CN1180016C - Brightening polypropylene mother particle for manufacture of brightening polypropylene fibre - Google Patents
Brightening polypropylene mother particle for manufacture of brightening polypropylene fibre Download PDFInfo
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- CN1180016C CN1180016C CNB021112630A CN02111263A CN1180016C CN 1180016 C CN1180016 C CN 1180016C CN B021112630 A CNB021112630 A CN B021112630A CN 02111263 A CN02111263 A CN 02111263A CN 1180016 C CN1180016 C CN 1180016C
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- polypropylene
- mother particle
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Abstract
The present invention relates to a brightening polypropylene mother particle for manufacturing a brightening polypropylene fiber, which uses fiber-grade polypropylene resin as a base material. The mother particle evenly comprises a composite optical brightener, wherein the composite optical brightener comprises the following components: a component A: any one of dibenzoxazole, triazine-phenyl coumarin, naphtho-triazoles-phenyl coumarin or bis-(styryl) biphenyl; a component B: any one of anthraquinone or indigo; the weight proportion of the component A and the component B is A: B=100: (0.5 to 5), and the content of the composite optical brightener in the mother particle is from 2 to 10 wt%. The present invention solves the technical problem that a novel brightening agent is used for replacing usual copper phthalocyanine dye in the prior art to cause the manufactured fiber to be more bright, and moreover, people have no feel of darkened luster.
Description
Technical field
The present invention relates to be used to make the brightening polypropylene mother particle of brightened polypropylene fibers, particularly the brightening polypropylene mother particle of Cai Yong oxazole class and double styrene biphenyl fluorescent bleaches.
Background technology
Polypropylene fibre is cheap because of its cost of material, production technique is simple, fiber light weight, chemical-resistant resistance, series of advantages such as heat retention and hydrophobicity preferably, and its Application Areas constantly enlarges.Wherein brightened polypropylene fibers is the polypropylene fibre new variety of developing in recent years, and it is particularly suitable for making nonwoven fabric, dress ornament fabric and furnishing fabric, and this white fiber has higher added value relatively.Brightened polypropylene fibers is generally made by the master batch method, and in the prior art, brightening the acrylic resin that masterbatch generally adopts fibre-grade is base-material, and wherein Jia Ru oxazole class and double styrene biphenyl fluorescent bleaches are made by melt pelletization.In order further to improve whitening effect, also add an amount of phthalocyanine blue dyestuff as brightening agent usually, make the fiber that finally makes have blue light slightly.But the shortcoming that adds behind the phthalocyanine blue dyestuff is to make to brighten the sensation that looking of fiber has a kind of tarnish.
Summary of the invention
Technical problem to be solved by this invention provides a kind of brightening polypropylene mother particle that is used to make brightened polypropylene fibers, it adopts a kind of new brightening agent to replace the phthalocyanine blue dyestuff that uses in the prior art, make the fiber that finally makes pure whiter, gloss does not then have the sensation of deepening.
Below be the technical scheme that the present invention solves the problems of the technologies described above:
A kind of brightening polypropylene mother particle that is used to make brightened polypropylene fibers is a base-material with the fiber-grade pp resin, contains following composite fluorescence whitening agent in the master batch equably:
Component A: any in dibenzoxazine, triazine-phenyl coumarin, aphthotriazoles-phenyl coumarin or two-(styryl) biphenyl;
Component B: anthraquinone, any in indigo-blue;
The weight ratio of component A and component B is A: B=100: (0.5～5), the weight percentage of composite fluorescence whitening agent in master batch is 2～10wt%.
Above-mentioned component A is preferably dibenzoxazine; Component B is preferably anthraquinone; The melt flow rate (MFR) of the fiber-grade pp resin base-material that is adopted is preferably 20～30g/10min.
In the present invention, component A is actually normally used white dyes, and component B is the selected brightening agent of the present invention.Selected and the add-on of brightening agent determine it is very crucial.We know that changes of shade is the reflection of material to the degree of photoabsorption and luminous reflectance (scattering).Brightening agent B component of the present invention can more effectively absorb UV-light (wavelength 360～380nm), and convert thereof into and have the blue light wave (visible light of wavelength 450～500nm), its luminous reflectance factor is very high, bright in colour, thereby make polypropylene fibre or goods in white saturating blue, color and luster is softer, effectively improves whiteness, glossiness and the vividness of polypropylene fibre or goods.The contriver finds that the weight ratio of component A and component B was greater than 100: 0.5, and brightening effect is not obvious, and when the weight ratio of component A and component B during less than 100: 5, blue reflected light is laid particular stress on, and gloss is deepening on the contrary.
Compared with prior art, brightening polypropylene mother particle provided by the invention makes the fiber that brightens that finally makes have better glossiness and coloured light feature.
Embodiment
Below will the present invention is further described by embodiment, however embodiment and be not understood to limitation of the invention.
[embodiment 1～9] (preparation of master batch):
By required proportioning get component A and component B and an amount of dispersion agent Poly Propylene Wax (it is more even that the adding of dispersion agent helps the composite fluorescence whitening agent to distribute in master batch, this with prior art in other similar master batch identical when preparing.) and the fiber-grade pp resin base-material (melt flow rate (MFR) is 20～30g/10min) to put into impeller and mix, add an amount of antioxidant 1010,168 during this time, this mixture adopts twin screw extruder melt pelletization under 180～210 ℃ of temperature, makes the master batch product.
Each component and content thereof contained in the master batch are listed in table 1.
Table 1.
| Component A | Component B | A/B (weight ratio) | A+B content (wt%) in the master batch | |
| Embodiment 1 | Dibenzoxazine | Anthraquinone | 100/5 | 2 |
| Embodiment 2 | Dibenzoxazine | Anthraquinone | 100/3 | 3 |
| Embodiment 3 | Dibenzoxazine | Anthraquinone | 100/2 | 5 |
| Embodiment 4 | Dibenzoxazine | Anthraquinone | 100/0.5 | 10 |
| Embodiment 5 | Dibenzoxazine | Indigo-blue | 100/3 | 3 |
| Embodiment 6 | Triazine-phenyl coumarin | Anthraquinone | 100/3 | 3 |
| Embodiment 7 | Triazine-phenyl coumarin | Indigo-blue | 100/5 | 3 |
| Embodiment 8 | Aphthotriazoles-phenyl coumarin | Anthraquinone | 100/3 | 3 |
| Embodiment 9 | Two-(styryl) biphenyl | Indigo-blue | 100/5 | 3 |
[embodiment 10～15] (preparation of fiber):
With master batch and plain polypropylene mix particles that the foregoing description obtains, melt-spinning makes pre-oriented yarn POY in screw extrusion press after drying, and part POY silk further is processed into drafting silk DT or is processed into stretch yarns DTY.Or after drying in screw extrusion press melt-spinning make staple fibre.
The complete processing of fiber and the part index number of fiber see Table 2 and table 3.
Table 2.
| Proportioning raw materials (master batch/plain polypropylene) | V1 | T | V2 | R | D/Y | H1/H2 | |
| Embodiment 10 | 100/2 | 2500 | 230～265 | 400 | 1.52 | 1.42 | 80/100 |
| Embodiment 11 | 100/1 | 2500 | 230～265 | 400 | 1.56 | 1.42 | 140/120 |
| Embodiment 12 | 100/1.5 | 2600 | 230～265 | 350 | 1.46 | 1.42 | 135/115 |
| Embodiment 13 | 100/1 | 2600 | 230～265 | 350 | 1.52 | 1.46 | 140/120 |
| Embodiment 14 | 100/1.5 | 2500 | 220～260 | 450 | 1.52 | 1.42 | 140/120 |
| Embodiment 15 | 100/1.5 | 750 | 240～270 | / | 4.5 | / | / |
Annotate: embodiment 10 adopts the master batch of embodiment 1 preparation; Embodiment 11,12 adopts the master batch of embodiment 2 preparations; Embodiment 13 adopts the master batch of embodiment 4 preparations; Embodiment 14 adopts the master batch of embodiment 5 preparations; Embodiment 15 adopts the master batch of embodiment 7 preparations.
In the table 2:
Proportioning raw materials=master batch/plain polypropylene particle (weight ratio)
V1=spinning winding speed (m/min)
V2=drawing-off/deformation processing speed (m/min)
The T=spinning temperature (℃)
The R=drafting multiple
D/Y=friction disc linear velocity/feeding wire speed
H1/H2=temperature of heat plate/hot plate temperature (to the DT silk), first heater temperature/second heater temperature (to the DTY silk)
Table 3.
| Product | Filament number (dtex) | Staple length (mm) | A+B content (wt%) in the fiber | Whiteness | |
| Embodiment 10 | DT | 1.52 | / | 0.04 | 166 |
| Embodiment 11 | DTY | 1.45 | / | 0.03 | 160 |
| Embodiment 12 | DTY | 1.59 | / | 0.045 | 172 |
| Embodiment 13 | DTY | 1.53 | / | 0.10 | 168 |
| Embodiment 14 | DTY | 1.40 | / | 0.045 | 164 |
| Embodiment 15 | Short silk | 1.40 | 38 | 0.045 | 162 |
Claims (4)
1, a kind of brightening polypropylene mother particle that is used to make brightened polypropylene fibers is a base-material with the fiber-grade pp resin, contains the composite fluorescence whitening agent in the master batch equably, and the composite fluorescence whitening agent contains following component:
Component A: any in dibenzoxazine, triazine-phenyl coumarin, aphthotriazoles-phenyl coumarin or two-(styryl) biphenyl;
Component B: anthraquinone, any in indigo-blue;
The weight ratio of component A and component B is A: B=100: 0.5～5, and the content of composite fluorescence whitening agent in master batch is 2～10wt%.
2, brightening polypropylene mother particle according to claim 1 is characterized in that described component A is a dibenzoxazine.
3, brightening polypropylene mother particle according to claim 1 is characterized in that described component B is an anthraquinone.
4, according to claim 1,2 or 3 described brightening polypropylene mother particles, the melt flow rate (MFR) that it is characterized in that described fiber-grade pp resin is 20～30g/10min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021112630A CN1180016C (en) | 2002-04-04 | 2002-04-04 | Brightening polypropylene mother particle for manufacture of brightening polypropylene fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021112630A CN1180016C (en) | 2002-04-04 | 2002-04-04 | Brightening polypropylene mother particle for manufacture of brightening polypropylene fibre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1448431A CN1448431A (en) | 2003-10-15 |
| CN1180016C true CN1180016C (en) | 2004-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021112630A Expired - Fee Related CN1180016C (en) | 2002-04-04 | 2002-04-04 | Brightening polypropylene mother particle for manufacture of brightening polypropylene fibre |
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| CN (1) | CN1180016C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112014016287B1 (en) * | 2011-12-30 | 2022-08-09 | F. Hoffmann - La Roche Ag | COMPOUND AND PHARMACEUTICAL COMPOSITION |
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| CN1448431A (en) | 2003-10-15 |
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Granted publication date: 20041215 Termination date: 20110404 |