CN106700212A - High calcium filled PE degradable material and preparation method thereof - Google Patents
High calcium filled PE degradable material and preparation method thereof Download PDFInfo
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- CN106700212A CN106700212A CN201510774097.6A CN201510774097A CN106700212A CN 106700212 A CN106700212 A CN 106700212A CN 201510774097 A CN201510774097 A CN 201510774097A CN 106700212 A CN106700212 A CN 106700212A
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- caco
- coupling agent
- high calcium
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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
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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
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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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
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention belongs to the technical field of film materials, and concretely relates to a high calcium filled PE degradable material and a preparation method thereof. The technical problem to be solved in the invention is difficulty in degradation of present CaCO3 filled modified PE plastic blown films. The high calcium filled PE degradable material provided by the invention is prepared from, by weight, 55 parts of CaCO3, 1.5 parts of an aluminate coupling agent, 25 parts of a PE plastic carrier, 10 parts of zinc stearate, 5 parts of modified starch and 2 parts of paraffin. The material is a nontoxic, odorless, pollution-free, degradable, suitable, green, clean and environmentally-friendly material, and is attractive in price and quality.
Description
Technical field
The invention belongs to thin-film material technical field, and in particular to high calcium filling PE degradation materials and preparation method thereof.
Background technology
Using CaCO3Filling-modified PE plastic blown film packaging bag, can play reduction material cost, improve film, very dialling for bag and spend, and reduce shrinkage factor and improve the effect of degraded.But its dosage is only limitted to less than 10%, poor mechanical property, low intensity and blowing processing difficulties are otherwise easily caused, and because the content of Ca is low, degradation effect is not obvious.Therefore, the not degradable waste PE film for causing and packaging bag causes environmental pollution, and Ca contents are big, and not easy processing, intensity difference, does not apply to and waits serious obstruction CaCO3Application is filled in terms of PE packaging films and agricultural film.
The content of the invention
The technical problem to be solved in the present invention is existing CaCO3Filling-modified PE plastic blown film is not degradable.
The invention provides a kind of high calcium filling PE degradation materials, its preparing raw material includes the composition of following weight portion：55 parts of CaCO3, 1.5 parts of aluminate coupling agent, 25 parts of PE plastic carriers, 10 parts of zinc stearates, 5 parts of modified starches, 2 parts of paraffin.
Wherein, described PE carrier plastics are linear low density polyethylene (LLDPE) LLDPE, metallocene PE mLLDPE or high density polyethylene.
Present invention also offers the preparation method that the high calcium fills PE degradation materials, it is characterised in that：Comprise the following steps：
A, preparation raw material：Prepare raw material according to following weight portion：55 parts of CaCO3, 1.5 parts of aluminate coupling agent, 25 parts of PE plastic carriers, 10 parts of zinc stearates, 5 parts of modified starches, 2 parts of paraffin；
B, preparation：By CaCO3, aluminate coupling agent, PE plastic carriers, part zinc stearate input mixer, 110 DEG C are warming up under high velocity agitation, modified starch is added after 8 minutes, continue to stir 10 minutes, add paraffin, mixing stirring, cooled down after melting is uniform, screw extruder hopper is put into, mixing granulator is obtained blown film PP Pipe Compound.
The substantial amounts of CaCO of present invention filling3After inorganic mineral powder, the intersegmental active force of macromolecular chain is weakened.The decrease of the strong power of secondary valency, after the free radical chain-breaking reaction for triggering light degradation occurs, the mechanical properties decrease of plastics is particularly evident.The Calcium carbonate filler of selection, can be by some inorganic nutrients type microorganisms as carbon source direct effect；Meanwhile, organic acid and nitrobacteria that microorganism produces in soil during activity, the nitric acid that sulfide-oxidizing enzyme is produced, sulfuric acid can further improve CaCO3Dissolubility.In moist environment, nitrate can also occur chemolysis.The comprehensive function of various factors, cause it is calcium carbonate-filled after, the degradation process of plastics is greatly accelerated.Again using adding biodegradation agent to further speed up Study of Biodegradation of Common, double down requirement is reached.
Metallocene PE MPE is a kind of Novel hot thermal plastic, is after an important innovation after LLDPE production technologies, MPE widely applicable flexible packaging film.MPE is better than tradition PE in toughness, transparency, thermal viscosity, heat-sealing temperature, low smell etc..EVA and PE activeness and quietness auxiliary agents are suitably added again, the tensile strength and elongation of film and product is improved, therefore, adding 55% CaCO3Powder filling situation can still keep preferable mechanical property.
Natural minerals CaCO3With nonpoisonous and tasteless, whiteness is high, with low cost, good processability, the overall merit such as environment-friendly, it is possible to achieve height filling, the purpose of low cost, product have very strong competitiveness.Polyethylene/natural whiting composite degradation film pilot product, mechanical property and light degradation property meet the requirement of GB/T2461-1999 and HJBZ12-2000 standards.
Beneficial effects of the present invention：It is high that the present invention develops CaCO3 contents, mechanical property is basically unchanged, intensity is high, the strong new metallocene LLDPE thin-film materials of pulling force, and be can be mass in the case where original production equipment less changes, add degradable dose in right amount again and biodegradation agent reaches double down, be a kind of nonpoisonous and tasteless pollution-free degradable and applicable, quality-high and inexpensive green clean environment firendly material.
Specific embodiment
Embodiment
The preparation of material of the present invention
A, preparation raw material：Prepare raw material according to following weight portion：55 parts of CaCO3, 1.5 parts of aluminate coupling agent, 25 parts of PE plastic carriers（Linear low density polyethylene (LLDPE)）, 10 parts of zinc stearate, 5 parts of modified starches, 2 parts of paraffin；
B, preparation：By CaCO3, aluminate coupling agent, PE plastic carriers, part zinc stearate input mixer, 110 DEG C are warming up under high velocity agitation, modified starch is added after 8 minutes, continue to stir 10 minutes, add paraffin, mixing stirring, cooled down after melting is uniform, screw extruder hopper is put into, mixing granulator is obtained blown film PP Pipe Compound.
Claims (3)
1. a kind of high calcium fills PE degradation materials, it is characterised in that：Its preparing raw material includes the composition of following weight portion：55 parts of CaCO3, 1.5 parts of aluminate coupling agent, 25 parts of PE plastic carriers, 10 parts of zinc stearates, 5 parts of modified starches, 2 parts of paraffin.
2. material as claimed in claim 1, it is characterised in that：Described PE carrier plastics are linear low density polyethylene (LLDPE) LLDPE, metallocene PE mLLDPE or high density polyethylene.
3. high calcium described in claim 1 or 2 fills the preparation method of PE degradation materials, it is characterised in that：Comprise the following steps：
A, preparation raw material：Prepare raw material according to following weight portion：55 parts of CaCO3, 1.5 parts of aluminate coupling agent, 25 parts of PE plastic carriers, 10 parts of zinc stearates, 5 parts of modified starches, 2 parts of paraffin；
B, preparation：By CaCO3, aluminate coupling agent, PE plastic carriers, zinc stearate input mixer, 110 DEG C are warming up under high velocity agitation, modified starch is added after 8 minutes, continue to stir 10 minutes, add paraffin, mixing stirring, cooled down after melting is uniform, screw extruder hopper is put into, mixing granulator is obtained blown film PP Pipe Compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510774097.6A CN106700212A (en) | 2015-11-13 | 2015-11-13 | High calcium filled PE degradable material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510774097.6A CN106700212A (en) | 2015-11-13 | 2015-11-13 | High calcium filled PE degradable material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106700212A true CN106700212A (en) | 2017-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510774097.6A Withdrawn CN106700212A (en) | 2015-11-13 | 2015-11-13 | High calcium filled PE degradable material and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106700212A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112608542A (en) * | 2020-12-04 | 2021-04-06 | 安徽强茗塑业科技有限公司 | Environment-friendly PE plastic particle and preparation method thereof |
-
2015
- 2015-11-13 CN CN201510774097.6A patent/CN106700212A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112608542A (en) * | 2020-12-04 | 2021-04-06 | 安徽强茗塑业科技有限公司 | Environment-friendly PE plastic particle and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170524 |