CN106810745A - A kind of compound package material of stretch-proof and preparation method thereof - Google Patents

A kind of compound package material of stretch-proof and preparation method thereof Download PDF

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Publication number
CN106810745A
CN106810745A CN201611203199.3A CN201611203199A CN106810745A CN 106810745 A CN106810745 A CN 106810745A CN 201611203199 A CN201611203199 A CN 201611203199A CN 106810745 A CN106810745 A CN 106810745A
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parts
stretch
proof
package material
compound package
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费永妹
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Suzhou Association Of Green Electronics Technology Co Ltd
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Suzhou Association Of Green Electronics Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of compound package material of stretch-proof and preparation method thereof, it is with low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate is main component, by adding propylene glycol alginate, hexamethoxymethyl melamine resin, microcrystalline cellulose, beta cyclodextrin, dicyclohexyl amine nitrite, anilinomethyl triethoxysilane, isobornyl acrylate, rosin sodium soap, activated carbon, zinc stearate, nano titanium oxide, plasticizer, coupling agent, it is aided with water bath with thermostatic control, centrifugation, vacuum drying, grinding refinement, microwave treatment, mixing, plasticizing, melting extrusion, the technique such as hot-forming, so that the compound package material being prepared from, its stretch-proof, anti-bending strength is good, and it is nonflammable, disclosure satisfy that the requirement of industry, with preferable application prospect.

Description

A kind of compound package material of stretch-proof and preparation method thereof
Technical field
The present invention relates to packaging material field, more particularly to a kind of compound package material of stretch-proof and preparation method thereof.
Background technology
Packaging material refer to meet product packaging for manufacturing packing container, packing and decorating, packages printing, packed and transported etc. It is required that the material for being used, it is to include that metal, plastics, glass, ceramics, paper, bamboo sheet, wild mushroom class, natural fiber, chemistry are fine The main packaging material such as dimension, composite, and the auxiliary material such as including coating, adhesive, strapping, decoration, printing material. In main packaging material, paper packing material, plastic package material, metal packing material and glass packaging materials are using the widest General several classes.
With rapid development of economy, the environmental pollution caused by industrialization is also more and more.It is prepared by packaging material Cheng Zhong, can also produce many waste gas, waste water and waste residue, many all not environment friendly types of the packaging material for preparing in addition, Many packaging material inherently have larger pollution to environment, and also are not easily decomposed.It is low with the continuous progress of social civilization Carbon economy and green package theory progressively approved by people, it is desirable to the packaging material that use on the basis of security is ensured With the excellent feature of environmental protection, it is unlikely to environmental concerns, while performance higher can also be possessed, is suitable to be given birth in production It is widely applied in work.
Progress based on above-mentioned consideration and science and technology, in industry occurs in that increasing new packaging material.Main bag Include：(1) polymer matrix composites, are to carry out compound macromolecule material by the various fibers of matrix addition, granular or film of resin Material.(2) metal-base composites, with intensity higher, modulus is high, resistance to elevated temperatures is good, and thermal conductivity is strong, particularly suitable In industrial departments such as aviations.(3) PLA, is with organic acid --- the new polyester material that lactic acid is produced as raw material, performance is excellent In plastic materials such as existing polyethylene, polypropylene, polystyrene, have the advantages that biological degradability is good, mechanical performance is strong.
But although above-mentioned material can solve the problem that certain demand, but based on reduction production cost and improve packaging material The need for performance, develop a kind of excellent packaging material of more cheap and mechanical performance and just seem particularly significant.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of compound package material of stretch-proof and preparation method thereof, lead to Cross and be combined using specified raw material, coordinate corresponding production technology, the compound package material for obtaining, its stretch-proof, flexing resistance Can be good and nonflammable, the requirement of industry is disclosure satisfy that, with preferable application prospect.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of compound package material of stretch-proof, is made from the following raw materials in parts by weight:Low density polyethylene (LDPE) 45-55 parts, carboxylic first 40-50 parts of base sodium starch, butyl methacrylate 25-35 parts, propylene glycol alginate 12-18 parts, hexakis-methoxy methyl melamine Polyimide resin 10-16 parts, microcrystalline cellulose 8-12 parts, β-cyclodextrin 8-10 parts, dicyclohexyl amine nitrite 6-8 parts, anilinomethyl three Ethoxysilane 6-8 parts, isobornyl acrylate 5-9 parts, rosin sodium soap 4-6 parts, activated carbon 3-5 parts, zinc stearate 2-4 parts, Nano titanium oxide 2-4 parts, plasticizer 3-5 parts, coupling agent 3-5 parts.
Preferably, the plasticizer is selected from N, appointing in N- dimethyl lauramides, dioctyl adipate and chlorinated paraffin Meaning is a kind of.
Preferably, the coupling agent is selected from vinyltrimethoxy silane, the oleic acid acyloxy titanate esters of isopropyl three and two Any one in stearoyl keto isopropoxy Aluminate.
The preparation method of the compound package material of described stretch-proof, comprises the following steps：
（1）By low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate, propylene glycol alginate, hexakis-methoxy methyl three Cymel is put into thermostat water bath, the polyethylene glycol of the quality such as addition, isothermal reaction 3 hours, centrifugation after discharging, By separating mixture absolute ethanol washing 2 times, then it is placed in vacuum drying chamber and dries 5 hours, obtains preconditioned mixture；
（2）Activated carbon, zinc stearate are ground refinement, microcrystalline cellulose, β-cyclodextrin, the ring of nitrous acid two is subsequently adding Hexylamine, anilinomethyl triethoxysilane, are warming up to 50-60 DEG C after being mixed thoroughly, microwave treatment 25-35 minutes, obtain Microwave treatment mixture；
（3）The preconditioned mixture of step 1 gained is sufficiently mixed with the microwave treatment mixture of step 2 gained, is stirred, Isobornyl acrylate, rosin sodium soap, nano titanium oxide, plasticizer, coupling agent are added, 85-95 DEG C, mixing is warming up to 15-20 minutes, it is subsequently sent to be plastified in banbury, plasticization temperature is 110-120 DEG C, fusion time is 20 minutes, then The material of gained is transferred in double roller open mill and is further plastified, plasticization temperature is 90-95 DEG C, fusion time is 10-12 minutes；
（4）Compound after plasticizing is added in parallel double-screw extruder to carry out melt blending and granulates, then by particulate material Hot press carries out hot-forming, and at 190-200 DEG C, briquetting pressure is controlled in 50 kg/cm2, dwell time for hot pressing temperature control Control obtained finished product at 6-8 minutes after shaping.
Preferably, the step（2）The frequency of middle microwave treatment is 2200 MHz, power is 1000 W.
Preferably, the step（4）The barrel zone temperature of middle parallel double-screw extruder is 190-200 DEG C, and die head temperature is 195-205 DEG C, screw speed is 500-600 revs/min.
Compared with prior art, its advantage is the present invention：
（1）The compound package material of stretch-proof of the invention is with low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate It is main component, is pasted by adding propylene glycol alginate, hexamethoxymethyl melamine resin, microcrystalline cellulose, β-ring Essence, dicyclohexyl amine nitrite, anilinomethyl triethoxysilane, isobornyl acrylate, rosin sodium soap, activated carbon, stearic acid Zinc, nano titanium oxide, plasticizer, coupling agent, be aided with water bath with thermostatic control, centrifugation, vacuum drying, grinding refinement, at microwave The technique such as reason, mixing, plasticizing, melting extrusion, hot-forming so that the compound package material being prepared from, its stretch-proof, bending resistance Performance is good, and nonflammable, disclosure satisfy that the requirement of industry, with preferable application prospect.
（2）The compound package material raw material of stretch-proof of the invention is cheap, process is simple, is suitable to heavy industrialization fortune With practical.
Specific embodiment
The technical scheme invented is described in detail with reference to specific embodiment.
Embodiment 1
45 parts of low density polyethylene (LDPE), 40 parts of sodium carboxymethyl starch, 25 parts of butyl methacrylate, sea are accurately weighed according to weight portion 12 parts of propylene glycol alginate, 10 parts of hexamethoxymethyl melamine resin, 8 parts of microcrystalline cellulose, 8 parts of β-cyclodextrin, nitrous acid 6 parts of dicyclohexyl amine, 6 parts of anilinomethyl triethoxysilane, 5 parts of isobornyl acrylate, 4 parts of rosin sodium soap, 3 parts of activated carbon, 2 parts of zinc stearate, 2 parts of nano titanium oxide, N, 3 parts of N- dimethyl lauramides, 3 parts of vinyltrimethoxy silane.
（1）By low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate, propylene glycol alginate, hexakis-methoxy first Base melmac is put into thermostat water bath, and the polyethylene glycol of the quality such as addition, isothermal reaction 3 hours is centrifuged after discharging Separate, by separating mixture absolute ethanol washing 2 times, then be placed in vacuum drying chamber and dry 5 hours, obtain pretreatment mixed Compound；
（2）Activated carbon, zinc stearate are ground refinement, microcrystalline cellulose, β-cyclodextrin, the ring of nitrous acid two is subsequently adding Hexylamine, anilinomethyl triethoxysilane, are warming up to 50 DEG C after being mixed thoroughly, microwave treatment 25 minutes is obtained at microwave Reason mixture, the wherein frequency of microwave treatment are 2200 MHz, power is 1000 W；
（3）The preconditioned mixture of step 1 gained is sufficiently mixed with the microwave treatment mixture of step 2 gained, is stirred, Add isobornyl acrylate, rosin sodium soap, nano titanium oxide, N, N- dimethyl lauramides, vinyl trimethoxy Silane, is warming up to 85 DEG C, kneads 15 minutes, is subsequently sent to be plastified in banbury, and plasticization temperature is 110 DEG C, fusion time It is 20 minutes, then the material of gained is transferred in double roller open mill and is further plastified, plasticization temperature is 90 DEG C, modeling The change time is 10 minutes；
（4）Compound after plasticizing is added in parallel double-screw extruder to carry out melt blending and granulates, wherein parallel double The barrel zone temperature of screw extruder is 190 DEG C, and die head temperature is 195 DEG C, and screw speed is 500 revs/min, then by particulate material hot pressing Machine carries out hot-forming, and at 190 DEG C, briquetting pressure control is controlled at 6 points in 50 kg/cm2, dwell time for hot pressing temperature control Clock, obtains finished product after shaping.
The performance test results of the compound package material of obtained stretch-proof are as shown in table 1.
Embodiment 2
50 parts of low density polyethylene (LDPE), 45 parts of sodium carboxymethyl starch, 30 parts of butyl methacrylate, sea are accurately weighed according to weight portion 15 parts of propylene glycol alginate, 13 parts of hexamethoxymethyl melamine resin, 10 parts of microcrystalline cellulose, 9 parts of β-cyclodextrin, nitrous 7 parts of sour dicyclohexyl amine, 7 parts of anilinomethyl triethoxysilane, 7 parts of isobornyl acrylate, 5 parts of rosin sodium soap, activated carbon 4 Part, 3 parts of zinc stearate, 3 parts of nano titanium oxide, 4 parts of dioctyl adipate, 4 parts of the oleic acid acyloxy titanate esters of isopropyl three.
（1）By low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate, propylene glycol alginate, hexakis-methoxy first Base melmac is put into thermostat water bath, and the polyethylene glycol of the quality such as addition, isothermal reaction 3 hours is centrifuged after discharging Separate, by separating mixture absolute ethanol washing 2 times, then be placed in vacuum drying chamber and dry 5 hours, obtain pretreatment mixed Compound；
（2）Activated carbon, zinc stearate are ground refinement, microcrystalline cellulose, β-cyclodextrin, the ring of nitrous acid two is subsequently adding Hexylamine, anilinomethyl triethoxysilane, are warming up to 55 DEG C after being mixed thoroughly, microwave treatment 30 minutes is obtained at microwave Reason mixture, the wherein frequency of microwave treatment are 2200 MHz, power is 1000 W；
（3）The preconditioned mixture of step 1 gained is sufficiently mixed with the microwave treatment mixture of step 2 gained, is stirred, Add isobornyl acrylate, rosin sodium soap, nano titanium oxide, dioctyl adipate, the oleic acid acyloxy titanium of isopropyl three Acid esters, is warming up to 90 DEG C, kneads 18 minutes, is subsequently sent to be plastified in banbury, and plasticization temperature is 115 DEG C, fusion time It is 20 minutes, then the material of gained is transferred in double roller open mill and is further plastified, plasticization temperature is 92 DEG C, modeling The change time is 11 minutes；
（4）Compound after plasticizing is added in parallel double-screw extruder to carry out melt blending and granulates, wherein parallel double The barrel zone temperature of screw extruder is 195 DEG C, and die head temperature is 200 DEG C, and screw speed is 550 revs/min, then by particulate material hot pressing Machine carries out hot-forming, and at 195 DEG C, briquetting pressure control is controlled at 7 points in 50 kg/cm2, dwell time for hot pressing temperature control Clock, obtains finished product after shaping.
The performance test results of the compound package material of obtained stretch-proof are as shown in table 1.
Embodiment 3
55 parts of low density polyethylene (LDPE), 50 parts of sodium carboxymethyl starch, 35 parts of butyl methacrylate, sea are accurately weighed according to weight portion 18 parts of propylene glycol alginate, 16 parts of hexamethoxymethyl melamine resin, 12 parts of microcrystalline cellulose, 10 parts of β-cyclodextrin, nitrous 8 parts of sour dicyclohexyl amine, 8 parts of anilinomethyl triethoxysilane, 9 parts of isobornyl acrylate, 6 parts of rosin sodium soap, activated carbon 5 Part, 4 parts of zinc stearate, 4 parts of nano titanium oxide, 5 parts of chlorinated paraffin, 5 parts of distearyl acyl-oxygen aluminum isopropoxide acid esters.
（1）By low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate, propylene glycol alginate, hexakis-methoxy first Base melmac is put into thermostat water bath, and the polyethylene glycol of the quality such as addition, isothermal reaction 3 hours is centrifuged after discharging Separate, by separating mixture absolute ethanol washing 2 times, then be placed in vacuum drying chamber and dry 5 hours, obtain pretreatment mixed Compound；
（2）Activated carbon, zinc stearate are ground refinement, microcrystalline cellulose, β-cyclodextrin, the ring of nitrous acid two is subsequently adding Hexylamine, anilinomethyl triethoxysilane, are warming up to 60 DEG C after being mixed thoroughly, microwave treatment 35 minutes is obtained at microwave Reason mixture, the wherein frequency of microwave treatment are 2200 MHz, power is 1000 W；
（3）The preconditioned mixture of step 1 gained is sufficiently mixed with the microwave treatment mixture of step 2 gained, is stirred, Isobornyl acrylate, rosin sodium soap, nano titanium oxide, chlorinated paraffin, distearyl acyl-oxygen aluminum isopropoxide acid esters are added, 95 DEG C are warming up to, are kneaded 20 minutes, be subsequently sent to be plastified in banbury, plasticization temperature is 120 DEG C, fusion time is 20 points , then be transferred to the material of gained in double roller open mill and further plastify by clock, and plasticization temperature is 95 DEG C, fusion time It is 12 minutes；
（4）Compound after plasticizing is added in parallel double-screw extruder to carry out melt blending and granulates, wherein parallel double The barrel zone temperature of screw extruder is 200 DEG C, and die head temperature is 205 DEG C, and screw speed is 600 revs/min, then by particulate material hot pressing Machine carries out hot-forming, and at 200 DEG C, briquetting pressure control is controlled at 8 points in 50 kg/cm2, dwell time for hot pressing temperature control Clock, obtains finished product after shaping.
The performance test results of the compound package material of obtained stretch-proof are as shown in table 1.
Embodiment 4
55 parts of low density polyethylene (LDPE), 40 parts of sodium carboxymethyl starch, 35 parts of butyl methacrylate, sea are accurately weighed according to weight portion 12 parts of propylene glycol alginate, 16 parts of hexamethoxymethyl melamine resin, 8 parts of microcrystalline cellulose, 10 parts of β-cyclodextrin, nitrous 6 parts of sour dicyclohexyl amine, 8 parts of anilinomethyl triethoxysilane, 5 parts of isobornyl acrylate, 6 parts of rosin sodium soap, activated carbon 3 Part, 4 parts of zinc stearate, 2 parts of nano titanium oxide, 5 parts of chlorinated paraffin, 3 parts of the oleic acid acyloxy titanate esters of isopropyl three.
（1）By low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate, propylene glycol alginate, hexakis-methoxy first Base melmac is put into thermostat water bath, and the polyethylene glycol of the quality such as addition, isothermal reaction 3 hours is centrifuged after discharging Separate, by separating mixture absolute ethanol washing 2 times, then be placed in vacuum drying chamber and dry 5 hours, obtain pretreatment mixed Compound；
（2）Activated carbon, zinc stearate are ground refinement, microcrystalline cellulose, β-cyclodextrin, the ring of nitrous acid two is subsequently adding Hexylamine, anilinomethyl triethoxysilane, are warming up to 60 DEG C after being mixed thoroughly, microwave treatment 25 minutes is obtained at microwave Reason mixture, the wherein frequency of microwave treatment are 2200 MHz, power is 1000 W；
（3）The preconditioned mixture of step 1 gained is sufficiently mixed with the microwave treatment mixture of step 2 gained, is stirred, Isobornyl acrylate, rosin sodium soap, nano titanium oxide, chlorinated paraffin, the oleic acid acyloxy titanate esters of isopropyl three are added, 95 DEG C are warming up to, are kneaded 15 minutes, be subsequently sent to be plastified in banbury, plasticization temperature is 120 DEG C, fusion time is 20 points , then be transferred to the material of gained in double roller open mill and further plastify by clock, and plasticization temperature is 90 DEG C, fusion time It is 12 minutes；
（4）Compound after plasticizing is added in parallel double-screw extruder to carry out melt blending and granulates, wherein parallel double The barrel zone temperature of screw extruder is 190 DEG C, and die head temperature is 205 DEG C, and screw speed is 500 revs/min, then by particulate material hot pressing Machine carries out hot-forming, and at 200 DEG C, briquetting pressure control is controlled at 6 points in 50 kg/cm2, dwell time for hot pressing temperature control Clock, obtains finished product after shaping.
The performance test results of the compound package material of obtained stretch-proof are as shown in table 1.
Comparative example 1
50 parts of low density polyethylene (LDPE), 45 parts of sodium carboxymethyl starch, 30 parts of butyl methacrylate, sea are accurately weighed according to weight portion 15 parts of propylene glycol alginate, 13 parts of hexamethoxymethyl melamine resin, 10 parts of microcrystalline cellulose, 7 parts of dicyclohexyl amine nitrite, 7 parts of anilinomethyl triethoxysilane, 7 parts of isobornyl acrylate, 5 parts of rosin sodium soap, 4 parts of activated carbon, 3 parts of zinc stearate, 4 parts of dioctyl adipate, 4 parts of the oleic acid acyloxy titanate esters of isopropyl three.
（1）By low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate, propylene glycol alginate, hexakis-methoxy first Base melmac is put into thermostat water bath, and the polyethylene glycol of the quality such as addition, isothermal reaction 3 hours is centrifuged after discharging Separate, by separating mixture absolute ethanol washing 2 times, then be placed in vacuum drying chamber and dry 5 hours, obtain pretreatment mixed Compound；
（2）Activated carbon, zinc stearate are ground refinement, microcrystalline cellulose, dicyclohexyl amine nitrite, aniline first is subsequently adding Ethyl triethoxy silicane alkane, is warming up to 55 DEG C after being mixed thoroughly, microwave treatment 30 minutes obtains microwave treatment mixture, its The frequency of middle microwave treatment is 2200 MHz, power is 1000 W；
（3）The preconditioned mixture of step 1 gained is sufficiently mixed with the microwave treatment mixture of step 2 gained, is stirred, Isobornyl acrylate, rosin sodium soap, dioctyl adipate, the oleic acid acyloxy titanate esters of isopropyl three are added, 90 are warming up to DEG C, knead 18 minutes, it is subsequently sent to be plastified in banbury, plasticization temperature is 115 DEG C, and fusion time is 20 minutes, then The material of gained is transferred in double roller open mill and is further plastified, plasticization temperature is 92 DEG C, fusion time is 11 points Clock；
（4）Compound after plasticizing is added in parallel double-screw extruder to carry out melt blending and granulates, wherein parallel double The barrel zone temperature of screw extruder is 195 DEG C, and die head temperature is 200 DEG C, and screw speed is 550 revs/min, then by particulate material hot pressing Machine carries out hot-forming, and at 195 DEG C, briquetting pressure control is controlled at 7 points in 50 kg/cm2, dwell time for hot pressing temperature control Clock, obtains finished product after shaping.
The performance test results of the compound package material of obtained stretch-proof are as shown in table 1.
Comparative example 2
55 parts of low density polyethylene (LDPE), 40 parts of sodium carboxymethyl starch, 35 parts of butyl methacrylate, sea are accurately weighed according to weight portion 12 parts of propylene glycol alginate, 16 parts of hexamethoxymethyl melamine resin, 8 parts of microcrystalline cellulose, 10 parts of β-cyclodextrin, aniline 8 parts of MTES, 5 parts of isobornyl acrylate, 3 parts of activated carbon, 4 parts of zinc stearate, 2 parts of nano titanium oxide, 5 parts of chlorinated paraffin, 3 parts of the oleic acid acyloxy titanate esters of isopropyl three.
（1）By low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate, propylene glycol alginate, hexakis-methoxy first Base melmac is put into thermostat water bath, and the polyethylene glycol of the quality such as addition, isothermal reaction 3 hours is centrifuged after discharging Separate, by separating mixture absolute ethanol washing 2 times, then be placed in vacuum drying chamber and dry 5 hours, obtain pretreatment mixed Compound；
（2）Activated carbon, zinc stearate are ground refinement, microcrystalline cellulose, β-cyclodextrin, anilinomethyl three is subsequently adding Ethoxysilane, is warming up to 60 DEG C after being mixed thoroughly, microwave treatment 25 minutes obtains microwave treatment mixture, wherein micro- The frequency of ripple treatment is 2200 MHz, power is 1000 W；
（3）The preconditioned mixture of step 1 gained is sufficiently mixed with the microwave treatment mixture of step 2 gained, is stirred, Isobornyl acrylate, nano titanium oxide, chlorinated paraffin, the oleic acid acyloxy titanate esters of isopropyl three are added, 95 are warming up to DEG C, knead 15 minutes, it is subsequently sent to be plastified in banbury, plasticization temperature is 120 DEG C, and fusion time is 20 minutes, then The material of gained is transferred in double roller open mill and is further plastified, plasticization temperature is 90 DEG C, fusion time is 12 points Clock；
（4）Compound after plasticizing is added in parallel double-screw extruder to carry out melt blending and granulates, wherein parallel double The barrel zone temperature of screw extruder is 190 DEG C, and die head temperature is 205 DEG C, and screw speed is 500 revs/min, then by particulate material hot pressing Machine carries out hot-forming, and at 200 DEG C, briquetting pressure control is controlled at 6 points in 50 kg/cm2, dwell time for hot pressing temperature control Clock, obtains finished product after shaping.
The performance test results of the compound package material of obtained stretch-proof are as shown in table 1.
The compound package material of the obtained stretch-proof of embodiment 1-4 and comparative example 1-2 is carried out into draftability, bending respectively Property, this several performance tests of anti-flammability.
Table 1
Tensile strength（MPa） Bending strength（MPa） UL94 flame retardant ratings
Embodiment 1 54.8 78.1 V-0
Embodiment 2 57.1 80.6 V-0
Embodiment 3 56.5 79.5 V-0
Embodiment 4 55.2 78.4 V-0
Comparative example 1 35.7 63.8 V-0
Comparative example 2 33.0 62.4 V-0
The compound package material of stretch-proof of the invention is with low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate Main component, by add propylene glycol alginate, hexamethoxymethyl melamine resin, microcrystalline cellulose, β-cyclodextrin, Dicyclohexyl amine nitrite, anilinomethyl triethoxysilane, isobornyl acrylate, rosin sodium soap, activated carbon, zinc stearate, Nano titanium oxide, plasticizer, coupling agent, be aided with water bath with thermostatic control, centrifugation, vacuum drying, grinding refinement, microwave treatment, The technique such as mixing, plasticizing, melting extrusion, hot-forming so that the compound package material being prepared from, its stretch-proof, flexing resistance Can be good and nonflammable, the requirement of industry is disclosure satisfy that, with preferable application prospect.The compound bag of stretch-proof of the invention Package material raw material is cheap, process is simple, is suitable to heavy industrialization utilization, practical.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks Domain, is included within the scope of the present invention.

Claims (6)

1. a kind of compound package material of stretch-proof, it is characterised in that：It is made from the following raw materials in parts by weight:Low density polyethylene Alkene 45-55 parts, sodium carboxymethyl starch 40-50 parts, butyl methacrylate 25-35 parts, propylene glycol alginate 12-18 parts, six 10-16 parts of methylated methylol melamine resin, microcrystalline cellulose 8-12 parts, β-cyclodextrin 8-10 parts, dicyclohexyl amine nitrite 6- 8 parts, anilinomethyl triethoxysilane 6-8 parts, isobornyl acrylate 5-9 parts, rosin sodium soap 4-6 parts, activated carbon 3-5 parts, Zinc stearate 2-4 parts, nano titanium oxide 2-4 parts, plasticizer 3-5 parts, coupling agent 3-5 parts.
2. the compound package material of a kind of stretch-proof according to claim 1, it is characterised in that：The plasticizer is selected from N, Any one in N- dimethyl lauramides, dioctyl adipate and chlorinated paraffin.
3. the compound package material of a kind of stretch-proof according to claim 1, it is characterised in that：The coupling agent is selected from second It is any one in alkenyl trimethoxy silane, the oleic acid acyloxy titanate esters of isopropyl three and distearyl acyl-oxygen aluminum isopropoxide acid esters Kind.
4. the preparation method of the compound package material according to any described stretch-proof of claims 1 to 3, it is characterised in that bag Include following steps：
（1）By low density polyethylene (LDPE), sodium carboxymethyl starch, butyl methacrylate, propylene glycol alginate, hexakis-methoxy methyl three Cymel is put into thermostat water bath, the polyethylene glycol of the quality such as addition, isothermal reaction 3 hours, centrifugation after discharging, By separating mixture absolute ethanol washing 2 times, then it is placed in vacuum drying chamber and dries 5 hours, obtains preconditioned mixture；
（2）Activated carbon, zinc stearate are ground refinement, microcrystalline cellulose, β-cyclodextrin, the ring of nitrous acid two is subsequently adding Hexylamine, anilinomethyl triethoxysilane, are warming up to 50-60 DEG C after being mixed thoroughly, microwave treatment 25-35 minutes, obtain Microwave treatment mixture；
（3）The preconditioned mixture of step 1 gained is sufficiently mixed with the microwave treatment mixture of step 2 gained, is stirred, Isobornyl acrylate, rosin sodium soap, nano titanium oxide, plasticizer, coupling agent are added, 85-95 DEG C, mixing is warming up to 15-20 minutes, it is subsequently sent to be plastified in banbury, plasticization temperature is 110-120 DEG C, fusion time is 20 minutes, then The material of gained is transferred in double roller open mill and is further plastified, plasticization temperature is 90-95 DEG C, fusion time is 10-12 minutes；
（4）Compound after plasticizing is added in parallel double-screw extruder to carry out melt blending and granulates, then by particulate material Hot press carries out hot-forming, and at 190-200 DEG C, briquetting pressure is controlled in 50 kg/cm for hot pressing temperature control2, the dwell time Control obtained finished product at 6-8 minutes after shaping.
5. the preparation method of the compound package material of stretch-proof according to claim 4, it is characterised in that：The step （2）The frequency of middle microwave treatment is 2200 MHz, power is 1000 W.
6. the preparation method of the compound package material of stretch-proof according to claim 4, it is characterised in that：The step （4）The barrel zone temperature of middle parallel double-screw extruder is 190-200 DEG C, and die head temperature is 195-205 DEG C, and screw speed is 500- 600 revs/min.
CN201611203199.3A 2016-12-23 2016-12-23 A kind of compound package material of stretch-proof and preparation method thereof Pending CN106810745A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107447590A (en) * 2017-07-29 2017-12-08 马鞍山市康辉纸箱纸品有限公司 A kind of fungus-proofing package paper

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104927318A (en) * 2014-03-21 2015-09-23 天津优致科技有限公司 Degradable plastic packaging bag

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104927318A (en) * 2014-03-21 2015-09-23 天津优致科技有限公司 Degradable plastic packaging bag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107447590A (en) * 2017-07-29 2017-12-08 马鞍山市康辉纸箱纸品有限公司 A kind of fungus-proofing package paper

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