CN104262848B - 一种同质同心花型pvc地板及其生产方法 - Google Patents

一种同质同心花型pvc地板及其生产方法 Download PDF

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CN104262848B
CN104262848B CN201410481277.0A CN201410481277A CN104262848B CN 104262848 B CN104262848 B CN 104262848B CN 201410481277 A CN201410481277 A CN 201410481277A CN 104262848 B CN104262848 B CN 104262848B
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郝玉寿
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Anhui Jinyue Hengtong Transportation Equipment Co.,Ltd.
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
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    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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    • E04F15/02—Flooring or floor layers composed of a number of similar elements
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    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2427/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2427/06—Homopolymers or copolymers of vinyl chloride

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Abstract

本发明公开了一种同质同心花型PVC地板及其生产方法，所述同质同心花型PVC地板由以下重量份数比的原料组成：PVC树脂100份、阻燃剂80‑90份、稳定剂7‑9份、增塑剂60‑80份、润滑剂0.8‑1份、花型粒子0.5‑1份、颜料适量，所述的花型粒子由以下重量份数比的原料组成：合成橡胶180‑200份、PVC粒子320‑300份、促进剂8‑9份、硫化剂4.5‑5份、防老剂8‑10份、阻燃剂80‑100份。本发明制备的花型粒子可以与PVC树脂混合料相结合，但不会相容，因此生产出的地板产品由表面到背面均有花型粒子均匀分布，且花型粒子清晰、不脱落，因而产品更加美观。

Description

一种同质同心花型 PVC 地板及其生产方法
技术领域
本发明涉及一种PVC地板，具体是一种同质同心花型的PVC地板。
背景技术
PVC地板是当今世界上非常流行的一种新型轻体地面装饰材料，已经得到普遍的认可，使用非常广泛，比如家庭、医院、学校、办公楼、工厂、公共场所、超市、商业、体育场馆等各种场所。随着人们对PVC地板产品花色品种的要求更加多样化。使用不同颜色、不同形状的粒子，对PVC地板进行点缀，可丰富弹性地板表面的花色，满足不同人的使用的要求。
常用花型PVC地板多为复合型PVC地板，它一般是由耐磨层(含UV处理)、印花膜层等结构叠压而成，这种PVC地板在耐磨层损坏后即需要进行更换，因而使用寿命较短。而同质透心花型PVC地板其材质、花纹等从表面到背面均完全一致，使用寿命更长。
同质同心PVC地板指的是材质、花纹从表面到背面均完全一致的PVC地板。通常生产方法是将花型粒子与PVC树脂混合料混合后，经过造粒、挤出工序加工而成。但在采用上述方法进行同质同心花型PVC地板生产时，花型粒子往往容易与PVC树脂混合料相溶，因此生产出的花型PVC地板往往难以保持花型粒子的完好性，因而产品不够美观。
发明内容
本发明的目的就是为了克服现有技术的不足，提供一种改进的同质同心花型PVC地板。
一种民用同质同心花型PVC地板，其特征是由以下重量份数比的原料组成：PVC树脂100份、阻燃剂80-90份、稳定剂7-9份、增塑剂60-80份、润滑剂0.8-1份、花型粒子0.5-1份、颜料适量。
其中花型粒子由以下重量份数比的原料组成：合成橡胶180-200份、PVC粒子320-300份、促进剂8-9份、硫化剂4.5-5份、防老剂8-10份、阻燃剂80-100份，花型粒子为半硫化状态的橡塑粒子，该粒子可以与PVC树脂混合料相结合，但不会相溶，从而清晰、完好、均匀的分散于PVC地板当中，且花型粒子清晰、不脱落，因而产品更加美观；PVC树脂、阻燃剂、稳定剂、增塑剂、润滑剂、颜料、促进剂、硫化剂、防老剂均由市场采购而来。
本发明还提供了一种同质同心花型的PVC地板的生产方法，包括以下基本步骤：配料、搅拌、造粒、挤出，其特征在于其中所用的花型粒子的制备包括以下步骤：
1）按要求准确称量好合成橡胶、PVC粒子、促进剂、硫化机、防老剂、阻燃剂；
2）将合成橡胶与PVC粒子在110-115℃下塑炼，停放8h得到塑炼胶；
3）将塑炼胶、促进剂、硫化剂、防老剂、阻燃剂在60-80℃下混炼，停放10h以上，得到混炼胶。混炼胶经压延出片、压延片硫化、粉碎、过筛而制得花型粒子。
所述的花型粒子制备时压延片厚度30-40丝，硫化温度150-155℃，硫化时间5min。
所述的同质同心花型PVC地板制备时，机身温度控制：造粒100-130℃、挤出120℃-170℃，造粒、挤出温度不得超过规定最高温度，以便花型粒子完整均匀的分散于PVC地板当中。
本发明的优点在于：
1.本发明制备的花型粒子可以与PVC树脂混合料相结合，但不会相容，因此生产出的地板产品由表面到背面均有花型粒子均匀分布，且花型粒子清晰、不脱落，因而产品更加美观。
2.本发明生产出的地板拉伸强度高、防滑和回弹性能好，适用于家庭、医院、学校、娱乐场所等场所广泛使用。
具体实施方式
实例1
准确称取18kg合成橡胶、32kg PVC粒子、0.8kg促进剂、0.45kg硫化剂、10kg阻燃剂、0.8kg防老剂，经塑炼、混炼、压延、硫化、粉碎、过筛制得花型粒子。准确称取100kg PVC树脂、90kg阻燃剂、8kg稳定剂、80kg增塑剂、0.5kg花型粒子、1kg润滑剂、适量颜料，经组分经混合、搅拌、造粒、挤出后，即制得同质同心花型PVC地板。
实例2
准确称取20kg合成橡胶、30kg PVC粒子、0.9kg促进剂、0.5kg硫化剂、8kg阻燃剂、1kg防老剂，经塑炼、混炼、压延、硫化、粉碎、过筛制得花型粒子。准确称取100kg PVC树脂、80kg阻燃剂、7kg稳定剂、70kg增塑剂、0.8kg花型粒子、0.9kg润滑剂、适量颜料，经组分经混合、搅拌、造粒、挤出后，即制得同质同心花型PVC地板。
制得的同质同心花型PVC地板，其氧指数为35%，平均烟密度为200Dm，拉伸强度为9.6MPa，磨损率为180mm3，同时不含Pb、Cd、Hg等重金属，是一种合格的PVC地板。

Claims (2)

1.一种同质同心花型PVC 地板，其特征是由以下重量份数比的原料组成：PVC 树脂100份、阻燃剂80-90 份、稳定剂7-9 份、增塑剂60-80 份、润滑剂0.8-1 份、花型粒子0.5-1 份、颜料适量，所述的花型粒子由以下重量份数比的原料组成：合成橡胶180-200 份、PVC 粒子320-300 份、促进剂8-9 份、硫化剂4.5-5 份、防老剂8-10 份、阻燃剂80-100 份；
所用的花型粒子的制备包括以下步骤：
a. 根据上述花型粒子重量份数比例，准确称量好合成橡胶、PVC 粒子、促进剂、硫化机、防老剂、阻燃剂；
b. 将合成橡胶与PVC 粒子在110-115℃下塑炼，停放8h 得到塑炼胶；
c. 将塑炼胶、促进剂、硫化剂、防老剂、阻燃剂在60-80℃下混炼，停放10h 以上，得到混炼胶；混炼胶经压延出片、压延片硫化、粉碎、过筛而制得花型粒子。
2.根据权利要求1 所述的一种同质同心花型PVC 地板的制备方法，其特征在于：花型粒子造粒过程机身温度：100-130℃、挤出过程机身温度：120℃ -170℃，造粒、挤出温度不得超过规定最高温度，以便花型粒子完整均匀的分散于PVC 地板当中；花型粒子制备时压延片厚度30-40 丝，硫化温度150-155℃，硫化时间5min。
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