CN101864130B - PVC plastic-wood material - Google Patents

PVC plastic-wood material Download PDF

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CN101864130B
CN101864130B CN 201010236506 CN201010236506A CN101864130B CN 101864130 B CN101864130 B CN 101864130B CN 201010236506 CN201010236506 CN 201010236506 CN 201010236506 A CN201010236506 A CN 201010236506A CN 101864130 B CN101864130 B CN 101864130B
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parts
wood
pvc
maleic anhydride
material
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CN101864130A (en
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杜东东
杨飞
郑生力
陈�峰
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南京皇家聚锋建筑材料有限公司
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Abstract

The invention relates to a PVC plastic-wood material which has large wood powder consumption, high strength and smooth appearance. The PVC plastic-wood material comprises the following components in parts by mass:100 parts of PVC, 30-50 parts of wood powder, 5-10 parts of chlorinated polyethylene, 0.1-0.3 part of methyl methacrylate, 0.3-0.5 part of AC foaming agent, 1-5 parts of plasticizer, 1-5parts of foaming adjusting agent, 1-3 parts of calcium-zinc stabilizing agent, 0.2-0.5 part of octadecanoic acid, 0.5-2 parts of ceresin wax, 10-20 parts of light activated calcium carbonate, titanate coupling agent, maleic anhydride and 1-3 parts of antioxygen, wherein the mass ratio of the titanate coupling agent to the wood powder is 1:100-8:100, and the mass ratio of the maleic anhydride to the wood powder is 1:100-8:100. By adopting the proportion of the materials in the invention, the wood powder doping amount can be effectively improved, and the obtained PVC plastic-wood material has high strength and smooth appearance.

Description

PVC塑木材料 PVC wood materials

技术领域 FIELD

[0001] 本发明涉及一种PVC塑木材料。 [0001] The present invention relates to a PVC wood materials. 背景技术 Background technique

[0002] 塑木,顾名思义,就是实木与塑料的结合体,它既保持了实木的亲和性感觉,又具有良好的防潮耐水,耐酸碱,抑真菌,抗静电,防虫蛀等性能。 [0002] WPC, by definition, is a combination of wood and plastics, both to maintain affinity for wood feeling, but also has good moisture water, acid, fungistatic, anti-static, anti-insect properties. 利用木屑、稻草、废塑料等废弃物生产的系列木塑复合材料正逐步进入装修、建筑等领域。 The use of waste to produce WPC series of wood chips, straw, waste plastics are gradually entering the field of decoration and building. 目前主要的产品是以木屑与PVC 结合所得的PVC塑木材料,但是,由于掺入木粉后,体系相容性较差,使得制品的强度下降、 外观不平滑。 The main products are wood and wood materials PVC PVC binding obtained, however, because the incorporation of wood flour, less compatible systems, so that the strength of the article decreases, appearance not smooth. 因此一般PVC塑木材料中的木粉用量约为PVC的20%左右。 Thus PVC wood flour material is generally used in an amount of about 20% of PVC.

发明内容 SUMMARY

[0003] 本发明提供一种PVC塑木材料,木粉用量大、强度高、外观平滑。 [0003] The present invention provides a PVC wood materials, a large amount of wood flour, high strength, smooth appearance.

[0004] 所述PVC塑木材料的组成为: [0004] The composition of the wood material is PVC:

[0005] PVC :100 份; [0005] PVC: 100 parts;

[0006]木粉:30-50 份; [0006] Wood Flour: 30-50 parts;

[0007] 氯化聚乙烯(以下简称CPE) :5-10份; [0007] The chlorinated polyethylene (hereinafter referred to as CPE): 5-10 parts;

[0008] 甲基丙烯酸甲酯:0. 1-0. 3份; . [0008] Methyl methacrylate: 01-03 parts;

[0009] AC 发泡剂:0· 3-0. 5 份; [0009] AC foaming agent: 0.5 parts 3-05;.

[0010] 增塑剂:1-5份; [0010] Plasticizer: 1-5 parts;

[0011] 发泡调节剂:1-5份; [0011] foam regulator: 1-5 parts;

[0012] 钙锌稳定剂:1-3份; [0012] Ca-Zn stabilizers: 1-3 parts;

[0013]硬脂酸:0. 2-0. 5 份; . [0013] Stearic acid: 02-05 parts;

[0014]石蜡:0.5-2 份; [0014] Paraffin: 0.5-2 parts;

[0015] 轻质活性碳酸钙:10-20份; [0015] The light calcium carbonate: 10-20 parts;

[0016] 钛酸酯偶联剂:钛酸酯偶联剂与木粉的质量比为1 : 100〜8 : 100; [0016] Titanate coupling agents: mass titanate coupling agent and wood flour ratio was 1: 100~8: 100;

[0017] 马来酸酐:马来酸酐与木粉的质量比为1 : 100〜8 : 100 ; [0017] Maleic anhydride: maleic anhydride and the wood powder mass ratio of 1: 100~8: 100;

[0018] 抗氧剂:1-3份; [0018] Antioxidant: 1-3 parts;

[0019] 所述份数均为质量份。 The [0019] parts are parts by mass.

[0020] 所述木粉为农业秸秆、锯末料等磨粉料,含水率不超过3%,细度为10-50目。 [0020] The agricultural straw wood flour, sawdust feed materials such as flour, water content less than 3%, fineness of 10-50 mesh. [0021 ] 所述PVC和CPE采用PVC塑木材料通用的材料,在此不再赘述。 [0021] The use of PVC CPE PVC and wood materials common materials, are not repeated here.

[0022] 作为优选方案,所述增塑剂为邻苯二甲酸二辛酯(以下简称D0P),所述发泡调节剂为日本中渊化学工业株式会社的PA-40。 [0022] As a preferred embodiment, the plasticizer is dioctyl phthalate (hereinafter abbreviated D0P), the foaming agent is adjusted deep Japan Chemical Co., Ltd. PA-40.

[0023] 所述抗氧剂可选用公知的各种氧化剂,优选为四[甲基-β_(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯(以下简称1010)。 [0023] The antioxidant can be selected various known oxidizing agent, preferably tetrakis [methyl -β_ (3,5- di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol (hereinafter abbreviated 1010 ).

[0024] 作为本发明的改进,所述PVC塑木材料的组成还包括金红石钛白粉5-15份;杀菌防霉剂0. 1-0. 5份和木纹母粒0. 5-2份。 [0024] As an improvement of the invention, the PVC composition further comprises a wood material 5-15 parts of rutile titanium dioxide;. Fungicides 0.5 1-05 parts wood base particles and 0.5 parts 5-2 . 木纹母粒根据产品纹理需要,可以选用一种或多种。 Wood grain texture masterbatch based on product needs, you can choose one or more.

[0025] 采用本发明所述材料配比,可以有效提高木粉掺量,同时所得PVC塑木材料的强度高、外观平滑。 [0025] The ratio of the material of the present invention can effectively improve wood ash, while the resulting high-strength PVC material, wood, smooth appearance.

[0026] 所述PVC塑木材料优选按下述方法制备: [0026] The wood material preferably PVC prepared as follows:

[0027] 步骤a,把木粉和马来酸酐混合,在70〜100°C下干燥后待用; [0027] Step a, maleic anhydride, and the mixed wood meal, at 70~100 ° C after drying stand;

[0028] 步骤b,搅拌混合: [0028] Step b, stirred and mixed:

[0029] 将PVC加入混料机中,加入木粉与马来酸酐的混合物、氯化聚氯乙烯、甲基丙烯酸甲酯、硬脂酸、石蜡、轻质活性碳酸钙、抗氧剂以350〜500转/分的低速搅拌,使材料混合均勻;待温度升至讨〜66 °C时,加入钙锌稳定剂搅拌至81〜99°C,然后加入AC发泡剂和增塑剂、发泡调节剂,再以1500〜2500转/分的高速搅拌至112〜138°C,冷却至36〜44°C 卸料,得到预混料; [0029] PVC to blender, was added a mixture of wood flour and maleic anhydride, chlorinated polyvinyl chloride, methyl methacrylate, stearic acid, paraffin, light calcium carbonate, antioxidant 350 ~ 500 r / min low speed stirring, the mixed material; when the temperature was raised to be discussed ~66 ° C, calcium zinc stabilizer was added with stirring to 81~99 ° C, followed by addition of a blowing agent and a plasticizer AC, hair foam regulators, then 1500~2500 rpm / min stirring at high speed to 112~138 ° C, cooled to 36~44 ° C discharge, resulting premix;

[0030] 步骤C,造粒,得到半成品塑木造粒粒料: [0030] Procedure C, granulated, pelletized to obtain pellets of wood semifinished:

[0031] 步骤d,成型。 [0031] Step d, molding.

[0032] 作为进一步优选方案,所述PVC塑木材料的组成包括木纹母粒0. 5-2份时,制备PVC塑木材料的步骤d中,采用双螺杆挤出机成型,所述双螺杆挤出机包括挤出成型机本体、挤出成型机本体上沿挤出方向顺序设有第一入料装置和第二入料装置,将半成品塑木造粒粒料、木纹母粒分别经第一入料装置和第二入料装置加入挤出成型机,挤出成型。 [0032] As a further preferred embodiment, the composition of the wood material comprises wood PVC masterbatch when 0.5 parts 5-2, Step d Preparation of PVC wood materials, molded using a twin screw extruder, a bis screw extruder comprising an extrusion molding machine body, an extrusion direction of extrusion are provided a first feeding means and second feeding means on the molding machine body, the semi-finished granulated wood pellets, wood masterbatch were treated first feeding means and second feeding means added to an extruder, an extrusion molding.

[0033] 采用上述优选方案制备PVC塑木材料,能够保证木纹母粒的分散更加均勻,并可以通过控制两个入料装置的加料速度得到不同的木纹效果。 [0033] The preparation of the above preferred embodiment PVC wood material, to ensure more uniform dispersion of the masterbatch grain, and grain effects can be obtained by controlling the different feeding devices of the two feed rates. 该添加木纹母粒的方法有别于传统的直接加入混料机内进行混合的方法,传统的混合方法中母粒在料筒内因为自重的原因,将会导致其在原料内的分散得不到控制。 The masterbatch added grain is different from a traditional manner directly into the mixer for mixing methods, conventional masterbatch mixing process in the cylinder because of its own weight, which will result in the dispersion of the starting material to obtain less than control.

附图说明 BRIEF DESCRIPTION

[0034] 图1是本发明所用双螺杆挤出机结构示意图。 [0034] FIG. 1 is a schematic view of a twin screw extruder structure of the present invention is used. 具体实施方式 Detailed ways

[0035] 下面特举较佳实施例,对本发明作详细说明如下。 [0035] For the following Laid preferred embodiments of the present invention is described in detail below.

[0036] 以下实施例采用的原料为: [0036] The starting material is employed in the following examples:

[0037] PVC :齐鲁石油化工公司生产,牌号SG-8 ; [0037] PVC: Qilu Petrochemical Corporation, trade name SG-8;

[0038] CPE :江苏天腾化工有限公司生产,牌号CPE135 ; [0038] CPE: Jiangsu days Teng Chemical Co., grades CPE135;

[0039] 钛酸酯偶联剂:上海诺泰化工有限公司生产,牌号LH-22 ; [0039] Titanate coupling agents: the Shanghai Nuotai Chemical Co., Grade LH-22;

[0040] 木粉:含水率为1 %,细度为30目; [0040] flour: water content of 1%, a fineness of 30 mesh;

[0041] 木纹母粒:广东昌盛化工有限公司生产,牌号F38。 [0041] Wood masterbatch: Guangdong Changsheng Chemical Co., Ltd., grade F38.

[0042] 实施例所用配比如表1所示: [0042] As used with such an embodiment is shown in Table 1:

[0043] 表1 [0043] TABLE 1

[0044] [0044]

Figure CN101864130BD00061

[0045] 上述各实施例中的生产步骤包括: [0045] The above-described embodiments of production steps comprising:

[0046] 1)将木粉与马来酸酐加入干燥器中干燥1〜2小时,干燥器的温度设定在70〜 100°C,干燥后木粉的含水率低于在0. 5%。 [0046] 1) The wood meal added to the dry maleic anhydride with 1 to 2 hours in a dryer, a dryer set at a temperature of 70~ 100 ° C, after drying the water content in the wood flour is less than 0.5%.

[0047] 2)将PVC与木粉、金红石钛白粉、CPE、甲基丙烯酸甲酯、硬脂酸、石蜡、轻质活性碳酸钙、杀菌防霉剂、抗氧剂以350〜500转/分的低速搅拌,使材料混合均勻,待温度升至54〜66°C时,加入钙锌稳定剂搅拌至81〜99°C ; [0047] 2) the PVC and wood flour, rutile titanium dioxide, CPE, methyl methacrylate, stearic acid, paraffin, light calcium carbonate, mildew, antioxidants to 350~500 revolutions / min low speed stirring, the mixed material, to be raised to a temperature of 54~66 ° C, calcium zinc stabilizer was added with stirring to 81~99 ° C;

[0048] 然后加入AC发泡剂、增塑剂、发泡调节剂和钛酸酯偶联剂,再以1500〜2500转/分的高速搅拌至112〜138°C,所混料由混料机热混系统卸料至冷混系统,冷却至36〜 44°C卸料,得到预混料; [0048] followed by addition of AC foaming agent, plasticizer, foaming agent, and a titanate coupling agent regulator, and then to 1500~2500 rpm / min stirring at high speed to 112~138 ° C, the mixing by the mixing hot mix to cold mix discharge system, cooling to 36~ 44 ° C discharge, resulting premix;

[0049] 3)将预混料经单螺杆挤出机挤出造粒,工艺温度设定在125〜145°C,作为半成品塑木造粒粒料留待利用; [0049] 3) The premix was a single screw extruder granulation, the process temperature was set at 125~145 ° C, granulated pellet left as a semi-finished wood utilization;

[0050] 4)将挤出造粒后的粒子加入如图1所示的双螺杆挤出机挤出成型,另外把木纹母粒按比例混合后,加入挤出机挤出成型,得到所需类型的木纹纹理。 [0050] 4) The particles after extrusion granulation added twin-screw extruder shown in FIG. 1, the extrusion molding, further the ratio of the wood base particles by mixing, extruded by an extruder, to give the to be the type of wood grain texture. 实施例1-8所得型材均为结皮木质纹理效果,在出口模时无发喘现象。 Examples 1-8 are profiles obtained crust wood grain effect, no phenomenon pant at exit die.

[0051] 所述双螺杆挤出机结构如图1所示,包括挤出成型机本体a、第一入料装置b、第二入料装置c以及塑木模具d。 [0051] The twin-screw extruder shown in Figure 1, comprises an extruder main body a, a first feeding device B, the second feeding means and wood mold c d. 其中,第一入料装置b和第二入料装置c均设置在本体上,且第一和第二入料装置沿挤出方向依次排列。 Wherein the first feeding means and second feeding means b c are provided on the body, and the first and second feeding means arranged in order along the extrusion direction. 第一入料装置b用于半成品塑木造粒粒料的加入,第二入料装置c用于木纹母粒的加入。 First feeding means for feeding semifinished b granulated wood pellets, second feeding means for feeding grain c masterbatch. 塑木模具d设置于挤出成型机本体a的出料口处。 D wood mold disposed at the discharge port of the extruder main bodies a.

[0052] 如图所示,第一入料装置b包括第一料斗11、第一推进管道12、第一进料螺杆13 以及相应驱动电机和第一入料管道14。 [0052] As shown, a first feeding means comprises a first hopper 11 b, 12 a first propulsion conduit, the first feed screw 13 and the respective drive motor and a first feed duct 14. 其中,第一推进管道12与挤出成型机本体a平行。 Wherein the first propulsion duct 12 in parallel with the extruder body a. 第一料斗11垂直连在第一推进管道12的进料端。 First hopper 11 attached to a first vertical advancing the feed end of conduit 12. 第一进料螺杆13设在第一推进管道12 内。 The first feed screw 13 provided in the conduit 12 first propulsion. 第一入料管道14垂直连在第一推进管道12的出料端和成型机本体a之间。 A first feed conduit 14 attached to a first vertical propulsion pipe 12 between the discharge end of the machine body and a.

[0053] 第二入料装置c包括第二料斗21、第二推进管道22、第二进料螺杆23以及相应驱动电机和第二入料管道对。 [0053] The second feeding means comprises a second hopper 21 c, 22 second propulsion duct, the second feed screw 23 and the respective drive motor and a second feed conduit pairs. 第二推进管道22与所述成型机本体a平行。 Second propulsion duct 22 and parallel to a main body of the molding machine. 第二料斗21垂直连在第二推进管道22的进料端。 The second feed hopper 21 connected perpendicularly at an end 22 of the second propulsion duct. 第二进料螺杆23设在第二推进管道22内。 Second feed screw 23 provided in the second propulsion duct 22. 第二入料管道M垂直连在第二推进管22道的出料端和成型机本体a之间。 M second feed conduit attached to the second vertical advancing tube 22 to the discharge end and between a machine body. 第二入料管道M与成型机本体a之间设有真空口25。 M second feed conduit is provided with a molding machine body 25 between the vacuum port.

[0054] 利用以上实施案例检测到的性能实验数据如表2所示(试件尺寸:高2. 5mm,长50mm,宽15mm): [0054] With the above embodiments cases detected performance test data shown in Table 2 (sample size: High 2. 5mm, length 50mm, width 15mm):

[0055] 表2 [0055] TABLE 2

[0056] [0056]

Figure CN101864130BD00081

[0057] 本发明中所述具体实施案例仅为本发明的较佳实施案例而已,并非用来限定本发明的实施范围。 In particular embodiments of the invention cases of [0057] the present case merely preferred embodiment of the present invention, but not intended to limit the scope of embodiments of the present invention. 即凡依本发明申请专利范围的内容所作的等效变化与修饰,都应作为本发明的技术范畴。 I.e. all such modifications and equivalent scope of the patent application under this invention is made by, as should the technical scope of the present invention.

Claims (7)

1. 一种PVC塑木材料,其特征在于组成为: PVC :100 份;木粉:30-50份; 氯化聚乙烯:5-10份; 甲基丙烯酸甲酯:0. 1-0. 3份; AC发泡剂:0. 3-0. 5份; 增塑剂:1-5份; 发泡调节剂:1-5份; 钙锌稳定剂:1-3份; 硬脂酸:0. 2-0. 5份; 石蜡:0. 5-2份; 轻质活性碳酸钙:10-20份;钛酸酯偶联剂:钛酸酯偶联剂与木粉的质量比为1 : 100〜8 : 100; 马来酸酐:马来酸酐与木粉的质量比为1 : 100〜8 : 100 ; 抗氧剂:1-3份; 所述份数均为质量份。 A PVC wood materials, characterized in that the composition: PVC: 100 parts; wood flour: 30-50 parts; chlorinated polyethylene: 5-10 parts; methyl methacrylate: 01-0. 3 parts; the AC foaming agent: 03-05 parts; plasticizer: 1-5 parts; foam Control agent: 1-5 parts; Ca-Zn stabilizer: 1-3 parts; stearic acid: 0. 2-05 parts; Paraffin: 05-2 parts; light calcium carbonate: 10-20 parts; a titanate coupling agent: titanate coupling agent mass ratio of the wood powder 1 : 100~8: 100; maleic anhydride: maleic anhydride and the wood powder mass ratio of 1: 100~8: 100; antioxidant: 1-3 parts; the parts are parts by mass.
2.如权利要求1所述的PVC塑木材料,其特征在于所述木粉含水率不超过3 %,细度为10-50 目。 2. PVC wood material according to claim 1, wherein the moisture content of the wood meal is not more than 3%, fineness of 10-50 mesh.
3.如权利要求1所述的PVC塑木材料,其特征在于所述增塑剂为邻苯二甲酸二辛酯,所述发泡调节剂为日本中渊化学工业株式会社的PA-40。 3. PVC wood materials according to claim 1, characterized in that the plasticizer is dioctyl phthalate, a foaming agent is adjusted deep Japan Chemical Co., Ltd. PA-40.
4.如权利要求1所述的PVC塑木材料,其特征在于所述抗氧剂为四[甲基-β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯。 4. PVC wood materials according to claim 1, wherein the antioxidant is tetrakis [methyl -β- (3,5- di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol.
5.如权利要求1-4中任一项所述的PVC塑木材料,其特征在于所述PVC塑木材料的组成还包括金红石钛白粉5-15份;杀菌防霉剂0. 1-0. 5份和木纹母粒0. 5-2份。 5. PVC wood material according to any one of claims 1-4, wherein said composition further comprises a PVC material wood 5-15 parts rutile titanium dioxide; Fungicides 0. 1-0 5 parts of wood base particles and 0.5 parts 5-2.
6.如权利要求1-4中任一项所述的PVC塑木材料,其特征在于所述PVC塑木材料按下述方法制备:步骤a,把木粉和马来酸酐混合,在70〜100°C下干燥后待用; 步骤b,搅拌混合:将PVC加入混料机中,加入木粉与马来酸酐的混合物、氯化聚乙烯、甲基丙烯酸甲酯、 硬脂酸、石蜡、轻质活性碳酸钙、抗氧剂以350〜500转/分的低速搅拌,使材料混合均勻; 待温度升至M〜66°C时,加入钙锌稳定剂搅拌至81〜99°C,然后加入AC发泡剂、增塑剂、 发泡调节剂和钛酸酯偶联剂,再以1500〜2500转/分的高速搅拌至112〜138°C,冷却至36〜44°C卸料,得到预混料;步骤c,造粒,得到半成品塑木造粒粒料: 步骤d,成型。 6. PVC wood material according to any one of claims 1 to 4, wherein said PVC-wood material was prepared as follows: Step a, maleic anhydride and the wood flour, in 70~ stand at 100 ° C after drying; step B, stirred and mixed: PVC to blender, a mixture of wood flour and maleic anhydride, polyvinyl chloride, methyl methacrylate, stearic acid, paraffin wax, light calcium carbonate, antioxidant stirred at low speed 350~500 revolutions / minute, the material is uniformly mixed; when the temperature was raised until M~66 ° C, calcium zinc stabilizer was added with stirring to 81~99 ° C, and then Add AC foaming agent, plasticizer, foaming agent, and a titanate coupling agent regulator, and then to 1500~2500 rpm / min stirring at high speed to 112~138 ° C, cooled to 36~44 ° C discharge, resulting premix; step C, granulated, pelletized to obtain pellets of semi-finished wood: step d, molding.
7.如权利要求6所述的PVC塑木材料,其特征在于所述PVC塑木材料的组成还包括木纹母粒0. 5-2份,制备PVC塑木材料的步骤d中,采用双螺杆挤出机成型,所述双螺杆挤出机包括挤出成型机本体、挤出成型机本体上沿挤出方向顺序设有第一入料装置和第二入料装置,将半成品塑木造粒粒料、木纹母粒分别经第一入料装置和第二入料装置加入挤出成型机,挤出成型。 7. PVC wood materials according to claim 6, wherein said composition further comprises a PVC material wood grain 0. 5-2 parts of base particles, prepared in step d PVC wood material, double molding screw extruder, a twin-screw extruder comprising an extrusion molding machine body, an extrusion direction of extrusion are provided a first feeding means and second feeding means on the molding machine body, the granulated wood semifinished pellets, wood base particles were treated first feeding means and second feeding means added to an extruder, an extrusion molding.
CN 201010236506 2010-07-26 2010-07-26 PVC plastic-wood material CN101864130B (en)

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