polyvinyl alcohol fiber for cement pva fiber CAS No: 9002-89-5 Molecular formula:(C2H4O)n Molecular weight:44.05 Cut length: 3-50mm PVA-Fiber is mainly used in sheet and section material, and could prevent the microcrack caused by plastic shrinkage of the concrete. This environmental product ...
一、基本信息 中文名：聚乙烯醇英文名：Polyvinyl Alcohol，简称PVA化学式：[C2H4O]n分子量：根据聚合度的不同而变化，一般在5000-200000之间外观：白色片状、絮状或粉末状固体，无味物理状态：固体水溶性：溶于水，为了完全溶解一般需加热到65~75℃不溶性：不溶于汽油、煤油、植物油、苯、甲苯、二氯乙烷、四氯化碳...
The invention discloses a production method of concrete reinforced and toughened PVA (polyvinyl alcohol) fiber. The production method comprises the following steps of: (1) dissolving PVA; (2) carrying out primary filtering; (3) defoaming; (4) carrying out secondary filtering; (5) spinning; (...
聚乙烯醇（polyvinyl alcohol，简称PVA）纳米纤维膜是一种令人瞩目的材料，凭借其独特的性质和广泛的应用领域，逐渐在科研和工业界引起了广泛关注。PVA纳米纤维膜拥有出色的物理和化学性质，如高机械强度、良好的热稳定性、透明性和生物相容性等。这些特性使得PVA纳米纤维膜在众多领域具有潜在的应用价值。在生物医学领域，...
#圣和化工厂家#聚乙烯醇（Polyvinyl Alcohol，简称PVA）是一种重要的高分子材料，以下是对其的详细介绍：一、基本信息 中文名：聚乙烯醇英文名：Polyvinyl Alcohol，vinylalcohol polymer化学式：[C2H4O]n分子量：根据聚合度的不同而变化，一般在5000~200000之间CAS登录号：9002-89-5 二、物理性质 外观：白色片状、...
SAPEN monofilament PVA fiber is made of Polyvinyl alcohol.It'sfor use in fiber reinforced concrete, stucco and precast. PVA fiber is specifically designed for use in concrete products the surface is specially modified for the purpose of controlling plas...
#圣和化工厂家#聚乙烯醇（Polyvinyl Alcohol，简称PVA）是一种重要的高分子材料，具有多种型号和规格，包括PVA2699、PVA1788、PVA1799、PVA2099、PVA2488和PVA2088等。以下是对这些型号的详细介绍：一、PVA2699 PVA2699是聚乙烯醇的一种型号，通常具有较高的粘度和耐水性。它广泛应用于各种领域，如建筑胶水、涂料腻子...
SAPEN monofilament PVA fiber is made of Polyvinyl alcohol. It's for use in fiber reinforced concrete, stucco and precast. PVA fiber is specifically designed for use in concrete products the surface is specially modified for the purpose of controlling plastic shrinkage, thermal cracking and...
聚乙烯醇17－99，又称浆纱树脂（Sizing resin），简称PVA17－99。白色或微黄色粉末或絮状物固体。玻璃化温度85℃，皂化值3～12mg KOH/g。溶于90～95℃的热水，几乎不溶于冷水。浓度大于l0%的水溶液，在室温下就会凝胶成冻，高温下会变稀恢复流动性。为使粘度稳定，可于溶液中加入适量的硫氰酸钠，硫氰酸钙...