CN103351615B - 一种易降解环保尼龙的制备方法 - Google Patents
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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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
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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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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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
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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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Abstract
本发明涉及一种易降解环保尼龙的制备方法,该方法包括下列步骤:称取聚酰胺纤维于90℃下干燥4小时,然后和羟丙基纤维素、聚丙烯、界面偶联剂、增韧剂和分散润滑剂,于高速搅拌机中以1100转/分钟搅拌5分钟,待均匀后放出;把混合均勺的物料加入长径比(L/D)为40的双螺杆挤出机中,双螺杆挤出机的加工温度:一区温度180℃,二区温度为185℃,三区温度为195℃,四区温度为210℃,五区温度为215℃,六区温度为225℃,七区温度为235℃,八区温度为240℃,主机转速为320转/min;经过挤出后冷却牵条、风干切粒,即制备本发明所述的易降解环保改性尼龙。本发明所述的方法制得的尼龙的易降解环保性得到极大增强。
Description
技术领域
本发明涉及尼龙领域,具体的说,本发明涉及一种易降解环保尼龙的制备方法。
背景技术
聚酰胺纤维俗称尼龙,其用途非常广泛,汽车工业常用于制造汽车零部件如仪表板、车身外板、内装饰板、方向盘、隔音板、门锁、保险杠、通风管等,家电行业常用于制造如电冰箱、电视机、洗衣机、真空吸尘器、食品搅拌器、电话机的壳体等,在建筑装饰行业常用于制造如卫生器具、游泳池衬里、管材和管件等,另外还用于制造安全帽、摩托车档板、鞋后跟、雪地运动用品、玩具、时钟、音箱外壳、手提箱、纽扣、化妆品盒等日用品和铭牌、装饰品等广告品。
尽管聚酰胺纤维应用广泛,但由于聚酰胺纤维本身分子结构性能的特性,使得聚酰胺纤维在易降解环保性方面不足。
发明内容
本发明的目的在于提供一种易降解环保尼龙的制备方法。
为了实现本发明的目的,本发明提供一种易降解环保尼龙的制备方法,该方法包括下列步骤:称取聚酰胺纤维于90℃下干燥4小时,然后和羟丙基纤维素、聚丙烯、界面偶联剂、增韧剂和分散润滑剂,于高速搅拌机中以1100转/分钟搅拌5分钟,待均匀后放出;把混合均勺的物料加入长径比(L/D)为40的双螺杆挤出机中,双螺杆挤出机的加工温度:一区温度180℃,二区温度为185℃,三区温度为195℃,四区温度为210℃,五区温度为215℃,六区温度为225℃,七区温度为235℃,八区温度为240℃,主机转速为320转/min;经过挤出后冷却牵条、风干切粒,即制备本发明所述的易降解环保改性尼龙。
优选地,各种原料的用量如下:
聚酰胺纤维 40~70 重量份;
界面偶联剂 3~8 重量份;
增韧剂 3~10 重量份;
分散润滑剂 0.5~1.0重量份;
羟丙基纤维素 5~10 重量份;
聚丙烯 10~15 重量份。
优选地,所述界面偶联剂为γ-氨丙基三乙氧基硅烷(KH550)、γ-缩水甘油醚氧丙基三甲氧基硅烷(KH560)、γ-(甲基丙烯酰氧)丙基三甲氧基硅烷(KH570)、聚酰胺纤维接枝马来酸(聚酰胺纤维-g-MAH)、苯乙烯-马来酸酐共聚物(SMA)、聚丙烯接枝马来酸酐(LDPE-g-MAH)、线性低密度聚丙烯接枝马来酸酐(LLDPE-g-MAH)、缩水甘油醚型环氧树脂中的一种或几种。
优选地,所述增韧剂为甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物(MBS)、甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物、氢化苯乙烯/丁二烯/苯乙烯)嵌段共聚物(SEBS)中的一种或几种。
优选地,所述分散润滑剂为硬脂酸单甘油酯、三硬脂酸甘油酯、乙撑双硬脂酰胺、乙撑双月桂酰胺、乙撑双油酸酰胺、低分子量离聚物、乙烯-丙烯酸共聚物、乙烯-醋酸乙烯共聚物中的一种或几种。
优选地,各种原料的用量如下:
聚酰胺纤维 60 重量份;
γ-氨丙基三乙氧基硅烷 5 重量份;
甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物 5 重量份;
硬脂酸单甘油酯 0.8 重量份;
羟丙基纤维素 8 重量份;
聚丙烯 13 重量份。
本发明所述的方法制得的尼龙的易降解环保性得到极大增强。
具体实施方式
以下通过具体实施方式的描述对本发明作进一步说明,但这并非是对本发明的限制,本领域技术人员根据本发明的基本思想,可以做出各种修改或改进,但是只要不脱离本发明的基本思想,均在本发明的范围之内。
实施例1
称取600克的聚酰胺纤维于90℃下干燥4小时,然后和羟丙基纤维素80克、聚丙烯130克、γ-氨丙基三乙氧基硅烷50克、甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物50克和硬脂酸单甘油酯8克,于高速搅拌机中以1100转/分钟搅拌5分钟,待均匀后放出。把混合均勺的物料加入长径比(L/D)为40的双螺杆挤出机中,双螺杆挤出机的加工温度:一区温度180℃,二区温度为185℃,三区温度为195℃,四区温度为210℃,五区温度为215℃,六区温度为225℃,七区温度为235℃,八区温度为240℃,主机转速为320转/min;经过挤出后冷却牵条、风干切粒,即制备本发明所述的易降解环保尼龙。
实施例2
按照和实施例1相同的方式制备易降解环保尼龙,不同之处在于不使用羟丙基纤维素。
实施例3
按照和实施例1相同的方式制备易降解环保尼龙,不同之处在于不使用聚丙烯。
实验例
按ASTM D3826-91(采用拉伸试验测定可降解聚丙烯及聚丙烯降解终点的标准规则)要求进行测试降解性,结果如下:
由此可见,加入羟丙基纤维素和聚丙烯产生了出乎意料地协同作用。
Claims (1)
1.一种易降解环保尼龙的制备方法,该方法包括下列步骤:称取聚酰胺纤维于90℃下干燥4小时,然后和羟丙基纤维素、聚丙烯、界面偶联剂、增韧剂和分散润滑剂,于高速搅拌机中以1100转/分钟搅拌5分钟,待均匀后放出;把混合均匀的物料加入长径比(L/D)为40的双螺杆挤出机中,双螺杆挤出机的加工温度:一区温度180℃,二区温度为185℃,三区温度为195℃,四区温度为210℃,五区温度为215℃,六区温度为225℃,七区温度为235℃,八区温度为240℃,主机转速为320转/min;经过挤出后冷却牵条、风干切粒,即制备所述的易降解环保改性尼龙各种原料的用量如下:
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CN102558613A (zh) * | 2010-12-28 | 2012-07-11 | 上海杰事杰新材料(集团)股份有限公司 | 一种天然植物纤维素增强热塑性塑料复合材料的制备方法 |
CN103052686A (zh) * | 2010-08-06 | 2013-04-17 | 汉高股份有限及两合公司 | 含有天然纤维的复合材料 |
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DE10063949A1 (de) * | 2000-12-20 | 2002-06-27 | Basf Ag | Verfahren zum Abbau von biologisch abbaubaren Polymeren |
CN102378786A (zh) * | 2009-03-30 | 2012-03-14 | 纳幕尔杜邦公司 | 环境友好的电子器件外壳 |
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