WO2017152773A1 - 一种可生物降解聚酯组合物 - Google Patents
一种可生物降解聚酯组合物 Download PDFInfo
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- WO2017152773A1 WO2017152773A1 PCT/CN2017/074675 CN2017074675W WO2017152773A1 WO 2017152773 A1 WO2017152773 A1 WO 2017152773A1 CN 2017074675 W CN2017074675 W CN 2017074675W WO 2017152773 A1 WO2017152773 A1 WO 2017152773A1
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- polyester composition
- biodegradable polyester
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- tetrahydrofuran
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- 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
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- 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
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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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- 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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- 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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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/07—Aldehydes; Ketones
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- 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
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1535—Five-membered rings
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/14—Copolymers of styrene with unsaturated esters
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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
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/02—Starch; Degradation products thereof, e.g. dextrin
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
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- 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
- C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2425/02—Homopolymers or copolymers of hydrocarbons
- C08J2425/04—Homopolymers or copolymers of styrene
- C08J2425/14—Homopolymers or copolymers of styrene with unsaturated esters
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- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- 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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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- 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
Definitions
- the invention belongs to the field of polymer material modification, and particularly relates to a biodegradable polyester composition having excellent printing performance and bubble stability.
- Biodegradable polyester is a kind of polymer material which is made from biological resources. Compared with petroleum-based polymers based on petrochemical resources, biodegradable polyesters can be degraded in biological or biochemical processes or in biological environments. It is currently the most active and market-based degradation in biodegradable plastics research. One of the materials.
- Biodegradable polyester film is one of the important application fields of biodegradable polyester, including food bags, garbage bags, shopping bags and plastic film.
- the biodegradable polyester In the process of preparing a film by blow molding, the biodegradable polyester often has a phenomenon that the film is not sufficiently lubricated and adhered to the roller or is too lubricious to be wound up, resulting in poor bubble stability during film blowing, and the film thickness is extremely poor. The phenomenon has seriously affected the continuity of the blown film.
- Patent CN 101622311A by adding 0.05-5 wt% biodiesel to the biodegradable polyester mixture, by reducing the viscosity of the polyester mixture, to some extent, the film sticks to the roller, thereby ensuring continuous film blowing. Sex.
- the decrease in the viscosity of the polyester mixture indicates that the addition of biodiesel impairs the properties of the polyester to some extent, resulting in an increase in the melting index of the polyester mixture and a decrease in viscosity.
- biodegradable polyesters typically require over-inking during blow-molding of the film to print the desired label and logo on the film.
- biodegradable polyester film often shows poor printing during printing (ink is not completely adhered to the film, or the adhesion strength is not enough) or excessive printing (excess ink adhesion, unclear), film The printing performance is poor.
- the present inventors have surprisingly found that in the biodegradable polyester composition, by adding a trace amount of tetrahydrofuran and cyclopentanone, the film can be prevented from coming off the film during the printing process, nor will it occur. There is a phenomenon in which the ink excessively adheres to the film, so that the film exhibits excellent printing performance, and the biodegradable polyester composition can have a markedly improved blown film property, and the bubble is stabilized at a higher speed when the film is blown at a higher speed. Goodness, the film thickness is extremely poor, ensuring the continuity of blown film production.
- It is an object of the present invention to provide a biodegradable polyester composition which can provide a prepared biodegradable polyester composition with excellent printing properties and a film by adding a trace amount of tetrahydrofuran and cyclopentanone to the composition. Bubble stability.
- a biodegradable polyester composition comprising, by weight, components:
- the weight content of tetrahydrofuran is from 3 ppm to 200 ppm based on the total weight of the biodegradable polyester composition; and the weight content of cyclopentanone is from 0.5 ppm to 85 ppm based on the total weight of the biodegradable polyester composition.
- the weight content of tetrahydrofuran is from 8 ppm to 100 ppm, preferably from 15 ppm to 75 ppm, based on the total weight of the biodegradable polyester composition; the weight content of cyclopentanone is from 5 ppm to 50 ppm; preferably from 10 ppm to 35 ppm.
- the biodegradable polyester composition comprises, by weight, components:
- the biodegradable aliphatic-aromatic polyester is polybutylene terephthalate PBAT, polysuccinate terephthalate PBST or polysebacate terephthalate.
- cyclopentanone and tetrahydrofuran can act like a lubricant, and the present inventors have found through research that the content of tetrahydrofuran in the biodegradable polyester composition is controlled at 3 ppm to 200 ppm.
- the content of cyclopentanone is controlled at 0.5ppm-85ppm, which can make the dynamic friction factor of the film in a reasonable range, so that the film does not appear to be detached from the film during the printing process (ie, the printing is not strong), nor There is a phenomenon in which the ink excessively adheres to the film, so that the film exhibits excellent printing performance, and can improve the degree of lubrication of the film of the biodegradable polyester composition during the blow molding process at a film blowing speed of 176 Kg/h.
- the film thickness is extremely poor ⁇ 0.2 ⁇ m, the film thickness relative deviation is ⁇ 1%, and the stability of the bubble and the continuity of the blown film are ensured.
- the THF content of the tetrahydrofuran in the biodegradable polyester composition is too high, the dynamic friction factor of the film is extremely small, and printing is basically impossible; the THF content of tetrahydrofuran is too low, the dynamic friction factor is too large, and the film sticks excessively in the printing process. .
- the cyclopentanone content in the biodegradable polyester composition is too high, the film is too lubricated during the high-speed film blowing process, resulting in the film not being able to wind up well on the roll, which also causes the bubble to be unstable, so it is based on the bio-biota
- the total weight of the degraded polyester composition the weight content of tetrahydrofuran is preferably from 8 ppm to 100 ppm, more preferably from 15 ppm to 75 ppm; and the weight content of cyclopentanone is preferably from 5 ppm to 50 ppm, more preferably from 10 ppm to 35 ppm.
- the organic filler is selected from one of natural starch, plasticized starch, modified starch, natural fiber or wood flour or a mixture; the inorganic filler is selected from the group consisting of talc, montmorillonite, kaolin, chalk, calcium carbonate, graphite, gypsum, conductive carbon black, calcium chloride, iron oxide, dolomite, silica, wollastonite, titanium dioxide, One of a silicate, mica, fiberglass or mineral fiber or a mixture thereof.
- the tetrahydrofuran and cyclopentanone of the present invention can be obtained by directly adding tetrahydrofuran and cyclopentanone during the blending and extrusion process of the biodegradable polyester composition.
- the biodegradable polyester composition of the present invention may further comprise 0 to 4 parts of at least one of the following materials: a plasticizer, a mold release agent, a surfactant, a wax, an antistatic agent, according to different needs of the use. Dyes, UV absorbers, UV stabilizers or other plastic additives.
- the plasticizer is one or a mixture of two or more of citrate, glycerin, epoxidized soybean oil or the like;
- the release agent is one of silicone oil, paraffin wax, white mineral oil, petrolatum or a mixture of two or more;
- the surfactant is one or a mixture of two or more of polysorbate, palmitate or laurate;
- the wax is one or a mixture of two or more of erucamide, stearic acid amide, behenic acid amide, beeswax or beeswax;
- the antistatic agent is a permanent antistatic agent, and specifically one of PELESTAT-230, PELESTAT-6500, SUNNICO ASA-2500 or a mixture of two or more;
- the dye is one of carbon black, black species, titanium white powder, zinc sulfide, indigo blue, fluorescent orange or a mixture of two or more.
- the UV absorber is one or more of UV-944, UV-234, UV531, UV326;
- the UV stabilizer is one or more of UV-123, UV-3896, UV-328;
- the other plastic additive may be a nucleating agent, an antifogging agent, or the like;
- the biodegradable polyester composition of the invention can be used for preparing shopping bags, compost bags, mulch films, protective covering films, silo films, film strips, fabrics, non-woven fabrics, textiles, fishing nets, load-bearing bags, garbage bags, etc. .
- the invention has the following beneficial effects:
- the invention controls the content of tetrahydrofuran in the composition to be in the range of 3ppm-200ppm by adding tetrahydrofuran and cyclopentanone to the composition, and the content of cyclopentanone is controlled in the range of 0.5ppm-85ppm, which can not only greatly improve.
- the phenomenon that the biodegradable polyester composition is poorly printed during the printing process neither the phenomenon that the ink leaves the film, nor the phenomenon that the ink excessively adheres to the film, so that the film exhibits excellent printing performance.
- the degree of lubrication of the membrane of the biodegradable polyester composition during the blow molding process can be improved.
- the film blowing speed is 176 Kg/h
- the film thickness is extremely poor ⁇ 0.2 ⁇ m
- the film thickness relative deviation is ⁇ 1%, which ensures the bubble. Stability and continuity of blown film.
- PBAT selects PBAT
- component iv) selects ADR4370
- organic filler selects starch
- inorganic filler selects talc powder, calcium carbonate
- plasticizer selects citric acid ester
- surfactant selects palmitate
- wax selects hard ester Amide
- auxiliary agents, PBAT, ADR4370 and PLA, tetrahydrofuran and cyclopentanone are all commercially available.
- PBAT, PLA, ADR4370, organic filler, inorganic filler, plasticizer, surfactant, wax and other additives, and tetrahydrofuran, cyclopentanone are mixed and put into a single screw extruder.
- the mixture was extruded and granulated at 140 ° C to 240 ° C to obtain a composition.
- the performance test data is shown in Table 1.
- Biodegradable polyester film with different printing effects according to the clarity of the printed label and the adhesion of the ink on the surface of the film, the different printing effects are rated as follows:
- Level 1 The label is clear and there is no excessive ink adhesion film
- Level 2 The label is clear and a small amount of excess ink adheres to the film
- Level 3 The label is basically clear and there are more ink-adhesive films
- Level 4 The label is fuzzy and there are many ink-adhesive films
- Level 5 The label is not visible, no ink-adhesive film.
- the bubble stability during the blown film process of the biodegradable polyester composition is evaluated by the method of extremely poor film thickness and relative deviation of the film thickness:
- the film thickness was measured by a spiral micrometer: 10 measurement points were uniformly taken on a film of 1 m*1 m for measurement.
- the film thickness difference is the difference between the maximum thickness value and the minimum thickness value among the 10 measurement points.
- the relative deviation of the film thickness is calculated by the following formula:
- the preparation concentrations were 0.010g/L, 0.1g/L, 1.0g/L, 5.0g/L, 10.0g/L, 20.0g/L, 50.0g/L, 100.0g/L.
- the THF methanol solution was used to test the peak area of THF in the different concentrations of THF methanol solution by static headspace method. The peak area of THF was taken as the ordinate and the concentration of THF was plotted on the abscissa to prepare the standard curve of THF.
- THF content of the biodegradable polyester composition can be calculated from the peak area of THF and the THF standard curve.
- the standard curve is calibrated from tetrahydrofuran/methanol solution.
- the static headspace test conditions are as follows:
- Heating box 105 ° C
- cyclopentanone methanol solution Preparation of cyclopentanone methanol solution at concentrations of 0.0001 g/L, 0.001 g/L, 0.01 g/L, 0.1 g/L, 5.0 g/L, 10.0 g/L, 20.0 g/L, respectively, by static headspace method
- the peak areas of cyclopentanone in the above different concentrations of cyclopentanone methanol solution were tested, and the standard curve of cyclopentanone was prepared by taking the peak area of cyclopentanone as the ordinate and the concentration of cyclopentanone as the abscissa.
- the static headspace test conditions are as follows:
- Heating box 105 ° C
- the content of tetrahydrofuran in the biodegradable polyester composition is from 3 to 200 ppm
- the content of cyclopentanone is from 0.5 ppm to 85 ppm
- the printing performance level can be three or more, and excellent printing is possible.
- the film blowing speed of Comparative Example 3 was lower than 176 Kg/h, the film blowing speed of Comparative Example 4 was higher than 176 Kg/h, the film thickness was extremely poor > 0.2 ⁇ m, the relative deviation of the film thickness was >1%, and the bubble of the composition was also less. stable.
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Abstract
Description
Claims (9)
- 一种可生物降解聚酯组合物,其特征在于,按重量份计,包括组分:i)60至100份的可生物降解的脂族-芳族聚酯;ii)0至40份的聚乳酸;iii)0至35份的有机填料和/或无机填料;iv)0至1份的含有环氧基团且基于苯乙烯、丙烯酸酯和/或甲基丙烯酸酯的共聚物;其中,基于可生物降解聚酯组合物的总重量,四氢呋喃的重量含量为3ppm-200ppm;且,基于可生物降解聚酯组合物的总重量,环戊酮的重量含量为0.5ppm-85ppm。
- 根据权利要求1所述的一种可生物降解聚酯组合物,其特征在于,基于可生物降解聚酯组合物的总重量,四氢呋喃的重量含量为8ppm-100ppm,优选为15ppm-75ppm;环戊酮的重量含量为5ppm-50ppm;优选为10ppm-35ppm。
- 根据权利要求1或2所述的一种可生物降解聚酯组合物,其特征在于,按重量份计,包括组分:i)65至95份的可生物降解的脂族-芳族聚酯;ii)5至35份的聚乳酸;iii)5至25份的有机填料和/或无机填料;iv)0.02至0.5份的含有环氧基团且基于苯乙烯、丙烯酸酯和/或甲基丙烯酸酯的共聚物。
- 根据权利要求1-3任一项所述的一种可生物降解聚酯组合物,其特征在于,所述四氢呋喃的重量含量采用如下方法测试:所述四氢呋喃的重量含量采用如下方法测试:精确称量1.2000g的可生物降解聚酯组合物加入静态顶空测试瓶中,通过静态顶空方法测试可生物降解聚酯组合物中四氢呋喃的峰面积,根据可生物降解聚酯组合物中四氢呋喃的峰面积和四氢呋喃标准曲线即可计算得到可生物降解聚酯组合物中四氢呋喃的含量;标准曲线由四氢呋喃/甲醇溶液标定;所述环戊酮的重量含量采用如下方法测试:精确称量1.2000g的可生物降解聚酯组合物加入静态顶空测试瓶中,通过静态顶空方法测试可生物降解聚酯组合物中环戊酮的峰面积,根据可生物降解聚酯组合物中环戊酮的峰面积和环戊酮标准曲线即可计算得到可生物降解聚酯组合物中环戊酮的含量;标准曲线由环戊酮/甲醇溶液标定。
- 根据权利要求1-3任一项所述的一种可生物降解聚酯组合物,其特征在于,所述可生物降解的脂族-芳族聚酯为聚己二酸对苯二甲酸丁二醇酯PBAT、聚琥珀酸对苯二甲酸丁二醇酯PBST或聚癸二酸对苯二甲酸丁二醇酯PBSeT中的一种或几种。
- 根据权利要求1-3任一项所述的一种可生物降解聚酯组合物,其特征在于,所述有机填料 选自天然淀粉、塑化淀粉、改性淀粉、天然纤维或木粉中的一种或其混合物;所述无机填料选自滑石粉、蒙脱土、高岭土、白垩、碳酸钙、石墨、石膏、导电炭黑、氯化钙、氧化铁、白云石、二氧化硅、硅灰石、二氧化钛、硅酸盐、云母、玻璃纤维或矿物纤维中的一种或其混合物。
- 根据权利要求1-3任一项所述的一种可生物降解聚酯组合物,其特征在于,还包括0至4份的至少一种下述物质:增塑剂、脱模剂、表面活性剂、蜡、防静电剂、染料、UV吸收剂、UV稳定剂或其他塑料添加剂。
- 根据权利要求1-7任一项所述的一种可生物降解聚酯组合物,其特征在于,所述可生物降解聚酯组合物的印刷性能等级可达到3级或以上。
- 根据权利要求1-7任一项所述的一种可生物降解聚酯组合物,其特征在于,所述可生物降解聚酯组合物在吹膜挤出速度为176Kg/h时,膜厚极差<0.2μm,膜厚相对偏差<1%。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/578,697 US10400100B2 (en) | 2016-03-07 | 2017-02-24 | Biodegradable polyester composition |
KR1020187010587A KR102037616B1 (ko) | 2016-03-07 | 2017-02-24 | 생분해성 폴리에스테르 조성물 |
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CN105585827A (zh) | 2016-03-07 | 2016-05-18 | 金发科技股份有限公司 | 一种可生物降解聚酯组合物 |
CN105585825A (zh) | 2016-03-07 | 2016-05-18 | 杨红梅 | 一种可生物降解聚酯组合物 |
CN105585826A (zh) | 2016-03-07 | 2016-05-18 | 金发科技股份有限公司 | 一种可生物降解聚酯组合物 |
CN105585824A (zh) | 2016-03-07 | 2016-05-18 | 金发科技股份有限公司 | 一种可生物降解聚酯组合物 |
CN105713356B (zh) | 2016-03-07 | 2017-05-31 | 杨红梅 | 一种可生物降解聚酯组合物 |
CN106084681B (zh) | 2016-07-22 | 2018-05-18 | 金发科技股份有限公司 | 一种可生物降解聚酯组合物 |
CN106084682B (zh) | 2016-07-22 | 2018-05-18 | 金发科技股份有限公司 | 一种可生物降解聚酯组合物 |
CN108070225B (zh) * | 2016-11-17 | 2022-02-08 | 普立万聚合体(上海)有限公司 | 具有模拟金属或珠光外观的聚酯制品 |
CN107459783B (zh) | 2016-12-12 | 2018-07-27 | 金发科技股份有限公司 | 一种聚对苯二甲酸酯-共-癸二酸酯树脂组合物 |
WO2023102683A1 (zh) * | 2021-12-06 | 2023-06-15 | 万华化学集团股份有限公司 | 一种pbat树脂组合物及其制备方法和应用 |
EP4293079A1 (en) | 2022-10-27 | 2023-12-20 | Basf Se | Biodegradable polymer composition |
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US20180179375A1 (en) | 2018-06-28 |
KR102037616B1 (ko) | 2019-10-28 |
US10400100B2 (en) | 2019-09-03 |
EP3260497A4 (en) | 2019-01-02 |
DE202017007327U1 (de) | 2020-10-28 |
DE202017007331U1 (de) | 2020-10-28 |
EP3260497B1 (en) | 2019-09-25 |
EP3260497A1 (en) | 2017-12-27 |
DE202017007337U1 (de) | 2020-10-28 |
CN105585826A (zh) | 2016-05-18 |
DE202017007330U1 (de) | 2020-10-28 |
ES2765882T3 (es) | 2020-06-11 |
JP2018515683A (ja) | 2018-06-14 |
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