Shanghai Daoqin Plastics Co., Ltd.

in and food packaging field/area, gas is 一 陌生 concept. water gas in film or food packaging upper can can reduce as material output/production volume effect/influence product force. in in, will discussion gas is what and how to solution plastics product in gas issues.

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I. what is 雾凇以 and for plastics product surface effect/influence

雾凇 phenomenon is water in solid surface upper phenomenon. phenomenon can can 会导致 below/following effect/influence:

雾凇 phenomenon separation retardant light temperature 室, reduce light combined function efficiency, reduce as material output/production volume, increase 疾病感染 风险.

露凝 phenomenon make packaging internal product easy by 清晰看见, for internal product 观察造 formed difficult, reduce product property and force, effect/influence 消费者 购买欲望.

therefore, is increase light 线进入 temperature or 者方便 internal product 观察, 我们应该 toward plastics in add anti additives.

II. anti additives benefits

不 use and use anti additives for film effect/influence 差异

upper is for types plastics film product 进行 实验. types product has use anti additives, types product add EuroPlas EM AF 209 Model/Grade anti additives, content is 1-7%. can very easy 看出, has anti additives product surface upper water relatively less. lower, will in-depth discussion 雾凇 形 formed process and how to improvement this issues.

III. process overview and methods

1. process

露 is what? it is gas in according to wet degree and temperature degree 而凝结 water 滴. phenomenon in 露滴附 in material surface 时候.

露滴 in material surface 形态估计如 lower:

• hydrophilic water property material surface: θ ≥ 90°

• hydrophobic water property material surface: 0° < θ < 90°

• 完 full lubricating wet material surface: θ = 0°（θ is 接触角, material surface and water between degree ）

2. improvement phenomenon methods

improvement 因雾凇导致 film 变 模糊 issues methods is will film surface hydrophilic water property is hydrophobic water property achieve full lubricating wet. is achieve this target/goal, use anti additives. use additives is types surface active property agent, its hydrophilic water, 另一端 hydrophobic water. commonly used combined material 包括甘油 mono hard acid ester （GMS）, mono acid ester （GMO）, and various poly ester （PGE）.

in use anti masterbatch 时, need attention/notes below/following 几点:

• 适应 use conditions

• 适 amount use （ ensure speed degree ）

• long time active property

• can and other additives （如 UV resistant additives, resistant block agent, slip agent ） versus 兼容

• 不 effect/influence product force property can and color.

IV. EuroPlas anti masterbatch

拥 has ultra- 15 year plastics Raw Materials production experience, EuroPlas自豪 provide high quality product, meet/satisfy full 球客户 demand. anti additives product currently non 常受欢迎, is it tool has below/following features:

• anti plastics surface water 汽凝结, ensure film transparent degree

• 适应 different use conditions

• 适 amount use （ ensure speed degree ）

• long time active property

• can and other additives （如 UV resistant additives, anti block agent, slip agent ） versus 兼容

• 不 effect/influence product force property can and color.