tartrate and its crystallization hydrate, citric acid and its crystallization hydrate, citrate and its crystallization water At least one of compound；The assisted reaction agent is selected from carbonate and its crystallization hydrate and bicarbonate and its crystallization At least one of hydrate；Tartrate, citrate, carbonate and the bicarbonate is sylvite, sodium salt, calcium salt One of or it is a variety of.
4. a kind of plastic filler parent granule composition of anti-settling described in any one of -3 according to claim 1, which is characterized in that institute Stating plastic carrier is olefine kind resin.
5. a kind of plastic filler parent granule composition of anti-settling described in any one of -3 according to claim 1, which is characterized in that institute Stating coupling agent is titante coupling agent or aluminate coupling agent.
6. the plastic filler parent granule composition of a kind of anti-settling according to claim 5, which is characterized in that the aluminate Coupling agent, which is selected from, meets at least one of substance of following general formula, and the general formula is：[Al(O-R)3]n, R is alkyl, acyloxy Or one of allyl or a variety of.
7. the plastic filler parent granule composition of a kind of anti-settling according to claim 5, which is characterized in that the titanate ester Coupling agent, which is selected from, meets at least one of substance of following general formula, and the general formula is：RO-O(4-n)-Ti-(OX-R’Y)n, n=2 Or 3, wherein RO- is alkoxy, and OX- is carboxyl, alkoxy, sulfonic group or phosphorus base, and R ' is alkyl or alkoxy, and Y is hydroxyl, ammonia Base, epoxy group or double bond containing group.
8. any one of -3 a kind of plastic filler parent granule composition of anti-settling according to claim 1, which is characterized in that described Lubricant is selected from least one of atoleine, stearic acid, calcium stearate, zinc stearate, ethylene bis stearic acid amide.
9. any one of -3 a kind of plastic filler parent granule composition of anti-settling according to claim 1, which is characterized in that described The particle diameter distribution of calcium carbonate powder is the Arbitrary distribution between 0.2-400 μm.
10. a kind of production method of the plastic filler parent granule composition of anti-settling as described in claim 1, which is characterized in that packet Include following steps：
S1, first coupling agent, calcium carbonate powder and functional additive be uniformly mixed, lubricant then is added simultaneously into mixture again It is uniformly mixed, obtains mixed powder；It is minimum when the temperature of mixed process control material can produce gas lower than functional additive Temperature；
S2, mixed powder and plastic carrier are added in plastic extruder, and via the head extrusion of plastic extruder, are squeezed Product out；The temperature of feed zone and compression section that the plastic extruder is arranged is below functional additive when can produce gas Minimum temperature, setting highest its temperature of sub-control temperature section of temperature is when can produce gas not less than functional additive in homogenizing zone Minimum temperature, die head temperature are the extrudable molding temperature of the plastic carrier；And close the exhaust system of plastic extruder.
CN201810537736.0A 2018-05-30 2018-05-30 A kind of the plastic filler parent granule composition and its production method of anti-settling Withdrawn CN108929480A (en)

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Application publication date: 20181204