WO2014194548A1 - 一种pvc彩色共挤料及其应用 - Google Patents
一种pvc彩色共挤料及其应用 Download PDFInfo
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- WO2014194548A1 WO2014194548A1 PCT/CN2013/079243 CN2013079243W WO2014194548A1 WO 2014194548 A1 WO2014194548 A1 WO 2014194548A1 CN 2013079243 W CN2013079243 W CN 2013079243W WO 2014194548 A1 WO2014194548 A1 WO 2014194548A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
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- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- 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
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- 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
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- 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
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- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
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- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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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
- C08L27/00—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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
Definitions
- the invention belongs to the technical field of polymer materials, and particularly relates to a PVC color co-extruded material and an application thereof.
- Another object of the present invention is to provide a process for the preparation of the above-described PVC color coextrudate.
- Another object of the present invention is to provide a composite PVC plastic profile prepared from the above-described PVC color coextrudate.
- a PVC color co-extruded material containing the following raw materials: 70-100 parts of PVC resin, 1.5-7.5 parts of heat stabilizer, 0-8.0 parts of processing aid, 0-8.0 parts of toughening agent, 0 ⁇ 8.0 filler 15 parts, 0.3 to 2.0 parts of a lubricant, 0.1 to 1.5 parts of a weathering agent, and 0.1 to 5.0 parts of a pigment.
- the PVC color co-extruded material comprises the following raw materials of the following parts by mass: 70-100 parts of PVC resin, 1.5-6 parts of heat stabilizer, 2.0-8.0 parts of processing aid, 2.0-8.0 parts of toughening agent,
- the filler is 8.0 to 15 parts
- the lubricant is 0.6 to 1.5 parts
- the weathering agent is 0.5 to 1.2 parts
- the pigment is 0.8 to 1.65 parts.
- the PVC resin is one or a mixture of SG-1, SG-2, SG-3, SG-5, SG-7, SG-8.
- the heat stabilizer is a calcium zinc stabilizer, a rare earth lead salt composite stabilizer, a dibasic lead phosphite, a tribasic lead phosphate, an organotin heat stabilizer, or a mixture of two.
- the filler is at least one of heavy calcium carbonate, light calcium carbonate, magnesium carbonate, clay, talc, barium sulfate, aluminum hydroxide, magnesium hydroxide, and kaolin.
- the processing aid is a mixture of one or both of an acrylic acid ester copolymer (ACR), a methacrylic acid-butadiene-styrene copolymer (MBS).
- ACR acrylic acid ester copolymer
- MVS methacrylic acid-butadiene-styrene copolymer
- the lubricant is paraffin wax, polyethylene wax (PE wax), polypropylene wax (PP wax), At least one of vinyl bis stearamide (EBS), stearic acid, calcium stearate, and zinc stearate.
- PE wax polyethylene wax
- PP wax polypropylene wax
- EBS vinyl bis stearamide
- the toughening agent is ethylene propylene diene monomer (POE), chlorinated polyethylene (CPE), acrylonitrile-butadiene-styrene copolymer (ABS), nitrile rubber (NBR), phthalic acid At least one of octyl esters (DOP); the weathering agent is one or a mixture of two or two of an antioxidant, an ultraviolet absorber.
- POE ethylene propylene diene monomer
- CPE chlorinated polyethylene
- ABS acrylonitrile-butadiene-styrene copolymer
- NBR nitrile rubber
- phthalic acid At least one of octyl esters (DOP);
- the weathering agent is one or a mixture of two or two of an antioxidant, an ultraviolet absorber.
- the preparation method of the above-mentioned PVC color co-extruded material comprises the following steps:
- the uniformly mixed raw materials are fed into a twin-screw extruder to melt granulate to obtain granules, and the process conditions are as follows: temperature is 160 to 185 ° C, feeding speed is 35 rpm, and screw rotation speed is 40 rpm.
- a composite PVC color co-extrusion profile is obtained by coextruding a coextruded layer on the surface of a PVC plastic profile material by using the above-mentioned PVC color co-extruded material.
- the PVC color co-extruded material according to the invention can form a surface layer with bright color, good weather resistance and excellent mechanical properties on the surface of hard PVC plastic profiles and PVC doors and windows of different formula systems. Squeeze the layer.
- Figure 1 is a flow chart of the production of PVC color co-extruded material
- Figure 2 is a flow chart showing the production of PVC color co-extruded profiles
- Example 3 is a view showing the effect of the color coextrusion profile prepared in Example 1;
- Example 4 is a view showing the effect of the color coextrusion profile prepared in Example 2.
- Figure 5 is a view showing the effect of the color coextrusion profile prepared in Example 3.
- Figure 6 is a view showing the effect of the color coextrusion profile prepared in Example 4.
- Fig. 7 is a view showing the effect of a conventional PVC profile without surface coextrusion.
- Example 1 was formulated in parts by weight as indicated in each component of Table 1.
- Example 1 Composition of PVC color co-extruded material Component Number of copies PVC SG-7 100 servings Calcium zinc stabilizer 5.5 servings ACR-401 2.0 servings CPE135B 8.0 copies Light calcium carbonate 8.0 copies Stearic acid SA1801 0.5 parts Polyethylene wax 0.6 parts Antioxidant 1010 0.3 parts UV531 0.6 parts Carbon black N330 0.25 parts Indigo blue 0.85 servings Permanent yellow 0.35 servings
- the cold mixed material is placed in the lower mouth of the extruder, and the material is pelletized by melt extrusion to obtain granules.
- the processing conditions are as follows: temperature is 160 ⁇ 185 ° C, feeding speed is 30 rpm, screw speed is 45 rpm.
- the prepared PVC color co-extruded material is added into the co-extrusion feed port of the PVC profile extruder, and is combined with the surface of the PVC profile by melt extrusion to form a PVC profile having a color coextrusion surface.
- a grass green coextrusion layer with high gloss and excellent weather resistance can be formed on the surface of PVC plastic profile and PVC plastic door and window (Fig. 3).
- Example 2 was prepared in parts by weight as indicated in each component of Table 2.
- the cold mixed material is placed in the lower opening of the extruder, and the material is pelletized by melt extrusion to obtain granules.
- the processing conditions are as follows: temperature is 160 ⁇ 185 ° C, feeding speed is 30 rpm, screw speed is 45 rpm.
- the above-mentioned prepared PVC color co-extruded material is added into the co-extrusion feeding port of the PVC profile extruder, and is combined with the surface of the PVC profile by melt extrusion into a PVC profile having a color co-extruded surface.
- Example 3 was formulated in parts by weight as indicated in the respective components in Table 3.
- the cold mixed material is placed in the lower opening of the extruder, and the material is pelletized by melt extrusion to obtain granules.
- the processing conditions are as follows: temperature is 160 ⁇ 185 ° C, feeding speed is 30 rpm, screw speed is 45 rpm.
- the above-mentioned prepared PVC color co-extruded material is added into the co-extrusion feeding port of the PVC profile extruder, and is combined with the surface of the PVC profile by melt extrusion into a PVC profile having a color co-extruded surface.
- Example 4 was formulated in parts by weight as indicated in the respective components in Table 4.
- Example 4 Composition of PVC color co-extruded material Component Number of copies PVC SG-3 70 servings Organotin heat stabilizer 1.5 servings ACR-401 2.5 servings NBR toughening agent 8.0 copies Barium sulfate 5.0 copies talcum powder 10.0 servings paraffin 1.0 copies Calcium stearate 0.5 parts Antioxidant 1010 0.25 parts UV531 0.25 parts Carbon black N660 0.05 parts Iron yellow 0.55 servings Iron oxide red 0.85 servings
- the cold mixed material is placed in the lower opening of the extruder, and the material is pelletized by melt extrusion to obtain granules.
- the processing conditions are as follows: temperature is 160 ⁇ 185 ° C, feeding speed is 30 rpm, screw speed is 45 rpm.
- the above-mentioned prepared PVC color co-extruded material is added into the co-extrusion feeding port of the PVC profile extruder, and is combined with the surface of the PVC profile by melt extrusion into a PVC profile having a color co-extruded surface.
- the PVC color co-extruded profiles produced by the embodiments 1 to 4 have a more beautiful visual effect than the ordinary PVC profiles (see FIG. 7), and can customize different color effects according to personal preferences to meet people's needs;
- Color profile ⁇ E of color profile changes with aging time Serial number L A B 2000h 3000h 4000h 5000h 6000h Implementation 1 54.4 -20.19 -1.02 1.05 1.45 1.93 2.34 3.44 Implementation 2 49.16 13.91 14.26 1.25 1.61 2.13 2.67 3.77 Implementation 3 55.98 -13.24 -28.09 0.95 1.36 1.91 2.45 3.56 Implementation 4 56.84 9.35 13.5 1.15 1.56 2.22 2.85 3.67 Color profile ⁇ B of color profile changes with aging time Serial number L A B 2000h 3000h 4000h 5000h 6000h Implementation 1 54.4 -20.19 -1.02 0.25 0.58 1.22 1.88 2.48 Implementation 2 49.16 13.91 14.26 0.35 0.76 1.56 2.13 2.66 Implementation 3 55.98 -13.24 -28.09 0.25 0.56 1.18 1.78 2.59 Implementation 4 56.84 9.35 13.5 0.42 0.65 1.76 2.23 2.87 Gap impact strength of co-extruded material on
- the PVC color co-extruded profiles produced by the examples 1 to 4 have the characteristics of being cheaper than the ASA/PVC co-extruded profiles under the same performance.
- Table 6 below is an example PVC/PVC color co-extruded profiles and a comparative ASA. Cost price of /PVC color coextrusion profiles (Because the cost prices of Examples 1 ⁇ 4 are close, the cost price of Examples 1 ⁇ 4 is stated at one price):
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Abstract
本发明公开了一种PVC彩色共挤料及其应用。所述PVC彩色共挤料含有以下质量份的原料:PVC树脂70~100份、热稳定剂4.0~7.5份、加工助剂0~8.0份、增韧剂0~8.0份、填充剂0~15份、润滑剂0.3~2.0份、耐候剂0.1~1.5份、颜料0.1~5.0份。采用本发明所述的PVC彩色共挤料,可在不同配方体系的硬质PVC塑料型材、PVC门窗等制品中形成色彩鲜艳、耐候性好、机械性能优异的表层共挤层。
Description
技术领域
本发明属于高分子材料技术领域,具体涉及一种PVC彩色共挤料及其应用。
背景技术
近年来,PVC塑料门窗、PVC塑料异型材等在国内得到广泛的普及和应用。由于PVC分子键中含有易老化分解的氯元素,在长时间放置的条件下容易发生老化变色变形等现象。传统的方法是在整个体系中添加大量耐候剂或在型材表层共挤一层ASA树脂,但是这样的成本很高。因此开发一种性能合格、成本较低的型材表层共挤料是很有意义的。
发明内容
本发明的一个目的在于提供一种PVC彩色共挤料。
本发明的另一个目的是提供一种上述PVC彩色共挤料的制备方法。
本发明的另一个目的是提供一种由上述PVC彩色共挤料制备得到的复合PVC塑料型材。
本发明所采取的技术方案是:
一种PVC彩色共挤料,含有以下质量份的原料:PVC树脂70~100份、热稳定剂1.5~7.5份、加工助剂0~8.0份、增韧剂0~8.0份、填充剂0~15份、润滑剂0.3~2.0份、耐候剂0.1~1.5份、颜料0.1~5.0份。
优选的,所述的PVC彩色共挤料,含有以下质量份的原料:PVC树脂70~100份、热稳定剂1.5~6份、加工助剂2.0~8.0份、增韧剂2.0~8.0份、填充剂8.0~15份、润滑剂0.6~1.5份、耐候剂0.5~1.2份、颜料0.8~1.65份。
所述PVC树脂为SG-1、SG-2、SG-3、SG-5、SG-7、SG-8中的一种或两种混合物。
所述热稳定剂为钙锌稳定剂,稀土铅盐复合稳定剂、二盐基亚磷酸铅、三盐基磷酸铅、有机锡热稳定剂中的一种或两种的混合物。
所述填充剂为重质碳酸钙、轻质碳酸钙、碳酸镁、陶土、滑石粉、硫酸钡、氢氧化铝、氢氧化镁、高岭土中的至少一种。
所述加工助剂为丙稀酸脂类共聚物(ACR)、甲基丙烯酸-丁二烯-苯乙烯共聚物(MBS)中的一种或两种的混合物。
所述润滑剂为石蜡、聚乙烯蜡(PE蜡)、聚丙烯蜡(PP蜡)、
乙烯基双硬脂酰胺(EBS)、硬脂酸、硬脂酸钙、硬脂酸锌中的至少一种。
所述增韧剂为三元乙丙橡胶(POE)、氯化聚乙烯(CPE)、丙烯腈-丁二烯-苯乙烯共聚物(ABS)、丁腈橡胶(NBR)、邻苯二甲酸二辛酯(DOP)中的至少一种;所述耐候剂为抗氧剂、紫外线吸收剂中的一种或两种的混合物。
以上所述PVC彩色共挤料的制备方法,包括如下步骤:
(1)按配方称取各原料,使用高速搅拌机混合均匀至100~120℃,然后将物料放入低速冷混机搅拌至40~60℃;
(2)将混合均匀的原料加入双螺杆挤出机中熔融造粒制得颗粒,工艺条件如下:温度为160~185℃,喂料速度35rpm,螺杆转速40rpm。
一种复合PVC彩色共挤型材,是利用以上所述的PVC彩色共挤料在PVC塑料异型材表层共挤一层共挤层所得。
本发明的有益效果是:采用本发明所述的PVC彩色共挤料,可在不同配方体系的硬质PVC塑料型材、PVC门窗等制品表层形成色彩鲜艳、耐候性好、机械性能优异的表层共挤层。
附图说明
图1为PVC彩色共挤料的生产流程图;
图2为PVC彩色共挤型材的生产流程图;
图3为实施例1制备的彩色共挤型材效果图;
图4为实施例2制备的彩色共挤型材效果图;
图5为实施例3制备的彩色共挤型材效果图;
图6为实施例4制备的彩色共挤型材效果图;
图7为没有进行表面共挤的普通PVC型材效果图。
具体实施方式
下面结合实施例对本发明作进一步的说明,但并不局限于此。以下实施例中,所用原料均为市售工业品。
实施例1
实施例1按照表1中各组分所示重量份配制。
表1实施例1 PVC彩色共挤料的组成
组份 | 份数 |
PVC SG-7 | 100 份 |
钙锌稳定剂 | 5.5 份 |
ACR-401 | 2.0 份 |
CPE135B | 8.0 份 |
轻质碳酸钙 | 8.0 份 |
硬脂酸 SA1801 | 0.5 份 |
聚乙烯蜡 | 0.6 份 |
抗氧剂 1010 | 0.3 份 |
UV531 | 0.6 份 |
炭黑 N330 | 0.25 份 |
酞青蓝 | 0.85 份 |
永固黄 | 0.35 份 |
制备方法
1. 彩色共挤料的制备方法(如图1所示):
(1)根据配方表1中材料重量份数将所有材料倒入高速搅拌机中搅拌均匀,将其温度搅拌至110℃,然后将其物料放入低速冷混搅拌机中缓慢搅拌至55℃;
(2)将冷混好的物料放入挤出机下料口处,物料通过熔融挤出造粒制得颗粒。其中加工工艺条件如下:温度为160~185℃,喂料速度30rpm,螺杆转速45rpm。
2. PVC彩色共挤型材的制备方法(如图2所示):
将上述制备好的PVC彩色共挤料加入PVC型材挤出机共挤喂料口中,通过熔融挤出与PVC型材表面结合成具有彩色共挤面的PVC型材。
采用本发明(实施例1)在PVC塑料异型材、PVC塑料门窗表层可以形成高光泽、耐候性能优异的草绿色共挤层(如图3)。
实施例2
实施例2照表2各组分所示重量份配制。
表2实施例2 PVC彩色共挤料的组成
材料名称 | 份数 |
PVC SG-5 | 100 份 |
稀土铅盐复合稳定剂(炜林纳) | 5.0 份 |
ACR-401 | 2.0 份 |
MBS | 5.0 份 |
CPE135B | 3.0 份 |
DOP | 3.0 份 |
轻质碳酸钙 | 10.0 份 |
硬脂酸 SA1837 | 0.5 份 |
56 号石蜡 | 0.6 份 |
抗氧剂 1010 | 0.4 份 |
UV531 | 0.8 份 |
炭黑 N330 | 0.25 份 |
耐晒红 | 0.85 份 |
永固黄 | 0.55 份 |
制备方法:
1.
根据配方表2中材料重量份数将所有材料倒入高速搅拌机中搅拌均匀,将其温度搅拌至115℃,然后将其物料放入低速冷混搅拌机中缓慢搅拌至55℃;
2.
将冷混好的物料放入挤出机下料口处,物料通过熔融挤出造粒制得颗粒。其中加工工艺条件如下:温度为160~185℃,喂料速度30rpm,螺杆转速45rpm。
将以上制备好的PVC彩色共挤料加入PVC型材挤出机共挤喂料口中,通过熔融挤出与PVC型材表面结合成具有彩色共挤面的PVC型材。
采用本发明(实施例2)在PVC塑料异型材、PVC塑料门窗表层可以形成高光泽、耐候性能优异的咖啡色共挤层(如图4)。
实施例3
实施例3按照表3中各组分所示重量份配制。
表3实施例3 PVC彩色共挤料的组成
组份 | 份数 |
PVC SG-8 | 100 份 |
三盐基磷酸铅 | 2.5 份 |
二盐基亚磷酸铅 | 3.5 份 |
CPE135B | 8.0 份 |
ABS 增韧剂 | 2.0 份 |
轻质碳酸钙 | 5.0 份 |
重质碳酸钙 | 3.0 份 |
硬脂酸 SA1801 | 0.3 份 |
石蜡 | 0.3 份 |
抗氧剂 1010 | 0.5 份 |
UV531 | 0.5 份 |
炭黑 N660 | 0.15 份 |
酞青蓝 | 0.65 份 |
制备方法:
1.
根据配方表3中材料重量份数将所有材料倒入高速搅拌机中搅拌均匀,将其温度搅拌至105℃,然后将其物料放入低速冷混搅拌机中缓慢搅拌至55℃;
2.
将冷混好的物料放入挤出机下料口处,物料通过熔融挤出造粒制得颗粒。其中加工工艺条件如下:温度为160~185℃,喂料速度30rpm,螺杆转速45rpm。
将以上制备好的PVC彩色共挤料加入PVC型材挤出机共挤喂料口中,通过熔融挤出与PVC型材表面结合成具有彩色共挤面的PVC型材。
采用本发明(实施例3)在PVC塑料异型材、PVC塑料门窗表层可以形成高光泽、耐候性能优异的深蓝色共挤层(如图5)。
实施例4
实施例4按照表4中各组分所示重量份配制。
表4实施例4 PVC彩色共挤料的组成
组份 | 份数 |
PVC SG-3 | 70 份 |
有机锡热稳定剂 | 1.5 份 |
ACR-401 | 2.5 份 |
NBR 增韧剂 | 8.0 份 |
硫酸钡 | 5.0 份 |
滑石粉 | 10.0 份 |
石蜡 | 1.0 份 |
硬脂酸钙 | 0.5 份 |
抗氧剂 1010 | 0.25 份 |
UV531 | 0.25 份 |
炭黑 N660 | 0.05 份 |
铁黄 | 0.55 份 |
铁红 | 0.85 份 |
制备方法:
1.
根据配方表4中材料重量份数将所有材料倒入高速搅拌机中搅拌均匀,将其温度搅拌至120℃,然后将其物料放入低速冷混搅拌机中缓慢搅拌至55℃;
2.
将冷混好的物料放入挤出机下料口处,物料通过熔融挤出造粒制得颗粒。其中加工工艺条件如下:温度为160~185℃,喂料速度30rpm,螺杆转速45rpm。
将以上制备好的PVC彩色共挤料加入PVC型材挤出机共挤喂料口中,通过熔融挤出与PVC型材表面结合成具有彩色共挤面的PVC型材。
采用本发明(实施例4)在PVC塑料异型材、PVC塑料门窗表层可以形成高光泽、耐候性能优异的古铜色共挤层(如图6)。
实施例1~4生产制备的PVC彩色共挤型材较普通PVC型材(如图7)具有更美观的视觉效果,可以根据个人喜好定制不同的颜色效果,满足人们的需求;
实施例1~4生产制备的PVC彩色共挤型材的耐候性能和物理机械性能如下(表5):
表5
彩色型材表面颜色△E随老化时间的变化 | ||||||||
序号 | L | A | B | 2000h | 3000h | 4000h | 5000h | 6000h |
实施1 | 54.4 | -20.19 | -1.02 | 1.05 | 1.45 | 1.93 | 2.34 | 3.44 |
实施2 | 49.16 | 13.91 | 14.26 | 1.25 | 1.61 | 2.13 | 2.67 | 3.77 |
实施3 | 55.98 | -13.24 | -28.09 | 0.95 | 1.36 | 1.91 | 2.45 | 3.56 |
实施4 | 56.84 | 9.35 | 13.5 | 1.15 | 1.56 | 2.22 | 2.85 | 3.67 |
彩色型材表面颜色△B随老化时间的变化 | ||||||||
序号 | L | A | B | 2000h | 3000h | 4000h | 5000h | 6000h |
实施1 | 54.4 | -20.19 | -1.02 | 0.25 | 0.58 | 1.22 | 1.88 | 2.48 |
实施2 | 49.16 | 13.91 | 14.26 | 0.35 | 0.76 | 1.56 | 2.13 | 2.66 |
实施3 | 55.98 | -13.24 | -28.09 | 0.25 | 0.56 | 1.18 | 1.78 | 2.59 |
实施4 | 56.84 | 9.35 | 13.5 | 0.42 | 0.65 | 1.76 | 2.23 | 2.87 |
彩色型材表面共挤料缺口冲击强度随老化时间的变化 | ||||||||
编号 | 原始 | 冲击强度, kJ/m | 冲击强度保留率, % | |||||
2000h | 4000h | 6000h | 2000h | 4000h | 6000h | |||
实施1 | 81.2 | 73.9 | 66.6 | 62.5 | 91 | 82 | 77 | |
实施2 | 82.3 | 76.5 | 69.9 | 62.5 | 93 | 85 | 76 | |
实施3 | 81.5 | 73.3 | 66 | 60.3 | 90 | 81 | 74 | |
实施4 | 81.6 | 72.6 | 65.3 | 59.6 | 89 | 80 | 73 |
从上表可以看出,PVC彩色共挤型材的颜色随老化时间的变化小,冲击强度的保留率好,总体耐候性能和机械性能优异。
实施例1~4生产制备的PVC彩色共挤型材较ASA/PVC共挤型材在性能一样的情况下具有价格更便宜的特点,以下表6是实施例PVC/PVC彩色共挤型材和对比例ASA/PVC彩色共挤型材的***格(由于实施例1~4***格接近,所以实施例1~4***格以一个价格说明):
表6
原料成本(按配方成本计算) | 实施例 PVC/PVC彩色型材 (按添加量15%计算) | 对比例 ASA/PVC彩色型材 (按添加量15%计算) |
PVC 型材原料成本 (元/吨) | 7500 | 7500 |
PVC 彩色共挤料 (元/吨) | 8500*15%=1275 | / |
ASA 彩色共挤料(元/吨) | / | 23000*15%=3450 |
总成本(元/吨) | 8775 | 10950 |
从表6可以看出采用实施例1~4制备的PVC/PVC彩色共挤型材较ASA/PVC彩色共挤型材成本降低2175元/吨,具有优异的经济效益。
Claims (10)
- 一种PVC彩色共挤料,含有以下质量份的原料:PVC树脂70~100份、热稳定剂1.5~7.5份、加工助剂0~8.0份、增韧剂0~8.0份、填充剂0~15份、润滑剂0.3~2.0份、耐候剂0.1~1.5份、颜料0.1~5.0份。
- 根据权利要求1所述的PVC彩色共挤料,其特征在于,含有以下质量份的原料:PVC树脂70~100份、热稳定剂1.5~6份、加工助剂2.0~8.0份、增韧剂2.0~8.0份、填充剂8.0~15份、润滑剂0.6~1.5份、耐候剂0.5~1.2份、颜料0.8~1.65份。
- 根据权利要求1或2所述的PVC彩色共挤料,其特征在于,所述PVC树脂为SG-1、SG-2、SG-3、SG-5、SG-7、SG-8中的一种或两种混合物。
- 根据权利要求1或2所述的PVC彩色共挤料,其特征在于,所述热稳定剂为钙锌稳定剂,稀土铅盐复合稳定剂、二盐基亚磷酸铅、三盐基磷酸铅、有机锡热稳定剂中的一种或两种的混合物。
- 根据权利要求1或2所述的PVC彩色共挤料,其特征在于,所述填充剂为重质碳酸钙、轻质碳酸钙、碳酸镁、陶土、滑石粉、硫酸钡、氢氧化铝、氢氧化镁、高岭土中的至少一种。
- 根据权利要求1或2所述的PVC彩色共挤料,其特征在于,所述加工助剂为丙稀酸脂类共聚物、甲基丙烯酸-丁二烯-苯乙烯共聚物中的一种或两种的混合物。
- 根据权利要求1或2所述的PVC彩色共挤料,其特征在于,所述润滑剂为石蜡、聚乙烯蜡、聚丙烯蜡、 乙烯基双硬脂酰胺、硬脂酸、硬脂酸钙、硬脂酸锌中的至少一种。
- 根据权利要求1或2所述的PVC彩色共挤料,其特征在于,所述增韧剂为三元乙丙橡胶、氯化聚乙烯、丙烯腈-丁二烯-苯乙烯共聚物、丁腈橡胶、邻苯二甲酸二辛酯中的至少一种;所述耐候剂为抗氧剂、紫外线吸收剂中的一种或两种的混合物。
- 权利要求1~8任一项所述PVC彩色共挤料的制备方法,包括如下步骤:(1)按配方称取各原料,使用高速搅拌机混合均匀至100~120℃,然后将物料放入低速冷混机搅拌至40~60℃;(2)将混合均匀的原料加入双螺杆挤出机中熔融造粒制得颗粒,工艺条件如下:温度为160~185℃,喂料速度35rpm,螺杆转速40rpm。
- 一种复合PVC彩色共挤型材,是利用权利要求1~9所述的PVC彩色共挤料在PVC塑料异型材表层共挤一层共挤层所得。
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