炭黑填充硬质聚氯乙烯塑料

研究了炭黑填充硬质聚氯乙烯塑料的导电性能、阻燃性能及力学性能,结果表明塑料的电导率、阻燃性和拉伸强度随炭黑添加量增加而明显提高,而冲击强度随之下降。当炭黑含量为8份时,表面电阻率为10~3kΩ,氧指数达33。该类塑料是优异的防静电、阻燃材料。     

高填充聚氯乙烯配方中木质素的增塑效应

本研究评价了聚氯乙烯地板配方木质素（L）部分替代氯乙烯／醋酸乙烯（VC—VAc）共聚物的影响。木质素是纸浆造纸工业木材脱木质素大量得到的一种天然聚合物。这里用的是organsolv木质素,Alcell木质素（AL）。同时研究了化学成分和DOP不同的增塑剂,     

低烟阻燃聚氯乙烯型材的研制

通过研究抑烟荆对PVC烟密度的影响、阻燃抑烟剂的复配以及对材料物理机械性能的影响，研制出符合国标要求的低烟阻燃PVC型材。     

建筑用高抗冲低烟阻燃UPVC专用料的研制

采用CPVC、CPE与PVC共混抗冲改性,并通过添加Al(OH)3、Sb2O3、DBDPO三种复配阻燃剂,制得了建筑用高抗冲、低烟、阻燃UPVC专用料,并探讨了CPVC、CPE对PVC的共混抗冲击、耐热性能以及复配阻燃剂对体系的阻燃、消烟性能和力学性能的影响。     

粉煤灰填充聚氯乙烯硬板的研制

本文分析了杭州热电厂排放的粉煤灰的物理特性和粒度分布,研究了用粉煤灰和重质碳酸钙填充回收聚氯乙烯料制备硬板的加工性能和力学性能,探讨了填充量、粒径、偶联剂等因素对性能的影响。发现减小粒度和采用偶联处理有助于改善粉煤灰与聚氯乙烯的混炼性能,可提高拉伸强度,增加填充量。经偶联处理的粉煤灰的最大填充量达150Phr以上,碳酸钙则在250Phr以上。 本文对废旧塑料的再生和粉煤灰的综合利用有现实意义。     

无增塑阻燃硬质PVC可弯管的研制

本文主要叙述了无增塑阻燃硬质ＰＶＣ可弯穿线管的特点，配方设计，生产工艺及在施工中的应用方法．     

软质聚氯乙烯鞋用粒料的制备方法

本文较详尽地介绍了利用ELVALOY741树脂作为改性剂,制备软质聚氯乙烯鞋用粒料的工艺过程。     

增塑高聚合度聚氯乙烯的结构与性能

研究了高聚合度聚氯乙烯（HPVC）热塑性弹性体的结构与性能。研究表明，热处理对HPVC热力学和物理性能有重要影响，结果显示了PVC内微晶存在与二次结晶的关系。     

医用PVC粒料的研制

一、概述随着人们生活和医疗水平的日益提高,一次性医疗用品迅猛发展。由于PVC价格低、性能好,人们已选用PVC作为一次性医疗用品的常用材料之一。1987年以前,我国使用的医用     

软质聚氯乙烯用阻燃剂

主要综述了软质聚氯乙烯常用的阻燃剂体系，重点介绍了阻燃增塑剂、金属化合物阻燃剂、无机物单质阻燃剂、无机填料阻燃剂、含卤聚合物阻燃剂以及有机化合物阻燃剂在软质聚氯乙烯中的使用情况。     

高抗冲PVC树脂的研制

将ACR乳液应用于VC悬浮聚合中合成了具有核一壳结构的新型PVC树脂,从而改善了PVC树脂的冲击性能及流动性能,探讨了该树脂的结构,并将其与共混改性PVC树脂进行了比较,结果表明：高抗冲PVC树脂中的ACR能与PVC分子形成纳米级混合,从而提高了树脂的韧性,改进了加工性能。     

水滑石填充无卤阻燃三元乙丙橡胶

本实验研究了新型无卤阻燃剂水滑石以及复配阻燃剂微胶囊红磷填充在无卤阻燃三元乙丙橡胶中,对橡胶阻燃性能及力学性能的影响;并研究了运用不同硅烷偶联剂对水滑石进行表面处理对橡胶性能的影响。结果表明,水滑石的填充能有效提高橡胶阻燃性能,且微胶囊红磷对水滑石有很好的协助阻燃效应。经γ-（甲基丙烯酰氧）丙基三甲氧基硅烷表面处理,橡胶阻燃性及力学性能均有一定提高。     

阻燃ABS/PVC合金材料

介绍一种制造阻燃ＡＢＳ／ＰＶＣ合金材料的新技术,它的要点是合成一种新的ＡＢＣ树脂,与ＰＶＣ树脂复合,从而制得难燃的、加工性能好、物理机械性能优良和制品外观好的合金材料。     

Flame‐retardant and smoke‐suppressant properties of zinc borate and aluminum trihydrate‐filled rigid PVC

The effects of zinc borate (ZB), aluminum trihydrate (ATH), and their mixture on the flame‐retardant and smoke‐suppressant properties of poly(vinyl chloride) (PVC) as well as their mechanism for flame retardancy and smoke suppression were studied through the limiting oxygen index (LOI) test, smoke density test, TGA, GC–MS, and SEM. The results show that incorporation of a small amount of ZB, ATH, and their mixture can greatly increase the LOI of PVC and reduce the smoke density of PVC during combustion. The mixture of ZB with ATH has a good synergistic effect on the flame retardance and smoke suppression of PVC. TGA and GC–MS analyses results show that incorporation of a small amount of ZB, ATH, and their mixture greatly promotes the char formation of PVC and decreases the amount of hazardous gases such as benzene and toluene released in PVC during combustion. Their mechanism is also proposed. © 2000 John Wiley & Sons, Inc. J Appl Polym Sci 77: 3119–3127, 2000     

ZnS as fire retardant in plasticised PVC

The flame retardant effect of zinc sulphide (ZnS) in plasticised poly(vinyl chloride) (PVC‐P) materials was investigated. PVC‐P containing different combinations of additives such as 5% ZnS, 5% of antimony oxide (Sb₂O₃) and 5% of mixtures based on Sb₂O₃ and ZnS were compared. The thermal degradation and the combustion behaviour were studied using thermogravimetry (TG), coupled with FTIR (TG–FTIR) or with mass spectroscopy (TG–MS), and a cone calorimeter, respectively. A detailed and unambiguous understanding of the decomposition and release of the pyrolysis products was obtained using both TG–MS and TG–FTIR. The influence of ZnS, Sb₂O₃ and the corresponding mixtures on the thermal decomposition of PVC‐P was demonstrated. Synergism was observed for the combination of the two additives. The combustion behaviour (time to ignition, heat release, smoke production, mass loss, CO production) was monitored versus external heat fluxes between 30 and 75 kW m^?2 with the cone calorimeter. Adding 5% of ZnS has no significant influence on the fire behaviour of PVC‐P materials beyond a dilution effect, whereas Sb₂O₃ works as an effective fire retardant. Synergism of ZnS and Sb₂O₃ allows the possibility of replacing half of Sb₂O₃ by ZnS to reach equivalent fire retardancy. © 2002 Society of Chemical Industry     

Mechanical properties of flame retardant filled polypropylene composites

The flammability performance and mechanical behaviors for halogen‐based and non‐halogen‐based flame retardant (FR) filled polypropylene (PP) composites were investigated in this study. The halogen‐based FR system consisted of a mixture of brominated phosphate ester and antimony trioxide (BR), and the halogen‐free FR was a magnesium hydroxide (MH). It was found from limiting oxygen index measurements that 60 wt % of MH was needed in order to achieve the same degree of flammability as the composite containing only 30 wt % of BR. Scanning electron microscopy examinations of the fractured specimens indicated that the interfacial bond strength between PP and MH was stronger than that for PP and BR. The notched Charpy impact strength and the impact fracture toughness were measured and compared. The discrepancies between the two impact test results could be correlated after kinetic energy correction was applied to the Charpy impact strengths. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 80: 2718–2728, 2001     

The dynamic flammability and toxicity of magnesium hydroxide filled intumescent fire retardant polypropylene

The flammability properties of an intumescent fire retardant polypropylene added with magnesium hydroxide was discussed in this study. To evaluate the flammability of the material, limit oxygen index, smoke emission, tensile strength, and our exploitation dynamic flammability evaluation system, tests were assessed in experiments. The results showed that the intumescent flame retardant ammonium polyphosphate-filled polypropylene has superior flammability properties but higher carbon oxide (CO) concentration and smoke density. By adding some magnesium hydroxide additives in intumescent fire retarded polypropylene, the smoke density and CO concentration decrease; and the compound also has superior fire properties. It is concluded that intumescent system and magnesium hydroxide additives are effective on improving combustion properties for polypropylene. © 1998 John Wiley & Sons, Inc. J Appl Polym Sci 67:989–995, 1998     

无机复合阻燃消烟剂在PVC材料中的应用

分析了高分子材料阻燃消烟的必要性，报道了研制的SY928系列无机复合阻燃消烟剂在PVC电工套管和电缆料中的应用效果。