CN1219115C

CN1219115C - Color-fixing polypropylene fiber dyed-yarn preparing method

Info

Publication number: CN1219115C
Application number: CN 200310111827
Authority: CN
Inventors: 赵耀明; 严玉蓉
Original assignee: South China University of Technology SCUT
Current assignee: South China University of Technology SCUT
Priority date: 2003-10-20
Filing date: 2003-10-20
Publication date: 2005-09-14
Anticipated expiration: 2023-10-20
Also published as: CN1528960A

Abstract

The present invention relates to a preparation method of a color-fixing polypropylene fiber color yarn, which comprises: in a spinning forming process, a polar group is led in a main chain of polypropylene, so that a coloring component in a color master granule and the polar group in the main chain of the polypropylene react in the original position to form chemical constitution between the coloring component and the polar group. Finished products of the preparing raw material of the present invention all sold in an industrial grade, so the raw materials are easy to obtain. The prepared color-fixing polypropylene fiber color yarn has favorable water washing color fastness, and can be directly used for industrialization production. The method of the present invention can be carried out on the existing polypropylene fiber making equipment, and no new processing equipment need to be added.

Description

The preparation method of color fixing polypropylene color silk

Technical field

The present invention relates to the colouring method of polypropylene fibre, specifically the preparation method of color fixing polypropylene color silk.

Background technology

Polypropylene fibre is not owing to there is the polar group that can combine with dye molecule in the molecular structure, as-OH ,-NH ₂,-CONH-,-COORo etc., therefore there is not the dyeing seat seat that dyestuff can be affine, dyestuff is difficult to and the big intermolecular formation chemical bonding of polypropylene.Simultaneously because the degree of crystallinity height of polypropylene fibre, compact structure, hydrophobicity is strong, thereby dye molecule can only spread and penetrate into unformed part or surface, crystalline region.The dyeing of polypropylene fibre at present is broadly divided into three kinds of methods: the one, with the polypropylene fibre modification, as adopting modes such as graft copolymerization, blend, active group is incorporated into make in the macromolecular structure that the product fiber has that dyestuff can be affine dye seat and realize dyeing; The 2nd, adopt the parent colouring, be about to pigment and before melt spinning, add; The 3rd, dyeing ligand metal-organic complex is joined in the resin, dye with the special dispersed mordant dye that contains the complexing group again.

The parent colouring promptly adopts resin (parent) and the common spinning mixed with resin that contains high concentration pigment, carries out melt spinning then, produces colored fibre.Because colouring agent is dispersed in the polymeric matrix before spinning, so its lovely luster, uniform hue, simple and easy to do, simultaneously can avoid dyeing is subjected to fibre structure and uneven influence of mechanical property and causes the shortcoming of dyeing uniformity difference and dyeing waste-water contaminated environment.

Though the painted painted possibility that becomes of polypropylene fibre that makes of parent, but because the nonpolar feature of the molecular chain structure of polypropylene own does not change, therefore coloring components only disperses to stay admittedly in fibrous matrix under the effect of physical entanglement point, under certain conditions, in case this physics fixation point cancellation, coloring components is as easy as rolling off a log to break away from from fibrous matrix, and macro manifestations is the decolouring of look silk.The molecular weight of coloured material is more little, and this decolouring phenomenon is more obvious.Therefore, improving the pigment molecule amount is an important research and development direction with preparation fixation look mother.But this kind research is only carried out at specific pigment, lacks flexible enantiotropy for the occasion of polychrome interworking, limits it and generally uses.

In the preparation process of fiber, be an important operation to oiling of as-spun fibre and finished fiber.The preparation medium of broad sense is meant an analog assistant that is applied in chemical fibre production and the process, it can be used for regulating the frictional behavior of fiber, prevent and eliminate accumulation of static electricity, give characteristics such as certain level and smooth, the softness of fiber, make chemical fibre smoothly by operations such as spinning, weave.The partial function dispersant can be given the different silkiness of fiber, water proofing property, soil resistance, grease proofness, anti-flammability or antistatic behaviour etc.

Summary of the invention

The objective of the invention is to problem at the prior art existence, a kind of preparation method of color fixing polypropylene color silk is provided, in the spinning technique process, in polypropylene backbone, introduce polar group, coloring components in the Masterbatch and the polar group original position on the polypropylene backbone react, and form the chemical bond between coloring components and the polar group.

The preparation method of color fixing polypropylene color silk of the present invention comprises the steps:

(4) spinning material is a polypropylene matrix portions of resin functional additive by proportioning: Masterbatch=90～98: 1.5～8: carry out the melt blending spinning behind 0.5～2 percentage by weight mechanical blending and extrude, the setting range of spinning temperature is as shown in table 1:

Table 1

Screw rod					Flange	Casing
Screw rod							One district	Two districts	Three districts	Four districts	Five districts
The temperature setting range (℃)	200～ 220	220～ 240	230～ 250	230～ 250			One district	Two districts	Three districts	Four districts	Five districts	210～ 220	210～ 235	210～ 235

(5) extrude stretching, coiling, the functional modification finish oiling treatment of as-spun fibre, oil mass accounts for 1.0～3.0% weight of as-spun fibre on the functional modification finish;

(6) after-drawing of as-spun fibre, typing, coiling;

Described functional additive is one or more mixtures in ethylene-vinyl acetate copolymer, polyamide, polyester, polyoxyethylene, polyoxypropylene, polyester-copolyether, polypropylene grafted maleic anhydride, polypropylene grafted acrylic acid, polyester liquid crystal polymer, the TPO; Described functional modification finish mainly is made of smooth agent, collecting agent, antistatic additive and other function additive, and wherein the smooth agent consumption is the 30-70% weight of finish total amount, the 25-65% weight that the collecting agent consumption is the finish total amount, the 0.5-3.0% weight that the antistatic additive consumption is the finish total amount, the 0-5% weight that other auxiliary dosage is the finish total amount.

Wherein smooth agent by polyol ester, polyether-type nonionic surfactant, polyalcohol wherein one or more mixtures form.

Described polyol ester comprises wherein one or more mixtures of neopentyl glycol, trimethylolethane, trimethylolpropane, pentaerythrite or glycerine and monacid esterification products, sorbitan monooleate.

Described polyether-type nonionic surfactant is a poly(propylene oxide) polyoxyethylene addition product.

Described polyalcohol is wherein one or more mixtures of pentaerythrite, isoamyl glycol, glycerine or himself dehydration oligomer.

Collecting agent mainly is ester type or ether type non-ionic surface active agent, comprises wherein one or more mixtures of sulfated castor oil, triethanolamine oleate, alkyl acyl hydramine, polyoxyethylene carboxylate, polyacrylic acid, polyvinyl alcohol, sodium carboxymethylcellulose, polyacrylamide, modified starch, gelatin, sodium alginate, polyvinylpyrrolidone.Associate the cohesive force that produces to improve the convergence of fiber by macromolecule and hydrone.Also can adopt butyl cellosolve, mineral oil, modified castor oil wherein one or more mixtures to improve the convergence of fiber.

Antistatic additive mainly is nonionic, anionic or cationic surface active agent, as fatty alcohol phosphate class, polyoxyethylene fatty alcohol phosphate class such as hexadecanol phosphate kalium salt; Quaternary cationics such as dodecyl dimethyl ammonium chloride, softex kw etc.

Other auxiliary agent comprises silicates inorganic superfine powder body; Mould inhibitor such as alkyl trimethyl ammonium bromide, Alkyl dimethyl benzyl ammonium bromide; Defoamer such as octanol, 2-Ethylhexyl Alcohol, laruyl alcohol, polyethylene glycol etc.

The modification finish can provide the better convergence of look silk, flatness, stronger film strength, also be beneficial to simultaneously the improvement of fibre crystallinity energy, increase the uniformity and the density of fibre structure, improve the set ability of fiber to coloring components, therefore gained original liquid coloring polypropylene fibre not only has good Washing, has certain colorfastness to rubbing simultaneously.The functional modification finish is made of smooth agent, collecting agent, antistatic additive and other function additive.Wherein smooth agent be mainly used in reduce between fiber, the friction between fiber and rotation Kun, increase strand sea surface oil slick intensity; It is good to the fiber adhesion property that collecting agent requires, and finish self has good coherency, and good to fiber pervasion, stickiness own is big; Antistatic additive is mainly used in eliminates the static that rubs and produced between fiber-fiber, the fiber-mechanical part in the fiber production process, avoids gathering of static.

The present invention compared with prior art has following advantage:

1, the color fixing polypropylene color silk of the inventive method preparation has good Washing;

2, the used preparation raw material of the present invention all has the technical grade sale of finished goods, so raw material is easy to get;

3, the color fixing polypropylene color silk of the inventive method preparation can be directly used in suitability for industrialized production;

4, the inventive method can be implemented on existing polypropylene fibre manufacturing equipment, does not need to add new process equipment, and except that the spinning technique temperature need be done the suitable adjustment according to the consumption and the kind of functional additive, other technological parameter can be implemented according to original technological parameter;

5, colour fixation of the present invention is good, and is with low cost.

The specific embodiment

Embodiment 1

Spinning 900D/90f look silk, spinning material is formed (in one ton):

0.93 ton of polypropylene (MI=15g/10min)

Functional additive: 0.03 ton of ethylene-vinyl acetate copolymer

(5000) 0.02 tons of polyoxyethylene

0.02 ton of Masterbatch (bright red LD-03)

The spinning technique temperature is set:

Screw rod					Flange	Casing
Screw rod							One district	Two districts	Three districts	Four districts	Five districts
The temperature setting range (℃)	205	220	235	235			One district	Two districts	Three districts	Four districts	Five districts	220	215	215

Finish is formed (by total amount 1000g):

Emulsifier EL-60 200g

Polyoxyethylene ether (6) monolaurate 150g

Polyoxyethylene ether (10) monolaurate 200g

Triethanolamine oleate 150g

Sorbitan monooleate 100g

Polyvinyl alcohol 100g

Glycerine 50g

Alkyl trimethyl ammonium bromide 35g

Hexadecanol phosphate kalium salt 15g

The gained finish is milky white or light yellow thick liquid, adopts four times of deionized water dilutions during use.Oil mass is 2.5% (percetage by weight) of fibre weight on the fiber.

After the red polypropylene fiber of gained soaks 0.5 hour through boiling water, the transparent clarification of water.Measure its Washing according to AATCC61-1996 and all reach the 3-5 level.

Embodiment 2

Spinning 900D/90f look silk, spinning material is formed (in one ton):

0.92 ton of polypropylene (MI=15g/10min)

Functional additive: 0.04 ton of ethylene-vinyl acetate copolymer

0.02 ton of polyethylene (MI=10)

0.02 ton of Masterbatch (bright red LD-03)

The spinning technique temperature is set:

Finish is formed (by total amount 1000g):

Polyethylene glycol (400) laurate 400g

Oleic acid bay alcohol ester 200g

Polyethylene glycol (600) oleate 200g

Polyethylene glycol 100g

Polyacrylamide 50g

Hexadecanol phosphate kalium salt 30g

Alkyl trimethyl ammonium bromide 10g

Gelatin 10g

The gained finish is milky white or light yellow thick liquid, adopts four times of deionized water dilutions during use.Oil mass is 2.3% (percetage by weight) of fibre weight on the fiber.

Embodiment 3

Spinning 900D/90f look silk, spinning material is formed (in one ton):

0.94 ton of polypropylene (MI=15g/10min)

Functional additive: 0.02 ton of polyester

0.02 ton of polyethylene glycol

0.02 ton of Masterbatch (bright red LD-03)

The spinning technique temperature is set:

Screw rod					Flange	Casing
Screw rod							One district	Two districts	Three districts	Four districts	Five districts
The temperature setting range (℃)	205	210	230	230			One district	Two districts	Three districts	Four districts	Five districts	215	210	210

Finish is formed (by total amount 1000g):

Polyoxyethylene (6) D-sorbite monoglyceride 300g

Anhydrous sorbitol oleic acid monoester 250g

Neopentyl glycol laurate monoesters 200g

Lauroyl hydramine 100g

Polyethylene glycol 80g

Silicate inorganic superfine powder 20g

Alkyl dimethyl benzyl ammonium bromide 25g

Dodecyl dimethyl ammonium chloride 15g

Sodium carboxymethylcellulose 10g

After the red polypropylene fiber of gained soaks 0.5 hour through boiling water, the transparent clarification of water.Measure its Washing according to AATCC61-1996 and all reach the 4-5 level.

Embodiment 4

Spinning 900D/90f look silk, spinning material is formed (in one ton):

0.93 ton of polypropylene (MI=15g/10min)

Functional additive: 0.04 ton of polyester-copolyether

0.01 ton of polyethylene glycol

0.02 ton of Masterbatch (bright red LD-03)

The spinning technique temperature is set:

Finish is formed (by total amount 1000g):

Glyceryl monostearate 300g

Laurate polyoxyethylene ether 300g

Isoamyl glycol 100g

Arctic sperm oil 100g

Polyethylene glycol 100g

Lauroyl hydramine 55g

Alkyl dimethyl ammonium bromide 15g

Dodecyl dimethyl ammonium chloride 15g

Octanol 10g

Sodium alginate 5g

The gained finish is milky white or light yellow thick liquid, adopts four times of deionized water dilutions during use.Oil mass is 2.0% (percetage by weight) of fibre weight on the fiber.

Embodiment 5

Spinning 900D/90f look silk, spinning material is formed (in one ton):

0.96 ton of polypropylene (MI=15g/10min)

Functional additive: 0.02 ton of polypropylene grafted polyacrylic acid

0.02 ton of Masterbatch (bright red LD-03)

The spinning technique temperature is set:

Screw rod					Flange	Casing
Screw rod							One district	Two districts	Three districts	Four districts	Five districts
The temperature setting range (℃)	205	210	225	225			One district	Two districts	Three districts	Four districts	Five districts	215	210	210

Finish is formed (by total amount 1000g):

Polyoxyethylene (10) D-sorbite monoglyceride 300g

Polyoxyethylene (6) nonyl phenolic ether 250g

Trimethylolethane pelargonate 100g

Trimethylolpropane caprylate 100g

Arctic sperm oil 100g

Polyethylene glycol 100g

Modified starch 20g

Quaternary cationics 15g

Silicate inorganic superfine powder 15g

Embodiment 6

Spinning 900D/90f look silk, spinning material is formed (in one ton):

0.92 ton of polypropylene (MI=15g/10min)

Functional additive: 0.02 ton of polyamide 6

0.02 ton of polyethylene glycol

0.02 ton of polypropylene glycol

0.02 ton of Masterbatch (bright red LD-03)

The spinning technique temperature is set:

Screw rod					Flange	Casing
Screw rod							One district	Two districts	Three districts	Four districts	Five districts
The temperature setting range (℃)	215	220	235	235			One district	Two districts	Three districts	Four districts	Five districts	220	215	215

Finish is formed (by total amount 1000g):

Polyoxyethylene (8) anhydrosorbitol monoglyceride 300g

Polyoxyethylene (4) oleyl alcohol ether 240g

Anhydrous sorbitol tristearate 100g

PGML 100g

Modification white oil 100g

Isoamyl glycol 100g

Softex kw 20g

2-Ethylhexyl Alcohol 15g

Polyvinylpyrrolidone 15g

Alkyl dimethyl benzyl ammonium bromide 10g

Embodiment 7

Spinning 900D/90f look silk, spinning material is formed (in one ton):

0.93 ton of polypropylene (MI=15g/10min)

Functional additive: 0.02 ton of polyamide 66

0.02 ton of polyethylene glycol

0.01 ton of polypropylene glycol

0.02 ton of Masterbatch (bright red LD-03)

The spinning technique temperature is set:

Finish is formed (by total amount 1000g):

Polyoxyethylene (6) oleyl alcohol ether 240g

Polyoxyethylene (6) anhydrosorbitol monoglyceride 150g

Polyoxyethylene (10) anhydrosorbitol monoglyceride 150g

Bleeding agent OT 100g

PGML 100g

Polyoxyethylene detergent alkylate phenolic ether 100g

Isoamyl glycol 100g

Polyvinyl alcohol 20g

Softex kw 15g

2-Ethylhexyl Alcohol 15g

Alkyl dimethyl benzyl ammonium bromide 10g

Embodiment 8

Spinning 900D/90f look silk, spinning material is formed (in one ton):

0.92 ton of polypropylene (MI=15g/10min)

Functional additive: 0.03 ton of polyamide PA (spinning level)

0.03 ton of polyethylene glycol

0.02 ton of Masterbatch (bright red LD-03)

The spinning technique temperature is set:

Finish is formed (by total amount 1000g):

Polyoxyethylene (10) oleyl alcohol ether 220g

Polyoxyethylene (6) anhydrosorbitol monoglyceride 200g

Polyoxyethylene (2) anhydrosorbitol monoglyceride 110g

N, N dihydroxy ethyl oleamide 110g

PGML 100g

Mineral oil 100g

Isoamyl glycol 100g

Butyl cellosolve 20g

Softex kw 15g

Dodecyl sodium sulfate 15g

Alkyl dimethyl benzyl ammonium bromide 10g

Claims

1, a kind of preparation method of color fixing polypropylene color silk is characterized in that comprising the steps:

(1) spinning material is a polypropylene matrix portions of resin functional additive by proportioning: Masterbatch=90～98: 1.5～8: carry out the melt blending spinning behind 0.5～2 percentage by weight mechanical blending and extrude, the setting range of spinning temperature is as shown in table 1:

Table 1 Screw rod Flange Casing One district Two districts Three districts Four districts Five districts The temperature setting range (℃) 200～ 220 220～ 240 230～ 250 230～ 250 210～ 220 210～ 235 210～ 235

(2) extrude stretching, coiling, the functional modification finish oiling treatment of as-spun fibre, oil mass accounts for 1.0～3.0% weight of as-spun fibre on the functional modification finish;

(3) after-drawing of as-spun fibre, typing, coiling;

Described functional additive is one or more mixtures in ethene-acetate ethylene copolymer, polyamide, polyester, polyoxyethylene, polyoxypropylene, polyester-copolyether, polypropylene grafted maleic anhydride, polypropylene grafted acrylic acid, polyester liquid crystal polymer, the TPO; Described functional modification finish mainly is made of smooth agent, collecting agent, antistatic additive and other function additive, and wherein the smooth agent consumption is the 30-70% weight of finish total amount, the 25-65% weight that the collecting agent consumption is the finish total amount, the 0.5-3.0% weight that the antistatic additive consumption is the finish total amount, the 0-5% weight that other auxiliary dosage is the finish total amount;

Described smooth agent is made up of one or more mixtures in polyol ester, polyether-type nonionic surfactant, the polyalcohol; Described collecting agent is one or more mixtures in sulfated castor oil, triethanolamine oleate, alkyl acyl hydramine, polyoxyethylene carboxylate, polyacrylic acid, polyvinyl alcohol, sodium carboxymethylcellulose, polyacrylamide, modified starch, gelatin, sodium alginate, the polyvinylpyrrolidone;

Described antistatic additive is hexadecanol phosphate kalium salt, dodecyl dimethyl ammonium chloride or softex kw; Described other auxiliary agent comprises one or more mixtures in silicates inorganic superfine powder body, alkyl trimethyl ammonium bromide, Alkyl dimethyl benzyl ammonium bromide, octanol, 2-Ethylhexyl Alcohol, laruyl alcohol, the polyethylene glycol.

2, the preparation method of color fixing polypropylene color silk according to claim 1 is characterized in that described polyol ester comprises one or more mixtures in neopentyl glycol, trimethylolethane, trimethylolpropane, pentaerythrite or glycerine and monacid esterification products, the sorbitan monooleate.

3, the preparation method of color fixing polypropylene color silk according to claim 1 is characterized in that described polyether-type nonionic surfactant is a poly(propylene oxide) polyoxyethylene addition product.

4, the preparation method of color fixing polypropylene color silk according to claim 1 is characterized in that described collecting agent is one or more mixtures in butyl cellosolve, mineral oil, the modified castor oil.