portant; overflow-wrap: break-word !important;”>塑木复合材料既具有木质纤维材料的高强度和高弹性，又具有塑料的高韧性和耐疲劳等优点，是一种既似木材又优于木材的新型代木材料。portant; overflow-wrap: break-word !important;”>所以水分最好控制在1%以内。
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portant; overflow-wrap: break-word !important;”>portant; overflow-wrap: break-word !important;”>工艺流程（以PVC塑木的加工为例）
portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>portant; overflow-wrap: break-word !important;”>portant; overflow-wrap: break-word !important; line-height: 21px; font-size: 14px; font-family: 宋体;”>加入高混机里portant; overflow-wrap: break-word !important;”>portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>portant; overflow-wrap: break-word !important;”> portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>→portant; overflow-wrap: break-word !important;”> portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>→portant; overflow-wrap: break-word !important;”>混到110~115℃portant; overflow-wrap: break-word !important;”>portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>portant; overflow-wrap: break-word !important;”> portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>→portant; overflow-wrap: break-word !important;”>加入PVC和稳定剂portant; overflow-wrap: break-word !important;”>portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>portant; overflow-wrap: break-word !important;”> portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>→portant; overflow-wrap: break-word !important;”> portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>→portant; overflow-wrap: break-word !important;”>到100℃时加入加工助剂，发泡剂portant; overflow-wrap: break-word !important;”>portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>120~125℃时卸粉portant; overflow-wrap: break-word !important;”>portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>portant; overflow-wrap: break-word !important;”> portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px;”>→ portant; overflow-wrap: break-word !important;”>粉在冷拌桶里冷却到40℃portant; overflow-wrap: break-word !important;”>portant; overflow-wrap: break-word !important; line-height: 21px; font-size: 14px; font-family: 宋体;”>造粒或加入双螺杆生产（冷拌桶务必有循环冷却水）。
portant; overflow-wrap: break-word !important;”>portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px; color: rgb(0, 0, 0);”>1、在混料时必须注意观察温度和时间，如一般冷锅混一手料在20-25分钟左右，热锅在12~15分钟左右（温度设定125℃左右），如果时间有相差3分钟或更长，可能是感温线有问题或温控不准，或混合机牛角刀磨损严重，会影响发泡倍率的稳定和产品颜色。
portant; overflow-wrap: break-word !important; color: rgb(0, 0, 0); font-family: 宋体; font-size: 14px;”>3、主机电流的大小和稳定性。如主机电流波动较大说明滑剂、加工助剂、纤维与PVC各组分之间分散不是很均匀。
portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px; color: rgb(0, 0, 0);”>5、单螺杆挤出机主要靠摩擦输送物料，混炼效果差，木粉在机筒中停留时间长，易烧焦。因此，在PVC/塑木复合材料挤出中受到较大的限制。为了提高PVC/塑木的混合效果，用于PVC/塑木加工的单螺杆应该设混炼区，或者先造粒，然后用粒料挤出成型，但这个过程消耗了助剂，降低了PVC性能。
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portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px; color: rgb(0, 0, 0);”>2、不同的产品、不同的使用用途、以及产品的不同大小厚度，在木粉及其它的无机物或纤维的添加量上都不一样，如塑木注塑工艺品因其是用来观赏的产品对力学指标要求不高且产品小所以填充可加到100%。
portant; overflow-wrap: break-word !important;”>portant; overflow-wrap: break-word !important; color: rgb(0, 0, 0);”>portant; overflow-wrap: break-word !important; line-height: 21px; font-size: 14px; font-family: 宋体;”>配方特性：
portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px; color: rgb(0, 0, 0);”>2、优异的流动性，大幅提升产能，树脂与木粉和无机物的比例是1:3左右，用于塑木注塑在填料的添加量和产品表面及力学性能等方面效果很好，不会析出表面；
portant; overflow-wrap: break-word !important; font-family: 宋体; line-height: 21px; font-size: 14px; color: rgb(0, 0, 0);”>4、提高生产的稳定性，降低扭矩及塑化温度。
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