Environmental Protection Sizing Will Usher In A Rapid Development Period.

Recently, the national development and Reform Commission and the relevant departments have revised the guidance catalogue of industrial structure adjustment (2011 Edition) (Amendment), and formed relevant "draft for consultation". At the same time, 923 constructive suggestions were collected, which has a positive reference for further improving the guidance catalogue of industrial structure adjustment (2019 Edition).

The related contents of textile sizing are involved in the encouragement category and restriction category of the guide catalogue as follows:

1 textile industry - encouragement category

1, differential, functional polyester (PET) continuous copolymerization modification [cationic dyeable polyester (CDP, ECDP), alkali soluble polyester (COPET), high shrinkage polyester (HSPET), flame retardant polyester, low melting point polyester, non crystalline polyester, biodegradable polyester, polyester produced by green catalyst].

Flame retardant, antistatic, UV resistant, antibacterial, phase change energy storage, photochromic, raw liquor coloring, and high efficiency flexible manufacturing technology of functional chemical fibers.

Intelligent, super simulation and other functional chemical fiber production.

Original development of green, high efficiency and environmentally friendly oil for high speed spinning process

2. Development, production and application of Polyterephthalate (PTT), poly naphthalene two formic acid glycol ester (PEN), poly (butylene terephthalate) (PBT), poly (butylene succinate) Ding Erzhi (PBS), poly (terephthalic acid cyclohexane two methanol ester) (PCT), bio based polyamide, bio furan ring and other new types of polyester and fiber.

3, adopt green, environmental protection technology and equipment to produce new solvent method, such as cellulose fiber (Lyocell), bacterial cellulose fiber, regenerated cellulose fiber, PLA, seaweed fiber, chitosan fiber, polyhydroxyester fatty acid ester fiber (PHA), animal and vegetable protein fiber, such as bamboo, hemp and other new renewable resources.

4. Development, production and application of high performance fibers and products.

[carbon fiber (CF) (tensile strength greater than 4200MPa, elastic modulus greater than 230GPa), aramid fiber (AF), polysulfone (PSA), ultra high molecular weight polyethylene fiber (UHMWPE) (spinning unit capacity of more than 300 tons / year), polyphenylene sulfide fiber (PPS), polyimide fiber (PI), polytetrafluoroethylene fiber (PTFE), POLYBIS (Oxazoles) fiber (PBO), polyaroxazole two azole fiber (POD), basalt fiber (BF), silicon carbide fiber, polyethers ketone fiber, high strength glass fiber, etc.

5, meet the environmental requirements of special animal fiber, hemp fiber, mulberry tussah cocoon silk, colored cotton, colored mulberry silk natural fiber processing technology and products.

6, the establishment of an intelligent spinning plant, using intelligent, continuous spinning equipment (blowing carding, coarse and fine, parallel and CNC single machine and jet vortex spinning, high-speed spinning rotor and other short process advanced spinning equipment), the production of high quality yarn.

High speed CNC shuttleless loom, automatic wear machine, fully formed computerized flat knitting machine, high-speed computerized flat knitting machine, high-speed warp knitting machine and other new CNC equipment are used to produce high grade, high density, jacquard and other high-grade woven and knitted fabrics.

7, digital intelligent printing and dyeing technology and equipment, dyeing and finishing clean production technology [enzyme treatment, high efficiency short flow pretreatment, knitted fabric continuous pre-treatment, low temperature pretreatment and dyeing, low salt or salt free dyeing, low urea printing, small bath ratio air or gas liquid dyeing, ink jet printing, foam finishing, etc.), functional finishing technology, new dyeing processing technology, composite fabric processing technology, production of high-grade textile fabrics.

Development and application of intelligent cheese dyeing technology equipment

8, the production of functional industrial textiles with new technologies, such as nonwoven, woven, knitted, braided, and other processes, such as composite and long-term finishing.

9, intelligent, high efficiency, low energy consumption textile machinery, development and manufacture of key special foundation parts, metrology, testing instruments and test equipment.

10. Production of high-grade carpet, drawnwork and embroidery products.

11, digitization, networking, intelligent clothing production technology and equipment development and Application

12, textile industry biological degumming, no polyvinyl alcohol (PVA) size sizing, less water and energy saving printing and dyeing processing, "three wastes" efficient management and resource recovery and reuse technology popularization and application.

13. The development and application of waste textiles recycling technology and equipment, the use of polyester recycling materials to produce polyester industrial yarn, differential and functional polyester filament, non-woven materials and other high value-added products.

2 textile industry - restricted category

1, continuous production equipment of conventional polyester (PET) with single line capacity less than 200 thousand tons / year.

2. Production process of terephthalic acid two methyl ester (DMT) by conventional polyester.

3, semi continuous spinning viscose filament production line

4. Intermittent polyurethane polymerization plant.

5. Semi-automatic winding equipment for conventional chemical filament yarns with a length of 1200 mm or less.

6. Viscose plate and frame filter

7, single line production capacity of less than 1000 tons / year, width less than 2 meters of conventional polypropylene spunbonded nonwovens production line

8, 25 kg / h carding machine

9, 200 cotton / comber below clamp times / min.

10, 50 thousand / min below self draining air spinning equipment

11, FA502, FA503 spinning frame

12. The rapier loom with a weft insertion rate of less than 600 m / min, an air-jet loom with a weft insertion rate of less than 700 m / min, and a loom with a weft insertion rate of less than 900 m / min.

13. Adopt polyvinyl alcohol slurry (PVA) sizing process and products (except polyester cotton products, high pure and high density cotton products).

14. The wool scouring process and equipment for more than 20 tons of raw wool washing water.

15, vertical silk reeling process and equipment of double Palace silk and tussah silk

16, hank dyeing process

17. Sodium chlorite bleaching equipment

18. Dyeing of ordinary polyester carrier

3 textile industry - phasing out

1, cotton spinning, wool spinning, linen spinning and weaving equipment for 30 years.

2, the roller roller 1000 mm below the roller, the sawtooth cotton gin with the number of saw blades below 80, and the cotton baling press with a tonnage of less than 400 tons (excluding 160 ton, 200 ton short cotton baler).

3, ZD647, ZD721 automatic reeling machine, D101A automatic reeling machine, ZD681 vertical reeling machine, DJ561 type spun silk spinning machine, K251, K251A type silk loom and other silk processing equipment.

4, Z114 jacquard machine

5, GE186 type jacquard knitting machine

6, Z261 artificial fur machine

7, unreconstructed 74 type dyeing and finishing equipment

8. Steam heating without open closed printing and dyeing tank.

9, R531 acidic viscose spinning machine

10, 40 thousand tons / year and below viscose staple fiber production line

11. Wet spandex production process

12, two methyl Methamide (DMF) solvent method spandex and acrylic fiber production process

13, the production process and equipment of acrylic fiber conventional fiber by nitric acid method

14, conventional polyester (PET) batch polymerization process and equipment.

15. Semi automatic winding equipment for conventional polyester filament spindles with a length of 900 mm or less.

16, import and dyeing pretreatment equipment, drawing and setting equipment, rotary screen printing machine and continuous dyeing machine with a lifetime of over 15 years and over 20 years.

17, cotton and chemical fiber intermittent dyeing equipment with a bath ratio of more than 1:10 and over 15 years.

18. Printing and dyeing production line driven by DC motor.

19, printing and dyeing of cast iron structure of the steam box and washing equipment, cast iron wall board bottomless steaming machine, steam preheating area short L type desizing and boiling track steam box.

20, screw extruder diameter less than or equal to 90mm, 2000 tons / less polyester regenerated spun short fiber production plant