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The actual use of the color masterbatch in the latest SMMMS non-woven fabric industry

  • Author:Junqian Nonwoven
  • Source:Original
  • Release on :2018-01-12
With the social progress and development, China's economy is constantly growing. Some emerging, simple and efficient materials continue to be used in various fields, and have been further look and expanded to make it more effective, convenient and fully used in social development.
 
China's chemical fiber products are growing rapidly. In recent years, both the chemical fiber industry and non-woven fabrics industry have made China the largest producer in the world. Output in the world total output accounted for 30% to 45%. And such a high yield is bound to use a lot of Masterbatch.
 
Selection of masterbatch pigments for use in SMMMS
 
At present, SMMMS non-woven fabrics are used to produce sanitary materials and a pack of materials. At least 95% of the domestic and foreign products are based on polypropylene (PP). Therefore, what kind of pigment used to make masterbatch is very important. SMMMS non-woven production spinning temperature between 220 ℃ ~ 250 degrees Celsius, so the pigment to be high temperature, the pigment temperature is higher than this temperature.
 
SMMMS masterbatch production and testing
 
From the pigment dispersion theory, the pigment processing masterbatch production, the first pigment to be wetting, surface coating and a series of complex procedures. And now with pre-dispersed pigments, do not need high-speed mixer for high-speed mixing, wetting, but also no dust and other flying material, just a simple mixer can be. If required by the ratio of 100 kg of pre-dispersed pigment plus 50 kg of pp material, poured into the mixer, stir, the direct feed to the twin-screw extrusion granulation. Spongy single-head masterbatch production with Shanghai Saike material S2040PP material, melting refers to the 38g / 10min or so, produced by the masterbatch melting means at 60,80 Omin.

Meltblown masterbatch production ExxonMobil PP3546G, PP6936 high melt refers to the special material, melting refers to between 1200 ~ 1500g / min, produced meltblown masterbatch melt refers to between 1500 ~ 1700g / min. Masterbatch used for spunbond and M meltblown melt finger big difference, customers must be careful not to mix. However, due to non-woven spunbond and M melt blown polyester filament denier is also a large difference, the general spunbond cloth at about 2 denier, and meltblown cloth at about 0.2 denier. The amount of masterbatch added is not the same. The general spunbond in 0.5 ~ 2.0%, while the melt blown monofilament fineness of 0.2 denier or less the addition of the masterbatch in 3 ~ 8%.
 
Environmental protection and testing
 
Due to the high environmental protection requirements of hygienic materials and medical insurance materials, any toxic or harmful substances in products should not be exceeded. Must meet ROHS and FDA requirements. We first require customers to provide safety and environmental protection report, and then produce good masterbatch, we send the masterbatch test, after passing to the customer.Detection method: We online sampling once every 3 hours to detect the melting point and pressure filter masterbatch values, testing of non-woven Hue and tinting strength, moisture content. In order to ensure the dispersion of masterbatch, we use the international standard BS EN13900 a 5 test.

Use smmms masterbatch precautions
 
Spunbond and meltblown Masterbatch Melt index due to the larger gap between the use of Do not mix and cause accidents. Spunbond and meltblown masterbatch pigment used must be the same species, the same brand to avoid color. As non-woven manufacturers require masterbatch cost is not the same masterbatch quality will vary, as mentioned above, the pigment heat resistance, light resistance, abrasion resistance, etc., are related to the cost of masterbatch. Hope non-woven fabric more high-grade masterbatch to reduce the loss and trouble, improve product quality.
  
in conclusion:
 
The development of chemical fiber non-woven faster and faster, more and more denier fibers, the requirements are getting higher and higher. How to grind pigments (dyes), to achieve the requirements of the dispersion is the key. In addition, environmental protection and low carbon have become an important factor for future development. The compound can achieve the goal of environmental protection and low-carbon to make these oyster industries and non-woven fabrics enterprises pursue. We hope that we can work together to solve the low-carbon issue of environmental protection and jointly create a blue sky and a pure land.

If you want more about SMMMS non-woven fabrics, please click nonwoven product supplier.