CN100572433C - Fully biodegradable plastic resin and production method of film products thereof - Google Patents
Fully biodegradable plastic resin and production method of film products thereof Download PDFInfo
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- CN100572433C CN100572433C CNB2006100354660A CN200610035466A CN100572433C CN 100572433 C CN100572433 C CN 100572433C CN B2006100354660 A CNB2006100354660 A CN B2006100354660A CN 200610035466 A CN200610035466 A CN 200610035466A CN 100572433 C CN100572433 C CN 100572433C
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000000088 plastic resin Substances 0.000 title claims abstract description 17
- 229920000704 biodegradable plastic Polymers 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 26
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229920002472 Starch Polymers 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 15
- 235000019698 starch Nutrition 0.000 claims abstract description 15
- 239000008107 starch Substances 0.000 claims abstract description 15
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 11
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims abstract description 11
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 11
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000008117 stearic acid Substances 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 9
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- MEIRRNXMZYDVDW-MQQKCMAXSA-N (2E,4E)-2,4-hexadien-1-ol Chemical compound C\C=C\C=C\CO MEIRRNXMZYDVDW-MQQKCMAXSA-N 0.000 claims description 10
- 235000011187 glycerol Nutrition 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- OGBUMNBNEWYMNJ-UHFFFAOYSA-N batilol Chemical class CCCCCCCCCCCCCCCCCCOCC(O)CO OGBUMNBNEWYMNJ-UHFFFAOYSA-N 0.000 claims description 8
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 8
- 239000008116 calcium stearate Substances 0.000 claims description 8
- 235000013539 calcium stearate Nutrition 0.000 claims description 8
- 229920005839 ecoflex® Polymers 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 3
- 235000005822 corn Nutrition 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 240000008042 Zea mays Species 0.000 claims 1
- 239000000498 cooling water Substances 0.000 claims 1
- 239000003208 petroleum Substances 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 3
- 239000012620 biological material Substances 0.000 abstract description 2
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 229920002261 Corn starch Polymers 0.000 abstract 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 abstract 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 abstract 1
- 241000233866 Fungi Species 0.000 abstract 1
- 240000003183 Manihot esculenta Species 0.000 abstract 1
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 239000008120 corn starch Substances 0.000 abstract 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 abstract 1
- 239000000600 sorbitol Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 11
- 239000004033 plastic Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 7
- 238000005469 granulation Methods 0.000 description 6
- 230000003179 granulation Effects 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000012467 final product Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 239000012768 molten material Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 241000209149 Zea Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229920006167 biodegradable resin Polymers 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 235000012222 talc Nutrition 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 102000004533 Endonucleases Human genes 0.000 description 1
- 108010042407 Endonucleases Proteins 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003413 degradative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
Classifications
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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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen
- C08L23/0869—Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated acids, e.g. [meth]acrylic acid; with unsaturated esters, e.g. [meth]acrylic acid esters
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
-
- 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
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/16—Biodegradable polymers
-
- 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
- C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Biological Depolymerization Polymers (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a fully biodegradable plastic resin and a production method of a film product thereof. The main raw materials for preparing the completely biodegradable plastic resin comprise corn starch, tapioca starch, stearic acid, talcum powder, glycerol, sorbitol, ethylene acrylic acid copolymer and full biological materials, and the preparation method comprises the steps of mixing the materials in proportion and then granulating by a specially improved double-screw extruder. The production process has simple process, less working procedures and high efficiency, and the film product prepared by the plastic resin is abandoned in the nature and is completely decomposed into carbon dioxide and water within 3 months to half a year under the action of microorganisms and various fungi in the nature, so that the decomposition speed is high, and the film product is an ideal material for saving petroleum resources, treating 'white pollution', saving energy consumption and increasing the value of agricultural products.
Description
Technical field
The present invention relates to wrapping material, be specifically related to a kind of production method of fully biodegradable Plastic Resin, the invention still further relates to the film based article production method that adopts this fully biodegradable Plastic Resin.
Background technology
As everyone knows, petroleum resources are in short supply day by day now, and oil price is constantly soaring, brought many detrimentally affects for people's daily life, work, had a strong impact on The development in society and economy speed, also are the factors leading to social instability of contention for resource between the area.For a long time, our employed plastics film based article all is to use oil synthetic resins, as polyvinyl chloride, the disposable film class finished product that materials such as polyethylene are made, go out of use after using up and be rubbish, this rubbish need just can be decomposed in about 200 years, what therefore have is abandoned everywhere, caused very big " white pollution " of harm, what have is buried by heap, or burn, wasted the petroleum resources of ability formation in more than one hundred million years greatly, in throwing aside plastics film based article process, processing can produce direct atmosphere pollution of objectionable impurities or water source, because the petrochemical complex plastics are degradation characteristic not, the plastic damage that it is residual Soil structure, make the underproduction of many good farmlands, the soil Desertification, the river stops up, and causes flood.In recent years, solve " white pollution " harm that the mankind produce is just mentioned in the schedule discussion by many national government, cry is more and more higher, and various countries have dropped into a large amount of financial resource and material resource in succession, and have taken out corresponding control measures, but effect is all not obvious." white pollution " constantly breaking and encircling the physical environment that we depend on for existence, the harm that " white pollution " brings to people of trying every possible means to administer or eliminate of whole world effort.
Summary of the invention
The objective of the invention is to, the production method of a kind of fully biodegradable Plastic Resin and complete biodegradable film based article is provided.If the degraded plastic packaging film that adopts this method to produce, can fundamentally solve wrapping material after using, be discarded in the Nature or pile and be embedded in the rubbish, can be resolved into carbonic acid gas and water etc. fully in 3 months to the time of half a year, be a kind of wrapping material of fully biodegradable of the material that is of value to plant-growth.
Another object of the present invention is to solve the problem that replaces petroleum resource consumption.Described biodegradable material is full biomaterial, and not containing 4P (being PE, PP, PVC, PS) is a kind of brand-new biodegradable material, can effectively substitute petroleum resources.The whole world is used for polyolefine material number on the wrapping material every year in hundreds of millions tons, all is that the petroleum products cracking makes.The wrapping material that we successfully make starch base, when oil price is constantly soaring, will save the bulk petroleum resource every year for country.
Technical scheme provided by the invention is as follows:
The production of the present invention main raw material of biological decomposition resin fully comprises the novel environment friendly product that starch, stearic acid, talcum powder, glycerine, sorbyl alcohol, ethylene acrylic acid co polymer and BASF AG release, and commodity are called the ECOFLEX-full-biodegradable material.The parts by weight proportioning of wherein said each composition is:
Starch 25-35 part
Stearic acid 0.2-0.5 part
Calcium stearate 0.5-1.5 part
Mono-glycerides 1.0-3.0 part
Talcum part 5-8 part
Glycerine 5-10 part
Sorbyl alcohol 3-6 part
Ethylene acrylic acid co polymer 12-16 part
ECOFLEX 45-60 part
The industrial one-level starch that wherein said starch can adopt agricultural year crop corn to make.Described stearic acid chemical goods are on sale, its role is to improve the flowing property of Plastic Resin.Described glycerine, the sorbyl alcohol Chemical market is on sale.The alternative existing petrochemical complex plastics of the ECOFLEX of described BASF AG can be degraded in several weeks under soil or compost environment condition and not stayed residue.Can be used for food product pack, particularly the packing of gourmet food or green food.Its mechanism of degradation is that naturally occurring endonuclease capable is attacked it and biological degradation is taken place, and this material has passed through the test and the authentication of the biodegradable material system of Europe, Japan and other countries.
The production method of fully biodegradable Plastic Resin of the present invention is that starch, stearic acid, calcium stearate, mono-glycerides, talcum powder are mixed, stir, in whipping process, add ethylene acrylic acid co polymer, ECOFLEX, sorbyl alcohol, glycerine successively, obtain compound after stirring and get final product.
The production method of fully biodegradable Plastic Resin of the present invention also comprises compound can sell after product is qualified through granulation, vacuum packaging and checking procedure.
The mixing of wherein said each material is to stir through high-speed mixer to finish.
After described compound stirred, granulation process needed to carry out in intermeshing parallel dual-screw extruding machine.Extruding unit with ZSK-58 is example, and detailed process is: carry out preheating with what ZSK-58 was meshed to the twin screw extruder machine barrel, temperature is set to:
145 degrees centigrade in first district, 160 degrees centigrade in second district, 160 degrees centigrade in the 3rd district, 160 degrees centigrade in the 4th district, 150 degrees centigrade in the 5th district, 145 degrees centigrade in the 6th district
After the preheating temperature in each district of machine reaches set temperature, start main machine governor, screw speed is transferred to 200RPM/MIN: start and mix feeder, set the feeding frequency of feeding machine, to ZSK-58 parallel dual-screw extruding machine feeding; When molten materials when the discharge hole of die head is extruded, discharging needs through water cooling, and is air-dry through blower fan again, at last discharging sent into the granulation of granulation unit.Made pellet diameter is at 2-3MM, and the length of pellet is at 3-4MM, and the surface is yellowish cylindrical particles.Described discharging process of cooling should remain on about 20 degrees centigrade.The characteristic that has moisture absorption because of the biodegradable plastic resin, should discharge the air in the packing bag during packing, inner bag adopts PE film heat seal sealing, outer bag selects for use paper and plastics compound bag to sew up weather-proof dressing, the moisture content of reply resin in the production process, melt corresponding techniques index such as body index and control, detect, through package metro-measuring after the assay was approved, pack by 25 kilograms every bag, provide survey report and can sell.
The advantage of the production method of fully biodegradable Plastic Resin of the present invention is that technology is simple, adopt single stage method that various raw materials are mixed, by the twin screw extruder granulation, and starch does not need modification directly to make raw material, make course of processing operation reduce many links, benefit has improved.Made resin, can be on the general-purpose plastics molding device processed finished products.Raw material adopts the W-Gum of agricultural year crop renewable resources corn manufacturing as main raw material(s) of the present invention, saved a large amount of petroleum resources, China has solved the outlet of agricultural-food as large agricultural country, increase additional value of farm products simultaneously, helped Agricultural Development.Utilize ethylene acrylic acid co polymer that starch base and ECOFLEX are carried out modification, grafting, molecular linkage reorganization reaches can finally be resolved into dioxy carbon by microorganism and water does not stay any residue, has eliminated a large amount of plastics film based articles and has brought harm because of not decomposing " white pollution " that cause after discarding to the mankind.
Technology is also very simple when adopting the resin treatment of principal goods degradative plastics fully of the present invention to become the film based article, and detailed process is: L/D is advanced preheating more than or equal to 28: 1 inflation film manufacturing machine and curtain coating unit, is example with the blown film unit, and temperature is set to:
120 degrees centigrade in first district, 140 degrees centigrade in second district, 150 degrees centigrade in the 3rd district, 150 degrees centigrade in the 4th district, 140 degrees centigrade in the 5th district, 135 degrees centigrade in the 6th district.
After Dang Ge district temperature reaches the temperature of setting, add Biodegradable resin, start main motor, the adjusting screw(rod) rotating speed is to 300-450RPM/MIN, after molten materials comes out from die orifice, open air-pump inflating to required size, start take off roll, regulate pulling speed, normal back is opened the rolling of rolling unit and is got final product.
The present invention is less demanding to processing units, and the batch mixing process only needs a high-speed mixer that various materials are stirred to get final product.The production of fully biodegradable Plastic Resin just can be finished through mediating the improvement of piece specific combination on the twin screw extruder of homemade electromechanical, only needs 5 minutes just can finish the complicated course of processing, makes qualified complete biodegradable plastics resin.Facility investment is less, and used energy consumption is lower.
Embodiment
Example:
A kind of fully biodegradable resin is provided, its raw material comprises the novel environment friendly product that starch, stearic acid, calcium stearate, mono-glycerides, talcum powder, glycerine, sorbyl alcohol, ethylene acrylic acid co polymer and BASF AG release, and commodity are called the ECOFLEX-full-biodegradable material.Wherein: starch 25-35 part, stearic acid 0.2-0.5 part, calcium stearate 0.5-1.5 part, mono-glycerides 1.0-3.0 part, talcum part 5-8 part, glycerine 5-10 part, sorbyl alcohol 3-6 part, ethylene acrylic acid co polymer 12-16 part, its chief 45-60 part of ECOFLEX.
Carry out according to the following steps during preparation:
1, takes by weighing 25 kilograms of W-Gums, 0.2 kilogram stearic acid, 5 kilograms talcum powder, 0.5 kilogram calcium stearate, 1.0 kilograms mono-glycerides, 15 kilograms ethylene acrylic acid co polymer and 50 kilograms ECOFLEX-full-biodegradable material successively, join in the high-speed mixer of 200L, open agitator motor then and stirred 2 minutes.
2, take by weighing 8 kilograms glycerine, 4 kilograms sorbyl alcohol joins in the operating high-speed mixer successively slowly, opening low speed commentaries on classics high-speed cruising button makes material can stir fully inside, transferred low cruise in 2 minutes later on to, open the drain hole blowing and in charge cask, use in order to producing resin.
3, the ZSK-58 twin screw extruder power supply that closes is opened the forcing machine preheating switch, to the twin screw extruder heating, the temperature control instrument temperature is set at:
145 degrees centigrade in first district, 160 degrees centigrade in second district, 160 degrees centigrade in the 3rd district, 160 degrees centigrade in the 4th district, 150 degrees centigrade in the 5th district, 145 degrees centigrade in the 6th district, be 1.5 hours heat-up time, treats that temperature reaches back starter motor screw rod by-pass cock rotating speed is adjusted to 200RPM/MIN; Configure the feeding frequency of feeding machine; Start the mixing feeding machine and go out the machine feeding to the two spiral shells of ZSK-58.
4, when the molten state thing from die head
When going out into strips; Billot is introduced water-cooled in the tank; When drawing then billot is carried out granulation to tablets press, all normal after, resin is detected.
5, the particle that comes out of tablets press, the surface is little yellow; Particle is packed into outer bag and is paper and plastics compound bag; Inner bag is in the interior poly-bag of PE, measures 25 kilograms/every bag; Discharge the air in the inside and outside bag, poly-bag carries out heat seal in the PE, and outer bag is sewed up; Stack.Provide examining report during product export.
A kind of method that adopts fully biodegradable Plastic Resin particle processing film forming film based article is provided:
L/D is advanced preheating more than or equal to 28: 1 inflation film manufacturing machine and curtain coating unit, is example with the blown film unit, and temperature is set to:
120 degrees centigrade in first district, 140 degrees centigrade in second district, 150 degrees centigrade in the 3rd district, 150 degrees centigrade in the 4th district, 140 degrees centigrade in the 5th district, 135 degrees centigrade in the 6th district
After Dang Ge district temperature reaches the temperature of setting, add the resin particle material, start main motor, the adjusting screw(rod) rotating speed after molten materials comes out from die orifice, is opened air-pump inflating to required size to 300-450RPM/MIN, start take off roll, regulate pulling speed, open the rolling of rolling unit and get final product.
Claims (2)
1, a kind of fully biodegradable Plastic Resin, it is characterized in that resin is made of following component: starch, stearic acid, calcium stearate, mono-glycerides, talcum powder, glycerine, sorbyl alcohol, ethylene acrylic acid co polymer and commodity are called the ecoflex-full-biodegradable material; The parts by weight proportioning of wherein said each composition is: starch 25-35 part, stearic acid 0.2-0.5 part, calcium stearate 0.5-1.5 part, mono-glycerides 1.0-3.0 part, talcum powder 5-8 part, glycerine 5-10 part, sorbyl alcohol 3-6 part, ethylene acrylic acid co polymer 12-16 part, ECOFLEX 45-60 part; The industrial one-level starch that described starch adopts agricultural year crop corn renewable resources to make.
2, a kind of production method of fully biodegradable Plastic Resin according to claim 1; It is characterized in that production stage is as follows:
Earlier with W-Gum, stearic acid, calcium stearate, mono-glycerides, talcum powder, ethylene acrylic acid co polymer and commodity ECOFLEX-full-biodegradable material by name, join in the high-speed mixer, stirred 2 minutes, and added glycerine, sorbyl alcohol then slowly and open low speed and change high-speed cruising and make material can stir fully inside;
Above-mentioned various materials mixing, be melted in the intermeshing twin screw extruder and carry out, detailed process is: will rotate in the same way, the preheating of intermeshing ZSK-58 twin screw extruder machine barrel, 145 degrees centigrade in first district, 160 degrees centigrade in second district, 160 degrees centigrade in the 3rd district, 160 degrees centigrade in the 4th district, 150 degrees centigrade in the 5th district, 145 degrees centigrade in the 6th district, after Heating temperature reaches, start the homophony speed motor, screw speed is adjusted to 200RPM/MIN, set the feeding frequency of mixing feeding machine, to the twin screw extruder feeding; After molten billot is extruded from the die head discharge hole, to introduce water-cooled to dicing machine and cut into granularity at 2-3MM, length is at 3-4MM, cylindrical particle, described water cooling water temp should remain on about 20 degrees centigrade.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100354660A CN100572433C (en) | 2006-05-16 | 2006-05-16 | Fully biodegradable plastic resin and production method of film products thereof |
| PCT/CN2006/001475 WO2007134492A1 (en) | 2006-05-16 | 2006-06-27 | Fully biodegradable plastic resin, film article made therefrom and method for preparing the same |
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| CNB2006100354660A CN100572433C (en) | 2006-05-16 | 2006-05-16 | Fully biodegradable plastic resin and production method of film products thereof |
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| CN100572433C true CN100572433C (en) | 2009-12-23 |
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| CN102167890A (en) | 2006-07-28 | 2011-08-31 | 比澳格（香港）有限公司 | Masterbatch suitable for use in preparing a biodegradable polymer composition and its preparation method |
| CN101787156B (en) * | 2009-01-23 | 2013-12-25 | 卢财福 | Preparation method of environmental protection type biodegradable plastic additive with enhanced physical property |
| CN101798401B (en) * | 2010-03-30 | 2012-03-21 | 陈俊 | Canna edulis ker plastic and production method thereof |
| CN101831088B (en) * | 2010-04-23 | 2012-11-07 | 平顶山市蓝峰科技实业有限公司 | Marine microorganism completely degradable plastic |
| CN101942116B (en) * | 2010-09-03 | 2012-02-08 | 北京新华联生物材料有限公司 | Biodegradable thermoplastic starch resin for thin-film material, preparation method thereof and products thereof |
| CN102115549B (en) * | 2010-12-13 | 2012-09-05 | 北京新华联生物材料有限公司 | Biodegradable starch-containing high polymer composition and preparation thereof |
| CN102219985A (en) * | 2011-05-06 | 2011-10-19 | 苏州汉丰新材料有限公司 | Non staple food grain vegetable starch modified full-biodegradable dedicated resin and preparation method of dedicated resin |
| CN102408588B (en) * | 2011-09-20 | 2013-11-13 | 苏州汉丰新材料股份有限公司 | Completely biodegradable resin made of non-staple grain plant modified starch and preparation method thereof |
| CN102399417B (en) * | 2011-11-11 | 2013-09-25 | 中国科学院宁波材料技术与工程研究所 | Biodegradable material and preparation method and application thereof |
| CN104070661A (en) * | 2013-11-27 | 2014-10-01 | 洛阳豪特现代测试技术有限公司 | Waste plastic plasticizing, extruding and granulating process and device |
| CN113308060B (en) * | 2020-02-27 | 2022-05-27 | 安徽中浩医用塑业有限公司 | Production process of degradable plastic barrel |
| CN111378209B (en) * | 2020-04-20 | 2021-05-07 | 上海交通大学 | Preparation method of biodegradable packaging film |
| CN113799364A (en) * | 2021-09-23 | 2021-12-17 | 金旸（厦门）新材料科技有限公司 | Screw combination, parallel double-screw extruder, high-conductivity PP/HIPS composite material and preparation method thereof |
| CN113911537B (en) * | 2021-10-18 | 2023-03-17 | 安徽睿智弘科技有限公司 | High-toughness biodegradable plastic bag and processing technology thereof |
| CN114058192A (en) * | 2021-10-28 | 2022-02-18 | 安徽鑫顺新材料股份有限公司 | Degradable environment-friendly plastic bag based on waste recycling and processing method thereof |
| CN114407225B (en) * | 2021-12-15 | 2023-09-22 | 江苏绿禾新材料有限公司 | Preparation method of fully-degradable plastic for preparing disposable thin film glove |
| CN114850193B (en) * | 2022-05-20 | 2023-03-14 | 渭南市农业技术推广中心 | Method for controlling degradation speed of agricultural biodegradable mulching film |
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| CN1903922A (en) | 2007-01-31 |
| WO2007134492A1 (en) | 2007-11-29 |
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