WO2018223515A1 - Sheet for refrigerator liners and preparation method therefor - Google Patents

Sheet for refrigerator liners and preparation method therefor Download PDF

Info

Publication number
WO2018223515A1
WO2018223515A1 PCT/CN2017/096047 CN2017096047W WO2018223515A1 WO 2018223515 A1 WO2018223515 A1 WO 2018223515A1 CN 2017096047 W CN2017096047 W CN 2017096047W WO 2018223515 A1 WO2018223515 A1 WO 2018223515A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
parts
refrigerator
preparation
melt
Prior art date
Application number
PCT/CN2017/096047
Other languages
French (fr)
Chinese (zh)
Inventor
谢玉虎
沈剑
黄玲
马玉凯
Original Assignee
合肥华凌股份有限公司
合肥美的电冰箱有限公司
美的集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 合肥华凌股份有限公司, 合肥美的电冰箱有限公司, 美的集团股份有限公司 filed Critical 合肥华凌股份有限公司
Publication of WO2018223515A1 publication Critical patent/WO2018223515A1/en

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • 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
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
    • C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

Definitions

  • the invention adopts a polyester material as a main raw material, and is combined with a specific titanium white powder, a lubricant and an antioxidant, and the obtained sheet has a high gloss by the synergistic action of the components, and is excellent in corrosion resistance of the multi-component foaming agent and Anti-yellowing ability, in addition, has high excellent performance such as high food safety; in particular, based on the good bonding ability between the polar material and the polyurethane foam layer, the preparation process of the sheet material of the present invention can be dispensed with The corona step greatly reduces the difficulty of the production process.
  • the sheet prepared by the present scheme is tested by a gloss meter at a 60° angle to a surface gloss of 110 to 120;
  • the surface gloss can reach 100-110;
  • the refrigerator made of the box-formed box is coated with oil on the surface of the liner. After 10 cycles of high-temperature cycle (-40°C ⁇ 60°C), the surface of the liner does not produce corrosion and cracking. .
  • step (b) The mixture obtained in the step (a) is heated and melt-extruded by a single-screw extruder to obtain a melt, and the temperature of each zone of the extruder is the same as that of the step (b) of Example 5, and the degree of vacuum is -0.1 MPa.
  • the sheet prepared by the present scheme is tested by a gloss meter at a 60° angle to a surface gloss of 110 to 120;
  • the surface gloss can reach 100-110;
  • the refrigerator made of the box-formed box is coated with oil on the surface of the liner. After 10 cycles of high-temperature cycle (-40°C ⁇ 60°C), the surface of the liner does not produce corrosion and cracking. .
  • HIPS high impact polystyrene
  • EBS vinyl bis-stearic acid amide
  • antioxidant 168 three [2,4-di-tert-butyl] Phenyl phosphite
  • step (c) The melt obtained in the step (b) was cooled and set by a three-roller to obtain a profile, and the three rolls were at a temperature of 90 ° C for the upper roll, 50 ° C for the middle roll, and 50 ° C for the lower roll.
  • the sheet prepared by the present scheme is tested by a gloss meter at a 60° angle to a surface gloss of 30 to 40;
  • the surface gloss can reach 5-20;

Abstract

Disclosed are a sheet for refrigerator liners and a preparation method therefor. The sheet for refrigerator liners is made of components comprising in parts by weight: 100 parts of a polyester material, 0.1-5 parts of titanium dioxide, 0.05-2 parts of a lubricant, and 0.05-2 parts of an antioxidant. The provided sheet has a higher gloss, an excellent resistance to multi-foaming agent corrosion, and a higher food safety. Furthermore, since the sheet is a polyester-based material, same is a polar material, and as a refrigerator liner, the sheet has a good bonding capacity with a polyurethane foam layer, so that a corona process can be avoided, thereby reducing the difficulty of the production process.

Description

一种冰箱内胆用板材及其制备方法Refrigerator liner plate and preparation method thereof
交叉引用cross reference
本申请引用于2017年06月06日提交的专利名称为“一种冰箱内胆用板材及其制备方法”的第2017104194207号中国专利申请，其通过引用被全部并入本申请。The present application is hereby incorporated by reference in its entirety in its entirety in its entirety in its entirety in the the the the the the the the the
技术领域Technical field
本发明涉及一种冰箱内胆，特别涉及一种冰箱内胆用板材及其制备方法。The invention relates to a refrigerator inner liner, in particular to a refrigerator inner plate and a preparation method thereof.
背景技术Background technique
现有冰箱大多采用板材级HIPS或ABS，通过挤板、吸塑成型冰箱内胆。然而，ABS因其成本较高、无法满足食品安全等原因，逐渐被板材级HIPS所替代。板材级HIPS为了达到高韧性的特点，在聚合过程中加入大粒径的橡胶，因而其表面为哑光效果，外观难以满足要求。目前通常采用多层共挤出的方法在哑光层表面覆合一层具有高光效果的HIPS，但高光HIPS的表面耐化学腐蚀性较差，容易产生裂纹。当冰箱内胆与聚氨酯发泡保温层接触时，聚氨酯发泡保温层中的发泡剂会对HIPS材质内胆产生腐蚀作用，易形成裂纹。因而，现有工艺中通过多层共挤出的方式，在与聚氨酯发泡保温层接触的表面覆合一层PE/PS合金层，以提高冰箱内胆内表面耐腐蚀能力。Most of the existing refrigerators use sheet-grade HIPS or ABS, and the refrigerator liner is formed by extrusion and plastic molding. However, ABS has gradually been replaced by sheet-level HIPS because of its high cost and inability to meet food safety. In order to achieve high toughness, the sheet-level HIPS incorporates a large-diameter rubber during the polymerization process, so that the surface is matte and the appearance is difficult to meet the requirements. At present, a multi-layer coextrusion method is generally used to coat a surface of a matte layer with a high light effect, but the surface of the high gloss HIPS is poor in chemical corrosion resistance and is prone to cracking. When the inner liner of the refrigerator is in contact with the polyurethane foam insulation layer, the foaming agent in the polyurethane foam insulation layer may corrode the inner liner of the HIPS material and easily form cracks. Therefore, in the prior art, a layer of PE/PS alloy layer is coated on the surface in contact with the polyurethane foam insulation layer by means of multi-layer co-extrusion to improve the corrosion resistance of the inner surface of the refrigerator liner.
综上，现有冰箱内胆为了达到外表面高光泽、内表面抗发泡剂腐蚀的效果，需采用高光HIPS、哑光HIPS(高韧性HIPS)和PE/PS合金三层共挤出制作工艺。然而该工艺过程复杂，各层厚度难以控制，生产成本较高。同时，由于HIPS属于非极性材料，聚氨酯发泡保温层属于极性材料，目前需采用表面电晕工艺确保二者的粘结能力，又增加了生产工艺难度。In summary, in order to achieve the high-gloss outer surface and the anti-foaming agent corrosion effect on the inner surface of the refrigerator, high-light HIPS, matte HIPS (high toughness HIPS) and PE/PS alloy three-layer co-extrusion process are required. . However, the process is complicated, the thickness of each layer is difficult to control, and the production cost is high. At the same time, since HIPS is a non-polar material, the polyurethane foam insulation layer is a polar material. At present, a surface corona process is required to ensure the bonding ability of the two, and the production process is difficult.
发明内容Summary of the invention
鉴于现有冰箱内胆存在的上述技术问题，本发明提供一种新的冰箱内 胆用板材及其制备方法。In view of the above technical problems existing in the existing refrigerator liner, the present invention provides a new refrigerator Bile plate and preparation method thereof.
一种冰箱内胆用板材，由包括如下重量份的组分制得：100份聚酯材料、0.1～5份钛白粉、0.05～2份润滑剂、0.05～2份抗氧剂。A plate for a refrigerator liner is prepared from the following components: 100 parts of a polyester material, 0.1 to 5 parts of titanium dioxide, 0.05 to 2 parts of a lubricant, and 0.05 to 2 parts of an antioxidant.
所述聚酯材料为PET(聚对苯二甲酸乙二醇酯)、PBT(聚对苯二甲酸丁二醇酯)、PETG(聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯)、PCTG(聚对苯二甲酸-1,4-环己烷二甲醇酯)中的一种或几种。The polyester material is PET (polyethylene terephthalate), PBT (polybutylene terephthalate), PETG (polyethylene terephthalate-1,4-cyclohexane) One or more of alkyl dimethanol ester), PCTG (polybutylene terephthalate - 1,4-cyclohexane dimethanol ester).
所述钛白粉为金红石型钛白粉。The titanium white powder is rutile type titanium dioxide.
所述润滑剂选自硬脂酸或其盐类、聚乙烯蜡或乙烯基双硬脂酸酰胺(EBS)中的一种或多种。The lubricant is selected from one or more of stearic acid or a salt thereof, a polyethylene wax or a vinyl bis stearic acid amide (EBS).
所述的抗氧剂为受阻酚化合物或亚磷酸酯化合物种的一种或两种混合物；优选抗氧剂168。The antioxidant is one or a mixture of hindered phenol compounds or phosphite compounds; preferably antioxidant 168.
作为本发明优选的和实施方式，所述冰箱内胆用板材由包括如下重量份的组分制得：100份聚酯材料、1～2份钛白粉、0.1～0.2份润滑剂、0.1～0.2份抗氧剂。As a preferred embodiment of the present invention, the sheet for a refrigerator liner is made of a component comprising the following parts by weight: 100 parts of a polyester material, 1 to 2 parts of titanium dioxide, 0.1 to 0.2 part of a lubricant, 0.1 to 0.2. An antioxidant.
本发明还提供上述冰箱内胆用板材的制备方法，包括如下步骤：The invention also provides a preparation method of the above-mentioned plate for a refrigerator liner, comprising the following steps:
(a)原料混合；(a) mixing of raw materials;
(b)熔融挤出；(b) melt extrusion;
(c)冷却定型；(c) cooling and setting;
(d)分切。(d) Slitting.
所述步骤(a)中，所述原料一次性混合至均匀后待用。In the step (a), the raw materials are mixed once to be homogeneous and then used.
所述步骤(b)中，所述熔融挤出的工艺条件为：温度180～260℃，真空度0.05～-0.1MPa；本发明中优选采用单螺杆挤出机，其螺杆长径比为20～38:1；本发明中采用单层板材挤出方式。In the step (b), the melt extrusion process conditions are: temperature 180 to 260 ° C, vacuum degree 0.05 to -0.1 MPa; in the present invention, a single screw extruder is preferably used, and the screw length to diameter ratio is 20 ～38:1; in the present invention, a single layer sheet extrusion method is employed.
作为本发明优选的实施方式，所述熔融挤出各区温度如下：As a preferred embodiment of the present invention, the temperatures of the melt extrusion zones are as follows:
区域region 1区zone 1 2区Zone 2 3区Zone 3 4区District 4 5区District 5 6区District 6 7区District 7 8区District 8
温度temperature 180180 195195 210210 240240 245245 230230 230230 245245
所述步骤(c)中，所述冷却定型的冷却温度为30～70℃，本发明中优选采用斜三辊进行冷却定型。In the step (c), the cooling and setting cooling temperature is 30 to 70 ° C, and in the present invention, it is preferable to carry out cooling and setting using the oblique three-roller.
作为本发明优选的实施方式，所述斜三辊的三辊温度分别为上辊70℃、中辊30℃、下辊30℃。 As a preferred embodiment of the present invention, the three-roller temperature of the inclined three rolls is 70 ° C for the upper roll, 30 ° C for the middle roll, and 30 ° C for the lower roll.
所述步骤(d)中，所述分切为锯切或刀切，按照一定尺寸分切，即可得到用于冰箱内胆吸塑成型的板材。In the step (d), the slitting is sawing or cutting, and cutting according to a certain size, the sheet for the plastic molding of the refrigerator can be obtained.
作为本发明优选的实施方式，所述冰箱内胆用板材的制备方法包括如下步骤：As a preferred embodiment of the present invention, the method for preparing a plate for a refrigerator liner includes the following steps:
(a)将所述原料一次性混合至均匀后待用；(a) mixing the raw materials to a uniform after use;
(b)将步骤(a)所得混合物料熔融挤出，得到熔体；所述熔融挤出的工艺条件为：温度180～260℃，真空度0.05～-0.1MPa；(b) melt-extruding the mixture obtained in step (a) to obtain a melt; the melt extrusion process conditions are: temperature 180 ~ 260 ° C, vacuum degree 0.05 ~ -0.1MPa;
(c)将上述熔体于30～70℃冷却定型，得到型材；(c) cooling and setting the melt at 30 to 70 ° C to obtain a profile;
(d)将上述所得型材按照一定尺寸分切，即得到用于冰箱内胆吸塑成型的板材。(d) The above-obtained profiles are cut into a certain size to obtain a sheet for the plastic forming of the refrigerator.
本发明所具有如下有益效果：The invention has the following beneficial effects:
本发明以聚酯材料为主要原料，配以特定的钛白粉、润滑剂和抗氧剂，通过各组分协同作用，所得板材具有较高的光泽度，优异的耐多元发泡剂腐蚀性能和抗黄变能力，此外还具有较高的食品安全性等多重优良性能；特别是，基于极性材料与聚氨酯发泡层之间具有良好的粘结能力，本发明所述板材的制备工艺可以免除电晕步骤，大大降低生产工艺难度。The invention adopts a polyester material as a main raw material, and is combined with a specific titanium white powder, a lubricant and an antioxidant, and the obtained sheet has a high gloss by the synergistic action of the components, and is excellent in corrosion resistance of the multi-component foaming agent and Anti-yellowing ability, in addition, has high excellent performance such as high food safety; in particular, based on the good bonding ability between the polar material and the polyurethane foam layer, the preparation process of the sheet material of the present invention can be dispensed with The corona step greatly reduces the difficulty of the production process.
具体实施方式detailed description
以下实施例用于说明本发明，但不用来限制本发明的范围。The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
实施例1一种冰箱内胆用板材Embodiment 1 A plate for a refrigerator liner
一种冰箱内胆用板材，配方如下：A plate for a refrigerator liner is formulated as follows:
100份聚对苯二甲酸乙二醇酯(PET)、1份钛白粉、0.1份乙烯基双硬脂酸酰胺(EBS)、0.1份抗氧剂168(三[2,4-二叔丁基苯基]亚磷酸酯)。100 parts of polyethylene terephthalate (PET), 1 part of titanium dioxide, 0.1 part of vinyl bis stearic acid amide (EBS), 0.1 part of antioxidant 168 (three [2,4-di-tert-butyl] Phenyl]phosphite).
实施例2一种冰箱内胆用板材Embodiment 2 A plate for a refrigerator liner
一种冰箱内胆用板材，配方如下：A plate for a refrigerator liner is formulated as follows:
100份聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯(PETG)、2份钛白粉、0.1份乙烯基双硬脂酸酰胺(EBS)、0.1份抗氧剂168(三[2,4-二叔丁基苯基]亚磷酸酯)。100 parts of polyethylene terephthalate-1,4-cyclohexanedimethanol ester (PETG), 2 parts of titanium dioxide, 0.1 part of vinyl bisstearamide (EBS), 0.1 part of antioxidant 168 (Tris[2,4-di-tert-butylphenyl]phosphite).
实施例3一种冰箱内胆用板材Embodiment 3 A plate for a refrigerator liner
一种冰箱内胆用板材，配方如下：A plate for a refrigerator liner is formulated as follows:
80份聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯(PETG)、20份聚 对苯二甲酸-1,4-环己烷二甲醇酯(PCTG)、2份钛白粉、0.1份乙烯基双硬脂酸酰胺(EBS)、0.1份抗氧剂168(三[2,4-二叔丁基苯基]亚磷酸酯)。80 parts of polyethylene terephthalate-1,4-cyclohexanedimethanol ester (PETG), 20 parts of poly Terephthalic acid-1,4-cyclohexanedimethanol ester (PCTG), 2 parts titanium white powder, 0.1 part vinyl bis stearic acid amide (EBS), 0.1 part antioxidant 168 (three [2,4- Di-tert-butylphenyl]phosphite).
对比例1一种冰箱内胆用板材Comparative Example 1 A plate for a refrigerator liner
一种冰箱内胆用板材，配方如下：(与实施例2区别在于主材不同，其它辅材用量均相同)The utility model relates to a plate for a refrigerator liner, which has the following formula: (the difference from the embodiment 2 is that the main material is different, and the amount of other auxiliary materials is the same)
100份高抗冲聚苯乙烯(HIPS)、2份钛白粉、0.1份乙烯基双硬脂酸酰胺(EBS)、0.1份抗氧剂168(三[2,4-二叔丁基苯基]亚磷酸酯)。100 parts high impact polystyrene (HIPS), 2 parts titanium dioxide, 0.1 part vinyl bis stearic acid amide (EBS), 0.1 part antioxidant 168 (three [2,4-di-tert-butylphenyl] Phosphite).
实施例4Example 4
本实施例提供实施例1所述冰箱内胆板材的制备方法，包括如下步骤：The embodiment provides a method for preparing a refrigerator liner sheet according to Embodiment 1, comprising the following steps:
(a)将100份聚对苯二甲酸乙二醇酯(PET)、1份钛白粉、0.1份乙烯基双硬脂酸酰胺(EBS)、0.1份抗氧剂168(三[2,4-二叔丁基苯基]亚磷酸酯)按比例一次性混合均匀后待用。(a) 100 parts of polyethylene terephthalate (PET), 1 part of titanium dioxide, 0.1 part of vinyl bis stearic acid amide (EBS), 0.1 part of antioxidant 168 (three [2,4- Di-tert-butylphenyl]phosphite) was mixed in a ratio of one time and then used.
(b)将步骤(a)所得混合物通过单螺杆挤板机加热熔融挤出得到熔体，挤出机的各区温度如下表所示，真空度-0.1MPa。(b) The mixture obtained in the step (a) is heated and melt-extruded by a single-screw extruder to obtain a melt, and the temperature of each zone of the extruder is as shown in the following table, and the degree of vacuum is -0.1 MPa.
区域region 1区zone 1 2区Zone 2 3区Zone 3 4区District 4 5区District 5 6区District 6 7区District 7 8区District 8
温度temperature 180180 195195 210210 240240 245245 230230 230230 245245
(c)将步骤(b)所得熔体通过斜三辊进行冷却定型，得到型材，三辊温度分别为上辊70℃、中辊30℃、下辊30℃。(c) The melt obtained in the step (b) was cooled and set by a three-roller to obtain a profile, and the temperature of the three rolls was 70 ° C for the upper roll, 30 ° C for the middle roll, and 30 ° C for the lower roll.
(d)将上述所得型材按照一定尺寸分切，即得到用于冰箱内胆吸塑成型的板材。(d) The above-obtained profiles are cut into a certain size to obtain a sheet for the plastic forming of the refrigerator.
检测结果：Test results:
(1)通过本方案所制备的板材利用光泽度仪在60°角度条件下测试其表面光泽度为110～120；(1) The sheet prepared by the present scheme is tested by a gloss meter at a 60° angle to a surface gloss of 110 to 120;
(2)板材经吸塑成型内胆后，表面光泽度可达100～110；(2) After the plate is molded into the inner liner, the surface gloss can reach 100-110;
(3)将该板材剪成100mm*20mm的长条置于多元发泡剂中浸泡24h，结果不产生溶解及溶胀现象；(3) The plate is cut into 100mm*20mm long strips and immersed in a multi-component foaming agent for 24h, so that no dissolution and swelling phenomenon occurs;
(4)利用该板材成型的箱胆所制作的冰箱，在其内胆表面涂油，经过10个周期高低温循环(-40℃～60℃)实验，内胆表面不产生腐蚀纹及开裂现象。(4) The refrigerator made of the box-formed box is coated with oil on the surface of the liner. After 10 cycles of high-temperature cycle (-40°C～60°C), the surface of the liner does not produce corrosion and cracking. .
实施例5 Example 5
本实施例提供实施例2所述冰箱内胆板材的制备方法，包括如下步骤：The embodiment provides a method for preparing a refrigerator liner sheet according to Embodiment 2, which comprises the following steps:
(a)将100份聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯(PETG)、2份钛白粉、0.1份乙烯基双硬脂酸酰胺(EBS)、0.1份抗氧剂168(三[2,4-二叔丁基苯基]亚磷酸酯)按比例一次性混合均匀后待用。(a) 100 parts of polyethylene terephthalate-1,4-cyclohexanedimethanol ester (PETG), 2 parts of titanium dioxide, 0.1 part of vinyl bisstearamide (EBS), 0.1 parts The antioxidant 168 (tris[2,4-di-tert-butylphenyl]phosphite) was uniformly mixed in a ratio and then used.
(b)将步骤(a)所得混合物通过单螺杆挤板机加热熔融挤出得到熔体，挤出机的各区温度同实施例5步骤(b)，真空度-0.1MPa。(b) The mixture obtained in the step (a) is heated and melt-extruded by a single-screw extruder to obtain a melt, and the temperature of each zone of the extruder is the same as that of the step (b) of Example 5, and the degree of vacuum is -0.1 MPa.
(c)将步骤(b)所得熔体通过斜三辊进行冷却定型，得到型材，三辊温度同实施例5步骤(c)。(c) The melt obtained in the step (b) was subjected to cooling setting by oblique three rolls to obtain a profile, and the temperature of the three rolls was the same as that of the step (c) of Example 5.
(d)将上述所得型材按照一定尺寸分切，即得到用于冰箱内胆吸塑成型的板材。(d) The above-obtained profiles are cut into a certain size to obtain a sheet for the plastic forming of the refrigerator.
检测结果：Test results:
(1)通过本方案所制备的板材利用光泽度仪在60°角度条件下测试其表面光泽度为110～120；(1) The sheet prepared by the present scheme is tested by a gloss meter at a 60° angle to a surface gloss of 110 to 120;
(2)板材经吸塑成型内胆后，表面光泽度可达100～110；(2) After the plate is molded into the inner liner, the surface gloss can reach 100-110;
(3)将该板材剪成100mm×20mm的长条置于多元发泡剂中浸泡24h，结果不产生溶解及溶胀现象；(3) The sheet is cut into 100mm×20mm long strips and immersed in a multi-component foaming agent for 24 hours, so that no dissolution and swelling phenomenon occurs;
(4)利用该板材成型的箱胆所制作的冰箱，在其内胆表面涂油，经过10个周期高低温循环(-40℃～60℃)实验，内胆表面不产生腐蚀纹及开裂现象。(4) The refrigerator made of the box-formed box is coated with oil on the surface of the liner. After 10 cycles of high-temperature cycle (-40°C～60°C), the surface of the liner does not produce corrosion and cracking. .
实施例6Example 6
本实施例提供实施例3所述冰箱内胆板材的制备方法，包括如下步骤：The embodiment provides a method for preparing a refrigerator liner sheet according to Embodiment 3, which comprises the following steps:
(a)将80份聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯(PETG)、20份聚对苯二甲酸-1,4-环己烷二甲醇酯(PCTG)、2份钛白粉、0.1份乙烯基双硬脂酸酰胺(EBS)、0.1份抗氧剂168(三[2,4-二叔丁基苯基]亚磷酸酯)按比例一次性混合均匀后待用。(a) 80 parts of polyethylene terephthalate-1,4-cyclohexanedimethanol ester (PETG), 20 parts of poly-terephthalic acid-1,4-cyclohexanedimethanol ester (PCTG) ), 2 parts of titanium dioxide, 0.1 part of vinyl bis stearic acid amide (EBS), 0.1 part of antioxidant 168 (tris[2,4-di-tert-butylphenyl] phosphite) are mixed evenly in proportion After use.
(b)将步骤(a)所得混合物通过单螺杆挤板机加热熔融挤出得到熔体，挤出机的各区温度同实施例5步骤(b)，真空度-0.1MPa。(b) The mixture obtained in the step (a) is heated and melt-extruded by a single-screw extruder to obtain a melt, and the temperature of each zone of the extruder is the same as that of the step (b) of Example 5, and the degree of vacuum is -0.1 MPa.
(c)将步骤(b)所得熔体通过斜三辊进行冷却定型，得到型材，三辊温度为同实施例5步骤(c)。(c) The melt obtained in the step (b) was cooled and set by a three-roller to obtain a profile, and the temperature of the three rolls was the same as the step (c) of Example 5.
(d)将上述所得型材按照一定尺寸分切，即得到用于冰箱内胆吸塑成型的板材。 (d) The above-obtained profiles are cut into a certain size to obtain a sheet for the plastic forming of the refrigerator.
检测结果：Test results:
(1)通过本方案所制备的板材利用光泽度仪在60°角度条件下测试其表面光泽度为110～120；(1) The sheet prepared by the present scheme is tested by a gloss meter at a 60° angle to a surface gloss of 110 to 120;
(2)板材经吸塑成型内胆后，表面光泽度可达100～110；(2) After the plate is molded into the inner liner, the surface gloss can reach 100-110;
(3)将该板材剪成100mm*20mm的长条置于多元发泡剂中浸泡24h，结果不产生溶解及溶胀现象；(3) The plate is cut into 100mm*20mm long strips and immersed in a multi-component foaming agent for 24h, so that no dissolution and swelling phenomenon occurs;
(4)利用该板材成型的箱胆所制作的冰箱，在其内胆表面涂油，经过10个周期高低温循环(-40℃～60℃)实验，内胆表面不产生腐蚀纹及开裂现象。(4) The refrigerator made of the box-formed box is coated with oil on the surface of the liner. After 10 cycles of high-temperature cycle (-40°C～60°C), the surface of the liner does not produce corrosion and cracking. .
对比例2Comparative example 2
本实施例提供对比例1所述冰箱内胆板材的制备方法，包括如下步骤：The present invention provides a method for preparing a refrigerator liner sheet according to the first aspect, comprising the following steps:
(a)将100份高抗冲聚苯乙烯(HIPS)、2份钛白粉、0.1份乙烯基双硬脂酸酰胺(EBS)、0.1份抗氧剂168(三[2,4-二叔丁基苯基]亚磷酸酯)按比例一次性混合均匀后待用。(a) 100 parts of high impact polystyrene (HIPS), 2 parts of titanium dioxide, 0.1 part of vinyl bis-stearic acid amide (EBS), 0.1 part of antioxidant 168 (three [2,4-di-tert-butyl] Phenyl phosphite] is mixed in a ratio of one time and then used.
(b)将步骤(a)所得混合物通过单螺杆挤板机加热熔融挤出得到熔体，挤出机的各区温度为如下表所示，真空度-0.1MPa。(b) The mixture obtained in the step (a) is melt-extruded by a single screw extruder to obtain a melt, and the temperature of each zone of the extruder is as shown in the following table, and the degree of vacuum is -0.1 MPa.
区域region 1区zone 1 2区Zone 2 3区Zone 3 4区District 4 5区District 5 6区District 6 7区District 7 8区District 8
温度temperature 160160 175175 190190 210210 210210 205205 200200 205205
(c)将步骤(b)所得熔体通过斜三辊进行冷却定型，得到型材，三辊温度为上辊90℃、中辊50℃、下辊50℃。(c) The melt obtained in the step (b) was cooled and set by a three-roller to obtain a profile, and the three rolls were at a temperature of 90 ° C for the upper roll, 50 ° C for the middle roll, and 50 ° C for the lower roll.
(d)将上述所得型材按照一定尺寸分切，即得到用于冰箱内胆吸塑成型的板材。(d) The above-obtained profiles are cut into a certain size to obtain a sheet for the plastic forming of the refrigerator.
检测结果：Test results:
(1)通过本方案所制备的板材利用光泽度仪在60°角度条件下测试其表面光泽度为30～40；(1) The sheet prepared by the present scheme is tested by a gloss meter at a 60° angle to a surface gloss of 30 to 40;
(2)板材经吸塑成型内胆后，表面光泽度可达5～20；(2) After the sheet is molded into the liner, the surface gloss can reach 5-20;
(3)将该板材剪成100mm*20mm的长条置于多元发泡剂中浸泡24h，结果样条发生溶解现象；(3) The sheet is cut into 100mm*20mm long strips and immersed in a multi-component foaming agent for 24h, and the spline is dissolved.
(4)利用该板材成型的箱胆所制作的冰箱，在其内胆表面涂油，经过10个周期高低温循环(-40℃～60℃)实验，内胆表面产生腐蚀纹及开裂 现象。(4) The refrigerator made of the box-formed box is coated with oil on the surface of the liner. After 10 cycles of high-temperature cycle (-40°C～60°C), the surface of the liner is corroded and cracked. phenomenon.
虽然，上文中已经用一般性说明及具体实施方案对本发明作了详尽的描述，但在本发明基础上，可以对之作一些修改或改进，这对本领域技术人员而言是显而易见的。因此，在不偏离本发明精神的基础上所做的这些修改或改进，均属于本发明要求保护的范围。 Although the present invention has been described in detail with reference to the preferred embodiments of the present invention, it will be apparent to those skilled in the art Therefore, such modifications or improvements made without departing from the spirit of the invention are intended to be within the scope of the invention.

Claims (11)

  1. 一种冰箱内胆用板材，其特征在于，包括如下重量份的组分：100份聚酯材料、0.1～5份钛白粉、0.05～2份润滑剂、0.05～2份抗氧剂。A plate for a refrigerator liner, comprising the following components by weight: 100 parts of a polyester material, 0.1 to 5 parts of titanium dioxide, 0.05 to 2 parts of a lubricant, and 0.05 to 2 parts of an antioxidant.
  2. 根据权利要求1所述的冰箱内胆用板材，其特征在于，所述聚酯材料为聚对苯二甲酸乙二醇酯、聚对苯二甲酸丁二醇酯、聚对苯二甲酸乙二醇酯-1,4-环己烷二甲醇酯、聚对苯二甲酸-1,4-环己烷二甲醇酯中的一种或几种。The sheet for a refrigerator liner according to claim 1, wherein the polyester material is polyethylene terephthalate, polybutylene terephthalate or polyethylene terephthalate. One or more of an alcohol ester-1,4-cyclohexanedimethanol ester and a polybutylene terephthalate-1,4-cyclohexanedimethanol ester.
  3. 根据权利要求1所述的冰箱内胆用板材，其特征在于，所述钛白粉为金红石型钛白粉。The sheet for a refrigerator liner according to claim 1, wherein the titanium dioxide is rutile-type titanium dioxide.
  4. 根据权利要求1所述的冰箱内胆用板材，其特征在于，所述润滑剂选自硬脂酸或其盐类、聚乙烯蜡或乙烯基双硬脂酸酰胺(EBS)中的一种或多种。The sheet for a refrigerator liner according to claim 1, wherein the lubricant is selected from the group consisting of stearic acid or a salt thereof, polyethylene wax or vinyl bis stearic acid amide (EBS) or A variety.
  5. 根据权利要求1所述的冰箱内胆用板材，其特征在于，所述的抗氧剂为受阻酚化合物或亚磷酸酯化合物种的一种或两种混合物；优选抗氧剂168。The sheet for a refrigerator liner according to claim 1, wherein the antioxidant is one or a mixture of a hindered phenol compound or a phosphite compound; preferably, an antioxidant 168.
  6. 一种权利要求1-5任一所述冰箱内胆用板材的制备方法，其特征在于，包括(a)原料混合；(b)熔融挤出；(c)冷却定型；(d)分切四步骤。A method for preparing a plate for a refrigerator liner according to any one of claims 1 to 5, which comprises (a) mixing of raw materials; (b) melt extrusion; (c) cooling setting; (d) slitting four step.
  7. 根据权利要求6所述的制备方法，其特征在于，在所述步骤(a)中，所述原料一次性全部混合至均匀后待用。The preparation method according to claim 6, wherein in the step (a), the raw materials are all mixed at once to be homogeneous and then used.
  8. 根据权利要求6所述的制备方法，其特征在于，在所述步骤(b)中，所述熔融挤出的工艺条件为：温度180～260℃，真空度0.05～-0.1MPa；优选采用单螺杆挤出机，其螺杆长径比为20～38:1。The preparation method according to claim 6, wherein in the step (b), the melt extrusion process conditions are: a temperature of 180 to 260 ° C, a degree of vacuum of 0.05 to -0.1 MPa; preferably a single The screw extruder has a screw length to diameter ratio of 20 to 38:1.
  9. 根据权利要求6所述的制备方法，其特征在于，所述步骤(c)中，所述冷却定型的冷却温度为30～70℃，优选采用斜三辊进行冷却定型。The preparation method according to claim 6, wherein in the step (c), the cooling and setting cooling temperature is 30 to 70 ° C, and preferably, the inclined three rolls are used for cooling and setting.
  10. 根据权利要求6所述的制备方法，其特征在于，所述步骤(d)中，所述分切为锯切或刀切。The preparation method according to claim 6, wherein in the step (d), the slitting is sawing or knife cutting.
  11. 根据权利要求6所述的制备方法，其特征在于，包括如下步骤：The preparation method according to claim 6, comprising the steps of:
    (a)将所述原料一次性混合至均匀后待用；(a) mixing the raw materials to a uniform after use;
    (b)将步骤(a)所得混合物料熔融挤出，得到熔体；所述熔融挤出 的工艺条件为：温度180～260℃，真空度0.05～-0.1MPa；(b) melt-extruding the mixture obtained in the step (a) to obtain a melt; the melt extrusion The process conditions are: temperature 180 ~ 260 ° C, vacuum degree 0.05 ~ -0.1MPa;
    (c)将上述熔体于30～70℃冷却定型，得到型材；(c) cooling and setting the melt at 30 to 70 ° C to obtain a profile;
    (d)将上述所得型材按照一定尺寸分切，即得到用于冰箱内胆吸塑成型的板材。 (d) The above-obtained profiles are cut into a certain size to obtain a sheet for the plastic forming of the refrigerator.
PCT/CN2017/096047 2017-06-06 2017-08-04 Sheet for refrigerator liners and preparation method therefor WO2018223515A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710419420.7 2017-06-06
CN201710419420.7A CN107118524A (en) 2017-06-06 2017-06-06 A kind of inner container of icebox sheet material and preparation method thereof

Publications (1)

Publication Number Publication Date
WO2018223515A1 true WO2018223515A1 (en) 2018-12-13

Family

ID=59730369

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/096047 WO2018223515A1 (en) 2017-06-06 2017-08-04 Sheet for refrigerator liners and preparation method therefor

Country Status (2)

Country Link
CN (1) CN107118524A (en)
WO (1) WO2018223515A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107698947A (en) * 2017-10-27 2018-02-16 合肥华凌股份有限公司 Modification polyester materials and its preparation method and application
CN109971137A (en) * 2019-03-21 2019-07-05 深圳市昱荣环保材料有限公司 A kind of plastic uptake antifog film and preparation method thereof
CN112812506A (en) * 2020-12-31 2021-05-18 深圳市捷安纳米复合材料有限公司 Refrigerator liner with virus killing function and manufacturing process thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001279068A (en) * 2000-03-30 2001-10-10 C I Kasei Co Ltd Polyester resin composition and method for manufacturing sheet
CN101975191A (en) * 2010-10-12 2011-02-16 浙江大学 Temperature self-controlled fan blade
CN102464870A (en) * 2010-11-15 2012-05-23 上海锦湖日丽塑料有限公司 Microcrystal PBT (Polybutylece Terephthalate) resin and preparation method thereof
CN103183933A (en) * 2011-12-28 2013-07-03 合肥杰事杰新材料股份有限公司 Polybutylene terephthalate composition and its preparation method
CN103254614A (en) * 2012-02-16 2013-08-21 合肥杰事杰新材料股份有限公司 Bismaleimide modified thermoplastics and preparation method thereof
CN103254576A (en) * 2012-02-21 2013-08-21 上海杰事杰新材料(集团)股份有限公司 Modifying master batch used in fiber-reinforced PET engineering plastic, and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1856544A (en) * 2003-09-24 2006-11-01 E.I.内穆尔杜邦公司 Electrically conductive thermoplastic compositions
CN103407228A (en) * 2013-08-30 2013-11-27 合肥美的电冰箱有限公司 Composite alloy plate and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001279068A (en) * 2000-03-30 2001-10-10 C I Kasei Co Ltd Polyester resin composition and method for manufacturing sheet
CN101975191A (en) * 2010-10-12 2011-02-16 浙江大学 Temperature self-controlled fan blade
CN102464870A (en) * 2010-11-15 2012-05-23 上海锦湖日丽塑料有限公司 Microcrystal PBT (Polybutylece Terephthalate) resin and preparation method thereof
CN103183933A (en) * 2011-12-28 2013-07-03 合肥杰事杰新材料股份有限公司 Polybutylene terephthalate composition and its preparation method
CN103254614A (en) * 2012-02-16 2013-08-21 合肥杰事杰新材料股份有限公司 Bismaleimide modified thermoplastics and preparation method thereof
CN103254576A (en) * 2012-02-21 2013-08-21 上海杰事杰新材料(集团)股份有限公司 Modifying master batch used in fiber-reinforced PET engineering plastic, and preparation method thereof

Also Published As

Publication number Publication date
CN107118524A (en) 2017-09-01

Similar Documents

Publication Publication Date Title
WO2018223515A1 (en) Sheet for refrigerator liners and preparation method therefor
WO2021121144A1 (en) High-performance ecological spc floor board and preparation process therefor
CN105566721B (en) A kind of high temperature resistant XPE foams and preparation method thereof
CN103496239B (en) Special WVTR (water vapour transmission rate) breathable film and production process thereof
CN104893156B (en) Thickness is 6 17mm foam polyvinyl chloride billboard and preparation method thereof
CN104385735A (en) Colored polyvinyl chloride foamed sheet and preparation method thereof
CN103540050A (en) PVC (Polyvinyl Chloride) sythetic-wood ecologic indoor gate plate and production method thereof
CN107244868A (en) A kind of stone plastic wall board
JP2013227549A (en) Polystyrene resin foamed sheet and laminated foamed sheet
JP6701501B2 (en) Foam blow molding method
CN111442140A (en) Nano-antibacterial PE water supply pipeline and manufacturing process thereof
CN112341714B (en) Polypropylene sheet material and preparation method thereof
CN107778681A (en) A kind of high insulating extruded board of low heat conduction and preparation method thereof
CN102731931A (en) Fire-preventing intumescent sealing material and preparation method thereof
CN107053794A (en) ABS two-layer compounds sheet material and preparation method, inner bag and preparation method, refrigeration plant
CN109181165A (en) Inexpensive polyvinyl chloride soundproof plate
CN106832812B (en) Application of polyester material in preparation of refrigerator liner plate, refrigerator liner and preparation method of plate
CN102797914B (en) One-step heat preservation polypropylene random copolymer (PP-R) pipe and preparation method thereof
WO2021121145A1 (en) Low-density uv-specialized board and preparation method therefor
CN108822314A (en) A kind of polypropylene cooling masterbatch and its production method and the production die orifice for implementing this method
CA3139602A1 (en) Polypropylene board and method for preparing same
WO2021121143A1 (en) Odorless embossed furniture board having thickness of 16 mm - 18 mm
CN104194237B (en) A kind of polyisoprene composite winding membrane material and preparation method thereof
CN113930024A (en) Preparation method of cryogenic black rubber and plastic heat-insulation product
CN104763862B (en) A kind of vacuum insulation panel and preparation method thereof

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17912414

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17912414

Country of ref document: EP

Kind code of ref document: A1