Bayer-水性PU 鞋面材料

washing process 水性加工

drying 干燥

coagulate 冷凝
High water & energy use
水和能源的高消耗
DMF process step 1: Coagulation
湿法凝固加工工艺 1 （ 含 DMF ）
PU paste
textile substrate
Bayer 150 Years of Science For A Better Life
Bayer: Science For A Better Life
拜耳：科技创造美好生活
Inventor company applying science to major global challenges
应用科技应对全球挑战
Page 12 BMS 11th Polyurethane Industry Summit 2014
Footwear key consumer of PU leather
制鞋是PU合成革的主要应用
中国PU合成革的主要应用市场
制鞋 服装 家具 箱包 装饰
PU Leather Consumption in China by Segment /millions m
PU synthetic leather: key upper material
PU合成革是主要的鞋面材
鞋面材
Footwear Upper Material, global
Others 其它 Synthetic leather 合成革 Genuine leather 真皮
41%
Textile 纺织品 Source: Bayer
High water consumption
需消耗大量的水
Large volume of water contaminated with DMF
水中仍残留 DMF
Baths heated to 60 degrees C
水洗槽需加热到 60 摄氏度
High drying effort
还需烘干
湿法凝固加工工艺 1 （ 含 DMF ）
PU paste
textile substrate DMF DMF
DMF
DMF
T~160 °C
coagulate
T=60 °C
water in DMF mixture

coagulation 冷凝法
Page 19 BMS 11th Polyurethane Industry Summit 2014
DMF: Toxic and high exposure rate
DMF 有毒易接触
Absorbed through lungs & skin
被肺部和皮肤吸收
Toxic to reproduction
产生毒性
Toxic to the liver
腐蚀肝脏
REACH authorization priority
４５亿升 DMF
3 billion sqm.
DMF process PU synthetic leather
9 billion litres contaminated water
９０亿升水
300,000 tonnes VOC
３０万吨 VOC 排放
1.2 million MW energy
Page 5 BMS 11th Polyurethane Industry Summit 2014
MaterialScience products enable life…
拜耳材料科技的产品广泛应用于我们的日常生活中
Page 6 BMS 11th Polyurethane Industry Summit 2014
拜耳提供的水性PU合成革
PU with no DMF – in fact, no solvents at all
不含 DMF的PU合成革，实际上没有任何溶剂
用于合成革的特殊水性 PU
Special waterborne polyurethanes for synthetic leather
stabilised PU droplet water PU droplet (ø~100 nm)
Footwear Industry Sustainability
鞋业可持续发展
Material a key to product sustainability
材料是产品可持续发展的关键
Product Life Path
产品的生命流程
Materials 材料
Packaging 包装
Shipping 装运
Page 4 BMS 11th Polyurethane Industry Summit 2014
The inventor of polyurethane
聚氨酯的发明者
Dr. Otto Bayer invents polyurethane in 1937 Otto Bayer 博士于 1937年发明了聚氨酯
Synthetic leather coating
合成革涂层
DMF 溶剂分子残留在PU 结构中
DMF entrapped in the polymer matrix
DMF 残留
Page 24 BMS 11th Polyurethane Industry Summit 2014
Waterborne PU Synthetic Leather enabled by Bayer
REACH 考虑禁用
High exposure level in factories
工厂车间里极易接触
Page 18 BMS 11th Polyurethane Industry Summit 2014
DMF emitted
DMF 释放
DMF process step 1: Coagulation
Sale 销售
Use 使用
End of Life 回收
Page 9 BMS 11th Polyurethane Industry Summit 2014
Impacts of material manufacture
材料制造的影响
Key Impacts
主要影响
Water Use 消耗水
Energy Use 消耗能源
材料在绿色产品中的作用
PU synthetic leather
PU 合成革
Waterborne PU synthetic leather
水性PU 合成革
Bayer and Waterborne PU leather
拜耳和水性PU 合成革
Page 2 BMS 11th Polyurethane Industry Summit 2014
DMF recovery by distillation
DMF 回收需蒸馏
Page 22 BMS 11th Polyurethane Industry Summit 2014
Statistics* around the DMF process
DMF 工艺的一些统计数据
4.5 billion litres DMF
What is PU synthetic leather?
什么是 PU 合成革？
finish 图饰 skincoat 面层 tiecoat 粘接层 porous body layer coat 微细毛孔层 textile substrate 织物
PU leather: a coating of polyurethane resin on textile backing
湿法凝固是目前生产 PU 合成革的主要方法
Process used to mimic genuine leather
生产仿制真皮的效果
Requires DMF
需要使用 DMF
DMF is toxic
DMF 是有毒化学物质
Page 17 BMS 11th Polyurethane Industry Summit 2014
PU 合成革是聚氨酯在织物上的涂层
Page 15 BMS 11th Polyurethane Industry Summit 2014
The DMF Coagulation Process
DMF 湿法工艺
The DMF coagulation process
湿法凝固流程
Coagulation, “wet” or DMF process the standard for PU leather
High energy use
水源消耗
DMF process step 2: Transfer Coating
湿法凝固加工工艺 2（ 含 DMF ）
coagulate
solvent (DMF) solvent (DMF) synthetic Leather
release paper
release paper drying drying
Bayer polyurethane dispersions (PUD) contain no solvent
拜耳水性聚氨酯乳液不含任何溶剂
Page 26 BMS 11th Polyurethane Industry Summit 2014
PU leather without DMF process!
Footwear Garment Furniture
Bag Decoration Auto
汽车内饰
0 200 400 600 800 1000 1200
Page 13 BMS 11th Polyurethane Industry Summit 2014
PU synthetic leather: highly versatile
PU合成革：高度多样性
High mechanical durability
高度机械耐磨性
Rainproof, washable
防水可水洗
Colorfast
不退色
Lightweight
轻量级
Page 14 BMS 11th Polyurethane Industry Summit 2014
１２０万瓦电
750,000 t CO2
* Bayer calculations
７５万吨二氧化碳排放
Page 23 BMS 11th Polyurethane Industry Summit 2014
DMF residues remain in coating
DMF 仍残留在涂层中
DMF solvent molecules entrapped in PU structure
Chemicals 使用化学品
Chemistry plays increasing role in overall product impact
化学品对产品的影响不断增强
Page 10 BMS 11th Polyurethane Industry Summit 2014
PU Synthetic Synthetic Leather Leather PU PU 合成革 合成革 PU
…and footwear too
包括鞋子
Now 目前 Future 将来
Sole material 核心材料
Ingredients for waterborne adhesives 水性粘合剂成分
Waterborne PU leather for shoe upper 鞋面上的水性PU革
Page 7 BMS 11th Polyurethane Industry Summit 2014
Waterborne PU for Shoe Upper
A Powerful Lever for Sustainability
水性PU鞋面材料
可持续发展的有效途径
Simon Zhang Textile – CAS - BMSC
Agenda
目录
Material role in product sustainability
T~160 °C
coagulate
T=60 °C
water in DMF mixture
Energy

coagulation 冷凝法
Page 20 BMS 11th Polyurethane Industry Summit 2014

washing process 水性加工
drying 干燥 Nhomakorabea
coagulate 冷凝

skincoat 面层
Page 21 BMS 11th Polyurethane Industry Summit 2014

tiecoat 粘结层

lamination 转移

separation 分离
High resource impact of DMF process
DMF 工艺需消耗大量资源