CN113121970B - Modified material and preparation method thereof - Google Patents
Modified material and preparation method thereof Download PDFInfo
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- CN113121970B CN113121970B CN202110423913.4A CN202110423913A CN113121970B CN 113121970 B CN113121970 B CN 113121970B CN 202110423913 A CN202110423913 A CN 202110423913A CN 113121970 B CN113121970 B CN 113121970B
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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- 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
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- 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
- C08K5/098—Metal salts of carboxylic acids
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- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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- 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
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
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- 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
- C08K5/54—Silicon-containing compounds
- C08K5/548—Silicon-containing compounds containing sulfur
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The invention belongs to the technical field of high polymer materials. The invention provides a modified material, wherein 60-80 parts of main resin is modified by using 20-35 parts of reinforcing agent, 0.1-0.5 part of slipping agent, 0.1-0.5 part of coupling agent and 5-10 parts of compatilizer, so that the performance of the resin is improved, and the addition of the coupling agent and the compatilizer ensures that the water-based ink is combined with a plastic bag more firmly after being printed and is not easy to peel off from the surface. Under the combined action of various additives, the performance of the resin is improved, various mechanical properties are improved, and the resin is not easy to tear. The invention also provides a preparation method of the modified material, which is characterized in that various components are mixed, then melted and cooled to obtain the modified material, and the modified material has the advantages of simple preparation process, low process requirement and suitability for large-scale production.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a modified material and a preparation method thereof.
Background
Patterns and characters can be printed on the outer surface of a plastic bag to provide information for a user, in the prior art, most of printing ink is chlorinated polypropylene solvent type ink which is firstly dissolved when in use, wherein half of the printing ink is toluene solvent, and toluene belongs to aromatic hydrocarbon substances with high volatility, is toxic and flammable and has great harm to human bodies and the environment. Therefore, the research direction of the existing ink is changed to water-based ink, water is used as a solvent to prepare liquid ink, and the liquid ink has the advantages of energy conservation, environmental protection and the like. However, the water-based ink does not adhere well to the plastic bag during the printing process, and the printed pattern is easily peeled off from the plastic bag. The problem of bonding plastic bags and aqueous inks is a problem that needs to be solved at present.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a modified material and a preparation method thereof.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a modified material which is prepared from the following components in parts by mass: 60-80 parts of main resin, 20-35 parts of reinforcing agent, 0.1-0.5 part of slipping agent, 0.1-0.5 part of coupling agent and 5-10 parts of compatilizer.
Preferably, the host resin is polylactic acid, polybutylene adipate/terephthalate, polybutylene adipate, or a carbon dioxide-butylene oxide-biocarbonate copolymer.
Preferably, the reinforcing agent comprises one or more of calcium carbonate, silicon dioxide, mica powder, magnesium oxide and aluminum oxide;
the particle size of the reinforcing agent is 80-150 mu m.
Preferably, the slipping agent is erucamide, oleamide, calcium stearate or zinc stearate;
the coupling agent is KH590, KH540, KH550, Si780, Si602 or Si 563.
Preferably, the compatilizer comprises one or more of maleic anhydride, acrylic acid and ethylene-vinyl acetate;
when the acrylic acid-vinyl acetate copolymer contains maleic anhydride, acrylic acid and ethylene-vinyl acetate at the same time, the mass ratio of the maleic anhydride to the acrylic acid to the ethylene-vinyl acetate copolymer is 1: 0.3-0.5: 0.4 to 0.7.
The invention also provides a plastic bag prepared from the modified material.
The invention also provides a preparation method of the modified material, which comprises the following steps:
(1) mixing the components to obtain a mixture;
(2) and melting the mixture, and cooling to obtain the modified material.
Preferably, the rotation speed of mixing in the step (1) is 100-150 rpm, and the mixing time is 10-20 min.
Preferably, the melting temperature in the step (2) is 200-240 ℃, and the melting time is 20-30 min.
Preferably, the rotation speed of the melting in the step (2) is 30 to 40 rpm.
The invention provides a modified material, which is characterized in that a reinforcing agent, a slipping agent, a coupling agent and a compatilizer are used for modifying main resin, so that the performance of the resin is improved, and the coupling agent and the compatilizer are added, so that the water-based ink is combined with a plastic bag more firmly after being printed and is not easy to peel off from the surface. Under the combined action of various additives, the performance of the resin is improved, various mechanical properties are improved, and the resin is not easy to tear. The invention also provides a preparation method of the modified material, which is characterized in that various components are mixed, then melted and cooled to obtain the modified material, and the preparation method is simple, low in process requirement and suitable for large-scale production.
Detailed Description
The invention provides a modified material which is prepared from the following components in parts by mass: 60-80 parts of main resin, 20-35 parts of reinforcing agent, 0.1-0.5 part of slipping agent, 0.1-0.5 part of coupling agent and 5-10 parts of compatilizer.
In the present invention, the main resin is 60 to 80 parts, preferably 64 to 76 parts, and more preferably 68 to 72 parts.
In the present invention, the host resin is preferably polylactic acid, polybutylene adipate/terephthalate, polybutylene adipate, or a carbon dioxide-butylene oxide-biocarbonate copolymer.
In the invention, the used main resin is a degradable environment-friendly material, is safe to the environment and reduces pollution as the same as the printed water-based ink.
In the invention, the reinforcing agent is 20-35 parts, preferably 24-31 parts, and more preferably 26-29 parts.
In the present invention, the reinforcing agent preferably comprises one or more of calcium carbonate, silica, mica powder, magnesium oxide, and aluminum oxide.
In the present invention, the particle size of the reinforcing agent is preferably 80 to 150 μm, more preferably 100 to 130 μm, and still more preferably 110 to 120 μm.
In the invention, the reinforcing agent is added into the main resin, so that the mechanical property of the modified material is improved, and the modified material is prevented from being torn in the using process.
In the invention, the slipping agent is 0.1-0.5 part, preferably 0.2-0.4 part, and more preferably 0.25-0.35 part.
In the present invention, the slip agent is preferably erucamide, oleamide, calcium stearate or zinc stearate.
In the present invention, the coupling agent is preferably KH590, KH540, KH550, Si780, Si602 or Si 563.
In the present invention, the compatibilizer preferably contains one or more of maleic anhydride, acrylic acid, and ethylene-vinyl acetate.
In the present invention, when maleic anhydride, acrylic acid and ethylene-vinyl acetate are contained together, the mass ratio of maleic anhydride, acrylic acid and ethylene-vinyl acetate is preferably 1: 0.3-0.5: 0.4 to 0.7, and more preferably 1: 0.33 to 0.47: 0.5 to 0.6, more preferably 1: 0.38-0.42: 0.54-0.56.
In the invention, the compatilizer and the coupling agent are added, so that the water-washing ink and the plastic bag are combined more firmly and are not easy to peel.
The invention also provides a plastic bag prepared from the modified material.
The invention also provides a preparation method of the modified material, which comprises the following steps:
(1) mixing the components to obtain a mixture;
(2) and melting the mixture, and cooling to obtain the modified material.
In the invention, the rotation speed of mixing in the step (1) is preferably 100-150 rpm, more preferably 110-140 rpm, and more preferably 120-130 rpm; the mixing time is preferably 10 to 20min, more preferably 12 to 18min, and still more preferably 14 to 16 min.
In the invention, the melting temperature in the step (2) is preferably 200-240 ℃, more preferably 210-230 ℃, and more preferably 215-225 ℃; the melting time is preferably 20 to 30min, more preferably 22 to 28min, and still more preferably 24 to 26 min.
In the present invention, the rotation speed of the melting in the step (2) is preferably 30 to 40rpm, more preferably 32 to 38rpm, and still more preferably 34 to 36 rpm.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
A modified material comprises the following components in parts by mass: 70 parts of polylactic acid, 30 parts of silicon dioxide, 0.3 part of erucamide, 0.3 part of KH550 and 8 parts of compatilizer.
Wherein the grain diameter of the silicon dioxide is 120 μm, and the mass ratio of maleic anhydride, acrylic acid and ethylene-vinyl acetate in the compatilizer is 1: 0.4: 0.6.
mixing the components at 130rpm for 20min to obtain a mixture; and melting the mixture for 25min at 230 ℃ and 35rpm, and naturally cooling to room temperature after the melting is finished to obtain the modified material.
The modified material was blow molded by methods well known to those skilled in the art to prepare plastic bags and tested for properties using nanogold 25% brand 0.045, and the results are reported in tables 1 and 2.
Example 2
A modified material comprises the following components in parts by mass: 80 parts of poly-butylene adipate/terephthalate, 20 parts of mica powder, 0.3 part of oleamide, 0.2 part of KH590 and 5 parts of maleic anhydride.
Wherein the particle size of the mica powder is 80 μm.
Mixing the components at 150rpm for 15min to obtain a mixture; and melting the mixture for 30min at 200 ℃ and 40rpm, and naturally cooling to room temperature after the melting is finished to obtain the modified material.
The modified material was blow molded by methods known to those skilled in the art to prepare plastic bags, and tested for properties using a nano-gold 25% plus brand 0.045, the results are reported in tables 1 and 2.
Example 3
A modified material comprises the following components in parts by mass: 70 parts of adipic acid polybutene, 23 parts of alumina, 0.1 part of calcium stearate, 0.4 part of Si602 and 10 parts of ethylene-vinyl acetate.
Wherein the particle size of the alumina is 140 μm.
Mixing the components at 120rpm for 20min to obtain a mixture; and melting the mixture at 230 ℃ and 35rpm for 25min, and naturally cooling to room temperature after the melting is finished to obtain the modified material.
The modified material was blow molded by methods known to those skilled in the art to prepare plastic bags, and tested for properties using a nano-gold 25% plus brand 0.045, the results are reported in tables 1 and 2.
Example 4
A modified material comprises the following components in parts by mass: 80 parts of carbon dioxide-butylene oxide-biological carbonic acid compound copolymer, 28 parts of calcium carbonate, 0.2 part of zinc stearate, 0.4 part of Si780 and 7 parts of acrylic acid.
Wherein the particle size of the calcium carbonate is 100 μm.
Mixing the components at 140rpm for 15min to obtain a mixture; and melting the mixture for 30min at 210 ℃ and 40rpm, and naturally cooling to room temperature after the melting is finished to obtain the modified material.
The modified material was blow molded by methods known to those skilled in the art to prepare plastic bags, and tested for properties using a nano-gold 25% plus brand 0.045, the results are reported in tables 1 and 2.
Comparative example
Common plastic bags on the market are selected, and a nano-gold 25% genuine material 0.045 is adopted for performance test, and the results are recorded in tables 1 and 2.
TABLE 1
TABLE 2
From the above examples, it can be seen that the present invention provides a modified material, which can be used to prepare plastic bags. According to the modified material provided by the invention, the adhesion fastness of the water-based ink after printing is up to 95%, the friction resistance times of printing are up to 186 times, and the pattern falling phenomenon is not easy to occur; on the basis, the plastic bag has excellent physical and mechanical properties, and each performance index far exceeds the strength of the existing plastic bag. The modified material provided by the invention can be used for preparing plastic bags with excellent performance, is green and environment-friendly, and reduces the burden on the environment.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The modified material is characterized by being prepared from the following components in parts by mass: 60-80 parts of main resin, 20-35 parts of reinforcing agent, 0.1-0.5 part of slipping agent, 0.1-0.5 part of coupling agent and 5-10 parts of compatilizer;
the reinforcing agent comprises one or more of calcium carbonate, silicon dioxide, mica powder, magnesium oxide and aluminum oxide;
the particle size of the reinforcing agent is 80-150 mu m;
the main body resin is polylactic acid, poly adipic acid/butylene terephthalate, adipic acid polybutylene or carbon dioxide-butylene oxide-biological carbonic acid compound copolymer;
the slipping agent is erucamide, oleamide, calcium stearate or zinc stearate;
the coupling agent is KH590, KH540, KH550, Si780, Si602 or Si 563;
the compatilizer comprises one or more of maleic anhydride, acrylic acid and ethylene-vinyl acetate;
when the acrylic acid-vinyl acetate copolymer contains maleic anhydride, acrylic acid and ethylene-vinyl acetate at the same time, the mass ratio of the maleic anhydride to the acrylic acid to the ethylene-vinyl acetate copolymer is 1: 0.3-0.5: 0.4 to 0.7.
2. A plastic bag made of the modified material of claim 1.
3. The method for preparing the modified material according to claim 1, comprising the steps of:
(1) mixing the components to obtain a mixture;
(2) and melting the mixture, and cooling to obtain the modified material.
4. The method according to claim 3, wherein the mixing in step (1) is performed at a rotation speed of 100 to 150rpm for 10 to 20 min.
5. The method according to claim 4, wherein the melting temperature in the step (2) is 200 to 240 ℃, and the melting time is 20 to 30 min.
6. The method according to any one of claims 3 to 5, wherein the rotation speed of the melting in the step (2) is 30 to 40 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423913.4A CN113121970B (en) | 2021-04-20 | 2021-04-20 | Modified material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423913.4A CN113121970B (en) | 2021-04-20 | 2021-04-20 | Modified material and preparation method thereof |
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| CN113121970A CN113121970A (en) | 2021-07-16 |
| CN113121970B true CN113121970B (en) | 2022-08-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3709923B2 (en) * | 2000-09-04 | 2005-10-26 | 平岡織染株式会社 | Film material for inkjet printing |
| CN103131145B (en) * | 2013-03-25 | 2015-01-21 | 山东汇盈新材料科技有限公司 | Completely biodegradable stone paper material and preparation method thereof |
| CN103865258A (en) * | 2013-09-11 | 2014-06-18 | 东风汽车电子有限公司 | Modified nylon plastic for laser etching and preparation method thereof |
| CN106084778B (en) * | 2016-06-29 | 2019-04-19 | 广州市聚赛龙工程塑料股份有限公司 | A kind of thermally conductive wear-resisting high-strength degree polyphenyl thioether composite material and preparation method thereof |
| CN109294189A (en) * | 2018-09-20 | 2019-02-01 | 张芸 | A kind of preparation method of high transparency heat shrinkable printing film |
| CN110698819A (en) * | 2019-10-18 | 2020-01-17 | 青岛周氏塑料包装有限公司 | Full-biological 100% degradation garbage bag with traceable two-dimensional code identification and preparation method |
| CN110655769A (en) * | 2019-11-08 | 2020-01-07 | 佰信(福建)新材料科技有限公司 | High-toughness fully-degradable composite material |
| CN112063140A (en) * | 2020-08-14 | 2020-12-11 | 安徽丰原生物新材料有限公司 | Polylactic acid modified material for injection molding product and preparation method thereof |
| CN112063139A (en) * | 2020-08-14 | 2020-12-11 | 安徽丰原生物新材料有限公司 | Polylactic acid modified material for food contact injection molding product and preparation method thereof |
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