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Textile PUR application field

Typical materials and combinations of PUR fabric composites

The usual bonding materials
 
Film
  • are according to type: TPU film, PU film, PE film, PET film, PTFE film, PP film
  • according to vapor permeability: (high-permeable film, medium-permeable film, low-permeable film)
 
Cloth
  • according to type: polyester, nylon, cotton, wool, nonwoven fabrics
  • according to waterproof grade: 3-level waterproof, 4-level waterproof, and 5-level waterproof are also super-splashed
 
sponge
  • upright cotton; the bonding cloth of ordinary
 
Fitting combination
  • cotton and films
  • and the bonding cloth of cloth and the bonding
  • cloth of cotton and the sponge

Processing process of fabric composite

Process flow
 
  • Analysis of surface cloth (composition, water splashing degree, etc.)
  • Select processing method (point stickers, re-stick stickers)
  • Select glue model to formulate process flow (splash water before, water after)
 
Pre-splash process
 
Pretreatment> Splashing on the shape> Calendering> Fitting> Maturing> Cutting> Edges> Finished Product Inspection
 
Post-splashing process

pre-process> Calendering> Fitting> Crafting> Finished product inspection> Finished water splashing> Cutting edges> Finished product inspection
 

Process parameter design and recording

Lay the substrate TPU film + sponge Fabric + sponge Fabric + fabric
Glue name 9124 9124 9124
Ambient temperature ℃ 28.4
Ambient humidity RH% 65%
Glue coating roller temperature setting ℃ 100 100 100
Actual measuring glue temperature ℃ 95 95 95
Gluing gap mm 0 0.05 0.05
Fitting wheel clearance mm 0.7 0.7 0.2
Scraper clearance mm 0 0 0
Scraper method Scrape up Scrape up Scrape up
Linear speed m/min 3 3 3
How to collect the roll Center collection

Strength test

TPU membrane + sponge
Gluing amount of bonding material Mechanal strength N/5cm Latitude strength N/5cm
8g/m2 5.99N lost money 5.49
10g/m2 Broken material Broken material
12g/m2 Broken material Broken material
Fabric + fabric
Gluing amount of bonding material Mechanal strength N/5cm Latitude strength N/5cm
10g/m2 8.93 17.95
15g/m2 11.08 26.79
Fabric + sponge
Gluing amount of bonding material Mechanal strength N/5cm Latitude strength N/5cm
10g/m2 4.19 4.39
15g/m2 Broken material Broken material

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