Vinyl Acetate Copolymer Mattress

1、乙烯

乙烯-醋酸乙烯共聚物（EVA）是由乙烯和乙酸乙烯（VA含量5%-40%）共聚而成的通用高分子聚合物，燃烧时无刺激性气味，其性能随VA含量变化而改变：VA含量越高，透明度、柔软度和坚韧度越高。根据VA含量不同采用不同聚合工艺：VA含量低于30%采用高压本体聚合（塑料制品），高于30%采用乳液聚合（粘合剂），此外还有溶液聚合（PVC加工助剂）和悬浮聚合。通过调节VA比例，EVA可满足薄膜、鞋材、热熔胶、电缆护套等多种应用需求，是一种兼具优异柔韧性和加工性能的高分子材料。 (C2H4)x. (C4H6O2)y.

2、乙烯吡咯烷酮与醋酸乙烯酯共聚物 (Starpc) 重庆斯泰克瑞登

英文名称：Vinylpyrrolidone/vinyl acetate copolymer (PVP/VA) CAS No. ：25086-89-9 分子式：(C6H9NO)n(C4H6NO2)m 结构式：产品外观：固体为白色或类白色粉末；溶液为无色或微黄色澄清液体产品特性：本品对皮肤及眼无刺激；易溶于水及醇；易成膜，膜硬而富有光泽，吸湿性弱于PVP

3、25086

主要作为水溶性粘合剂和干性粘合剂应用于制粒合直接压片技术，作为成膜材料用于薄膜包衣中，作为孔道形成物应用于遮味剂中。应用于糖衣防止裂片，底层包衣用于防潮.

4、Flame

While ethylene vinyl acetate (EVA) is a widely used material, it suffers from the problem of relatively high inflammability which seriously hinders its usage as the product material with a high flame-retardant requirement.

5、Ethylene Vinyl Acetate Copolymers

, Vinyl acetate/ethylene/nma copolymer emulsion for nonwoven binder applications, US Patent 5 109 063, assigned to Air Products and Chemicals, Inc. (Allentown, PA), April 28,

Vinyl acetate copolymer_化工百科

Vinyl acetate copolymer - 简介醋酸乙烯酯共聚物是一种合成树脂，由醋酸乙烯酯和其他单体共聚而成。它具有以下性质：化学性质：它具有良好的溶解性，在溶剂中能形成透明的溶液。它可以与其他树脂和添加剂相容，使其具有可调节的特性。

聚维酮K90 水溶液

化妆品主要原料, 用于发胶、摩丝、香波等, 也用于表面活性剂、医药和其他工业。主要作为水溶性粘合剂和干性粘合剂, 应用于制粒合直接压片技术,作为成膜材料用于薄膜包衣中,作为孔道形成物应用于遮味剂中。应用于糖衣防止裂片, 底层包衣用于防潮。 PVP/VA 共聚物系列产品在化妆品领域主要用于成膜剂和定型剂, 尤其在喷发剂、发胶、摩丝和洗发系列产品。它们作为成膜剂和头发定型剂发挥着重要作用, 如果和PVP K30 配合使用,将会增强使用效果。化学稳定性:在正常温度和压力下, 可以稳定存在。请避免和以下物质一起储存或使用:不相容的物质, 如强氧化剂, 还原剂。避免热源和火花, 及阳光直射。有害降解物质:氮氧化物, 碳氧化物。有害聚合反应: 不会产生。

LOW DENSITY

Product Description ELEVATE® EM518 is a 18.5% vinyl acetate copolymer designed for injection molding, compounding, foam, and general extrusion applications.

Emulsion Polymerization of Vinyl Acetate

Poly ( vinyl acetate) latexes were the first synthetic polymer latexes to be made on a commercial scale: their production using polyvinyl alcohol as emulsifier began in Germany during the mid-1930s and has continued to the present day, growing steadily with the years.

POLYMER SPECIALTIES I BINDERS AND ADDITIVES

As shown in the diagram, WACKER offers different grades of PVAc resins: homopolymers, such as VINNAPAS® B and UW grades; carboxylated PVAc, VINNAPAS® C grades (copolymer of vinyl acetate and crotonic acid) and VINNAPAS® VL grades (copolymers of vinyl acetate and vinyl laurate).

In modern household living, the choice of a mattress is not only crucial to sleep quality but also directly impacts health and comfort. With advancements in technology and growing environmental awareness, a high-quality mattress material—vinyl acetate copolymer (EVM)—is gradually becoming a popular choice for households.

Vinyl acetate copolymer is a high-polymer material synthesized from vinyl acetate monomers. It exhibits excellent elasticity, tensile strength, and resilience, while also offering good breathability and moisture-wicking properties. EVM mattresses typically feature the following characteristics:

Superior Elasticity: EVM mattresses provide uniform and lasting support. Even during sleep movements like turning over or stretching, they maintain structural stability, reducing potential pressure on the body.
Comfortable Texture: The surface of EVM mattresses is soft and smooth, gentle to the skin, and suitable for people of all ages without causing irritation.
Excellent Breathability: The mesh structure of EVM mattresses promotes airflow, keeping the interior dry. This helps prevent bacterial and mold growth while enhancing sleep comfort by facilitating heat dissipation.
Eco-Friendly and Non-Toxic: Unlike traditional latex mattresses, EVM mattresses are free of harmful substances such as plasticizers and heavy metals, making them safer and healthier.
Cleanable: The material allows for water cleaning, simplifying daily maintenance and extending the mattress’s lifespan.
Cost-Effective: Compared to traditional latex mattresses, EVM mattresses are more affordable, durable, and cost-efficient over time.

Despite these advantages, consumers should exercise caution when selecting EVM mattresses. First, choose reputable brands and sellers to ensure product quality and after-sales service. Second, due to their breathability, EVM mattresses should not be exposed to sunlight for extended periods, as this may affect performance and longevity. For individuals with sensitive skin or special needs, it is advisable to test a small area before purchasing to confirm compatibility.

To maintain an EVM mattress and prolong its lifespan, consider the following tips:

Regularly rotate the mattress to avoid uneven pressure and ensure balanced wear.
Avoid placing excessively heavy objects on the mattress to prevent localized compression.
Use a protective cover to guard against stains and daily wear.
Ensure proper ventilation and occasional airing to remove moisture and odors.
Keep sharp objects away from the mattress to avoid surface damage.

vinyl acetate copolymer mattresses stand out for their exceptional elasticity, breathability, safety, and affordability, making them an ideal choice for modern households. With proper care and maintenance, they can deliver a healthier, more comfortable sleep experience and enhance overall quality of life.