CN104726949A - Method for preparing polypropylene chopped fibers capable of being dyed at normal pressure and temperature - Google Patents
Method for preparing polypropylene chopped fibers capable of being dyed at normal pressure and temperature Download PDFInfo
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- CN104726949A CN104726949A CN201510167017.0A CN201510167017A CN104726949A CN 104726949 A CN104726949 A CN 104726949A CN 201510167017 A CN201510167017 A CN 201510167017A CN 104726949 A CN104726949 A CN 104726949A
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- screw rod
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Abstract
The invention provides a method for preparing polypropylene chopped fibers capable of being dyed at a normal pressure and temperature. The method resolves the problem that existing PP chopped fibers can not be dyed at a normal pressure and temperature. Polypropylene slices with the melt index of 32g/10 min and auxiliaries are added into a melting lead screw A to serve as a skin layer, polypropylene slices with the melt index of 28g/10 min and auxiliaries are added into a melting lead screw B to serve as a core layer, the polypropylene slices are melted and then pass through a spinning machine metering pump, fibers are formed in the spinning machine metering pump and then pass through an oil groove oil feeding roller, a single-step traction machine, a primary setting machine, a coiling machine, a deodorization groove, a secondary setting machine, a fiber shaping machine and a cutting machine, and the polypropylene chopped fibers capable of being dyed at a normal pressure and temperature are obtained; the auxiliaries are polyolefin-g-MAH. The experiment result shows that at the normal pressure and the temperature of 70-98 DEG C, the polypropylene chopped fibers are dyed for 8-15 minutes, and the polypropylene chopped fibers capable of being dyed at a normal pressure and temperature can be obtained.
Description
Technical field
The invention belongs to PP normal-temperature normal-pressure dyeable staple fibre preparation method field, the preparation method of the polypropene staple that can contaminate under being specifically related to a kind of normal temperature and pressure.
Background technology
In recent years, domestic and international carpet industry development was very fast, and only the production of carpet yarn in 1999 just consumes 29.19 hundred million kg.Because chemical fibre carpet is bright in colour, durable wear, high resilience, very popular.Polyamide fibre, polypropylene fibre and terylene are the main raw materials of chemical fibre carpet, wherein polypropylene fibre (proportion 0.91/cm
3) be fiber the lightest in common fiber, at present in the carpet yarn of BCF, polypropylene fiber accounts for more than 50%, and within 2004, global output reaches 2,100,000 tons.Fibroblast polypropylene normally isotactic polymer, there is highly crystalline, be the stereoblock structure that molecule couples together interlacedly, non-polar group in molecule, has very low hygroscopicity, antistatic behaviour, lubricity, high chemical-resistant, decolourising property and F/M coefficient of friction.Then, existing PP staple fibre can not dye at normal temperatures and pressures.
Summary of the invention
The object of the invention is to solve existing PP staple fibre not stainable problem at normal temperatures and pressures, and the preparation method of the polypropene staple that can contaminate under a kind of normal temperature and pressure is provided.
In order to solve the problems of the technologies described above, the present invention mainly takes following technical scheme:
The preparation method of the polypropene staple that can contaminate under the invention provides a kind of normal temperature and pressure, comprises as follows:
Be that 32g/10min polypropylene chip and auxiliary agent add in melting screw rod A as cortex using melt index, be that 28g/10min polypropylene chip and auxiliary agent add in melting screw rod B as sandwich layer using melt index, after polypropylene chip melting, through metering pump of spinning machine, in metering pump of spinning machine after fiberizing, through finish groove oiling roller, a step drawing machine, one setting machine, crimping machine, degassed taste groove, two road setting machines, fiber trimmer and cutting machine, the polypropene staple that can contaminate under obtaining normal temperature and pressure; Described auxiliary agent is maleic anhydride stem grafting polyolefin.
Preferably, the model of described maleic anhydride stem grafting polyolefin is HD900E.
Preferably, the polypropylene in the polypropylene in described melting screw rod A, the auxiliary agent in melting screw rod A, melting screw rod B and the auxiliary agent in melting screw rod B are counted according to parts by weight: the polypropylene 40-60 part in the polypropylene 40-60 part in melting screw rod A, the auxiliary agent 3 parts in melting screw rod A, melting screw rod B and the auxiliary agent 3 parts in melting screw rod B.
Preferably, the polypropylene in the polypropylene in described melting screw rod A, the auxiliary agent in melting screw rod A, melting screw rod B and the auxiliary agent in melting screw rod B are counted according to parts by weight: the auxiliary agent 3 parts in the auxiliary agent 3 parts in the polypropylene in melting screw rod A 50 parts, melting screw rod A, the polypropylene 50 parts in melting screw rod B and melting screw rod B.
Preferably, the temperature of described degassed taste groove is 135 DEG C ~ 145 DEG C.
Preferably, the melt temperature of described melting screw rod A is 245 DEG C ~ 275 DEG C.
Preferably, the melt temperature of described melting screw rod B is 235 DEG C ~ 265 DEG C.
Beneficial effect of the present invention
The preparation method of the polypropene staple that can contaminate under the invention provides a kind of normal temperature and pressure, this process employs polypropylene minimum at specific melt index smell, control the temperature of degassed taste groove between 135 DEG C ~ 145 DEG C simultaneously, the polypropene staple obtained is made not produce any taste, simultaneously, owing to adding auxiliary agent in melting screw rod A and melting screw rod B, this auxiliary agent is used for ACID DYES, can dye under making the polypropene staple normal temperature and pressure obtained, experimental result shows, lower 70 DEG C ~ 98 DEG C of normal pressure, by painted for polypropene staple 8-15 minute, the polypropene staple that can contaminate under can obtaining normal temperature and pressure.
Detailed description of the invention
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiments of the invention are described, but should be appreciated that these describe just as further illustrating the features and advantages of the present invention instead of the restriction to patent requirements of the present invention.
The preparation method of the polypropene staple that can contaminate under the invention provides a kind of normal temperature and pressure, comprises as follows:
Be that polypropylene chip and the auxiliary agent of 32g/10min adds as cortex in melting screw rod A using melt index, screw rod A each district temperature is 245 ~ 250 DEG C, 1st district, preferably 247 DEG C, 2 247 ~ 253 DEG C, districts, preferably 250 DEG C, 3 250 ~ 255 DEG C, districts, preferably 252 DEG C, 4 253 ~ 258 DEG C, districts, preferably 255 DEG C, 5 258 ~ 275 DEG C, districts, preferably 265 DEG C, 6 258 ~ 275 DEG C, districts, preferably 265 DEG C, 7 258 ~ 275 DEG C, districts, preferably 265 DEG C; The melt temperature of melting screw rod A is preferably 245 DEG C ~ 275 DEG C, is more preferably 265 DEG C, and revolution is preferably 32 turns ~ 45 turns, is more preferably 39 turns, and electric current is preferably 85 ~ 130 peaces, is more preferably 98 peaces; Described auxiliary agent is maleic anhydride stem grafting polyolefin; The model of described maleic anhydride stem grafting polyolefin is preferably HD900E.
Be that polypropylene chip and the auxiliary agent of 28g/10min adds in melting screw rod B as sandwich layer using melt index, screw rod B each district temperature is 235 ~ 240 DEG C, 1st district, preferably 238 DEG C, 2 238 ~ 243 DEG C, districts, preferably 240 DEG C, 3 243 ~ 248 DEG C, districts, preferably 245 DEG C, 4 250 ~ 255 DEG C, districts, preferably 253 DEG C, 5 253 ~ 265 DEG C, districts, preferably 255 DEG C, 6 253 ~ 265 DEG C, districts, preferably 255 DEG C, 7 253 ~ 265 DEG C, districts, preferably 255 DEG C, the melt temperature of melting screw rod B is preferably 235 DEG C ~ 265 DEG C, be more preferably 255 DEG C, revolution is preferably 32 turns ~ 45 turns, be more preferably 39 turns, electric current is preferably 75 ~ 125 peaces, be more preferably 90 peaces, described auxiliary agent is maleic anhydride stem grafting polyolefin, the model of described maleic anhydride stem grafting polyolefin is preferably HD900E.
Then cortex and sandwich layer are joined in metering pump of spinning machine, in metering pump of spinning machine after fiberizing, through one section of HEAT SETTING, two sections of HEAT SETTING of finish groove oiling roller, a step drawing machine, one setting machine, crimping machine, degassed taste groove, two road setting machines, enter fiber trimmer, make the fibre bundle that pine is random regular by the effect of air-flow, fibre bundle after shaping becomes the PP staple fibre of specific length by cutting machine, then enter in fibre finish machine, make the staple fibre of dispersion shaping, the polypropene staple that can contaminate under obtaining normal temperature and pressure; Polypropylene in polypropylene in described melting screw rod A, the auxiliary agent in melting screw rod A, melting screw rod B and the auxiliary agent in melting screw rod B are preferably according to weight parts: the polypropylene 40-60 part in the polypropylene 40-60 part in melting screw rod A, the auxiliary agent 3 parts in melting screw rod A, melting screw rod B and the auxiliary agent 3 parts in melting screw rod B; Be more preferably: the auxiliary agent 3 parts in the auxiliary agent 3 parts in the polypropylene in melting screw rod A 50 parts, melting screw rod A, the polypropylene 50 parts in melting screw rod B and melting screw rod B.
The setting parameter of described metering pump of spinning machine is preferably, A1:8.6 ~ 9.6 turn, A2:8.6 ~ 9.6 turn, A3:8.6 ~ 9.6 turn, A4:8.6 ~ 9.6 turn, B1:8.6 ~ 9.6 turn, B2:8.6 ~ 9.6 turn, B3:8.6 ~ 9.6 turn, B4:8.6 ~ 9.6 turn, be more preferably A1:9 to turn, A2:9 turns, and A3:9 turns, A4:9 turns, and B1:9 turns, and B2:9 turns, B3:9 turns, and B4:9 turns; A1, A2, A3, A4 are A line measuring pump code name, and B1, B2, B3, B4 are B line measuring pump code name.
The oil revolution of rod of above-mentioned finish groove is preferably 7 ~ 7.4 turns, and be more preferably 7.2 turns, the temperature of drawing-off bath is preferably 108 DEG C ~ 120 DEG C, be more preferably 112 DEG C, the temperature of a step drawing machine is preferably 92 DEG C ~ 100 DEG C, is more preferably 96 DEG C, revolution is preferably 21 ~ 25 turns, is more preferably 23 turns;
The temperature of above-mentioned one setting machine is preferably 118 DEG C ~ 122 DEG C, is more preferably 120 DEG C, and described coiling machine setting parameter is: case pressure: 1.9 ~ 2.1 Gong Jin/㎝
2, be more preferably 2 Gong Jin/㎝
2, roll extrusion: 3.3 ~ 3.5 Gong Jin/㎝
2, be more preferably 3.4 Gong Jin/㎝
2, crispation number number is 18 ~ 20, is more preferably 19, and fiber tension is preferably 70 ~ 80 newton, is more preferably 75 newton;
The temperature of described degassed taste groove is for being preferably 135 DEG C ~ 145 DEG C, the temperature of two road setting machines, one section of HEAT SETTING is preferably 128 DEG C ~ 136 DEG C, be more preferably 132 DEG C, chain row revolution is preferably 0.3 ~ 0.6 turn, be more preferably 0.5 turn, the temperature of two sections of HEAT SETTING is preferably 140 DEG C ~ 149 DEG C, be more preferably 145 DEG C, chain row revolution is preferably 0.6 ~ 1.2 turn, be more preferably 0.9 turn, the revolution of cutting machine is preferably 43 ~ 47 turns, is more preferably 45 turns, the revolution of baling press is preferably 1800 ~ 2000 turns, is more preferably 1900 turns.
Below in conjunction with specific embodiment, further detailed description is done to the present invention.
Embodiment 1
Be that polypropylene chip and 3 parts of maleic anhydride stem grafting polyolefin HD900E of 32g/10min add in melting screw rod A as cortex using 40 parts of poly-melt index, be that polypropylene chip and 3 parts of maleic anhydride stem grafting polyolefin HD900E of 28g/10min add in melting screw rod B as sandwich layer using 60 parts of melt index, cortex and sandwich layer join in metering pump of spinning machine, then to oil rod through finish groove, one step drawing machine, one setting machine, crimping machine, degassed taste groove, fibre bundle is obtained after two road setting machines, above-mentioned fibre bundle is cut off by cutting machine, the polypropene staple that can contaminate under obtaining normal temperature and pressure, screw rod A each district temperature is 245 DEG C, 1st district, 2 247 DEG C, districts, 3 250 DEG C, districts, 4 253 DEG C, districts, 5 258 DEG C, districts, 6 258 DEG C, districts, 7 258 DEG C, districts, and screw rod B each district temperature is 235 DEG C, 1st district, 2 238 DEG C, districts, 3 243 DEG C, districts, 4 250 DEG C, districts, 5 253 DEG C, districts, 6 253 DEG C, districts, 7 253 DEG C, districts.
Concrete technological parameter is as shown in table 1:
Table 1
Experimental result shows: lower 70 DEG C ~ 98 DEG C of normal pressure, the painted 8-15 minute of polypropene staple embodiment 1 obtained, the polypropene staple that can contaminate under can obtaining normal temperature and pressure.
Embodiment 2
Be that polypropylene chip and 3 parts of maleic anhydride stem grafting polyolefin HD900E of 32g/10min add in melting screw rod A as cortex using 50 parts of poly-melt index, be that polypropylene chip and 3 parts of maleic anhydride stem grafting polyolefin HD900E of 28g/10min add in melting screw rod B as sandwich layer using 50 parts of melt index, cortex and sandwich layer join in metering pump of spinning machine, then to oil rod through finish groove, one step drawing machine, one setting machine, crimping machine, degassed taste groove, fibre bundle is obtained after two road setting machines, above-mentioned fibre bundle is cut off by cutting machine, the polypropene staple that can contaminate under obtaining normal temperature and pressure, screw rod A each district temperature is 247 DEG C, 1st district, 2 250 DEG C, districts, 3 252 DEG C, districts, 4 255 DEG C, districts, 5 265 DEG C, districts, 6 265 DEG C, districts, 7 265 DEG C, districts, screw rod B each district temperature is 238 DEG C, 1st district, 2 240 DEG C, districts, 3 245 DEG C, districts, 4 253 DEG C, districts, 5 255 DEG C, districts, 6 255 DEG C, districts, 7 255 DEG C, districts.
Concrete technological parameter is as shown in table 2:
Table 2
Experimental result shows: lower 70 DEG C ~ 98 DEG C of normal pressure, the painted 8-15 minute of polypropene staple embodiment 2 obtained, the polypropene staple that can contaminate under can obtaining normal temperature and pressure.
Embodiment 3
Be that polypropylene chip and 3 parts of maleic anhydride stem grafting polyolefin HD900E of 32g/10min add in melting screw rod A as cortex using 60 parts of poly-melt index, be that polypropylene chip and 3 parts of maleic anhydride stem grafting polyolefin HD900E of 28g/10min add in melting screw rod B as sandwich layer using 40 parts of melt index, cortex and sandwich layer join in metering pump of spinning machine, then to oil rod through finish groove, one step drawing machine, one setting machine, crimping machine, degassed taste groove, fibre bundle is obtained after two road setting machines, above-mentioned fibre bundle is cut off by cutting machine, the polypropene staple that can contaminate under obtaining normal temperature and pressure, screw rod A each district temperature is 250 DEG C, 1st district, 2 253 DEG C, districts, 3 255 DEG C, districts, 4 258 DEG C, districts, 5 275 DEG C, districts, 6 275 DEG C, districts, 7 275 DEG C, districts, and screw rod B each district temperature is 240 DEG C, 1st district, 2 243 DEG C, districts, 3 248 DEG C, districts, 4 255 DEG C, districts, 5 265 DEG C, districts, 6 265 DEG C, districts, 7 265 DEG C, districts.
Concrete technological parameter is as shown in table 3:
Table 3
Experimental result shows: lower 70 DEG C ~ 98 DEG C of normal pressure, the painted 8-15 minute of polypropene staple embodiment 3 obtained, the polypropene staple that can contaminate under can obtaining normal temperature and pressure.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a preparation method for the polypropene staple that can contaminate under normal temperature and pressure, is characterized in that, comprises as follows:
Be that 32g/10min polypropylene chip and auxiliary agent add in melting screw rod A as cortex using melt index, be that 28g/10min polypropylene chip and auxiliary agent add in melting screw rod B as sandwich layer using melt index, after polypropylene chip melting, through metering pump of spinning machine, in metering pump of spinning machine after fiberizing, through finish groove oiling roller, a step drawing machine, one setting machine, crimping machine, degassed taste groove, two road setting machines, fiber trimmer and cutting machine, the polypropene staple that can contaminate under obtaining normal temperature and pressure; Described auxiliary agent is maleic anhydride stem grafting polyolefin.
2. the preparation method of the polypropene staple that can contaminate under a kind of normal temperature and pressure according to claim 1, is characterized in that, the model of described maleic anhydride stem grafting polyolefin is HD900E.
3. the preparation method of the polypropene staple that can contaminate under a kind of normal temperature and pressure according to claim 1, it is characterized in that, the polypropylene in the polypropylene in described melting screw rod A, the auxiliary agent in melting screw rod A, melting screw rod B and the auxiliary agent in melting screw rod B are counted according to parts by weight: the polypropylene 40-60 part in the polypropylene 40-60 part in melting screw rod A, the auxiliary agent 3 parts in melting screw rod A, melting screw rod B and the auxiliary agent 3 parts in melting screw rod B.
4. the preparation method of the polypropene staple that can contaminate under a kind of normal temperature and pressure according to claim 1, it is characterized in that, the polypropylene in the polypropylene in described melting screw rod A, the auxiliary agent in melting screw rod A, melting screw rod B and the auxiliary agent in melting screw rod B are counted according to parts by weight: the auxiliary agent 3 parts in the auxiliary agent 3 parts in the polypropylene in melting screw rod A 50 parts, melting screw rod A, the polypropylene 50 parts in melting screw rod B and melting screw rod B.
5. the preparation method of the polypropene staple that can contaminate under a kind of normal temperature and pressure according to claim 1, is characterized in that, the temperature of described degassed taste groove is 135 DEG C ~ 145 DEG C.
6. the preparation method of the polypropene staple that can contaminate under a kind of normal temperature and pressure according to claim 1, is characterized in that, the melt temperature of described melting screw rod A is 245 DEG C ~ 275 DEG C.
7. the preparation method of the polypropene staple that can contaminate under a kind of normal temperature and pressure according to claim 1, is characterized in that, the melt temperature of described melting screw rod B is 235 DEG C ~ 265 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106757769A (en) * | 2016-12-02 | 2017-05-31 | 吉林省华纺静电材料科技有限公司 | A kind of preparation method of odorlessness and attached electrostatic multifunctional spun lacing industry wiper |
| CN106906526A (en) * | 2017-04-20 | 2017-06-30 | 吉林省华纺静电材料科技有限公司 | The preparation method of Compound spinning core-skin Rotating fields polypropylene electrostatic chopped fiber |
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Cited By (2)
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Address after: 136200 SME incubator, Longshan Industrial Development Zone, Liaoyuan, Jilin, Liaoyuan Applicant after: Jilin Huafang electrostatic Mstar Technology Ltd Address before: 136200 SME incubator, Longshan Industrial Development Zone, Liaoyuan, Jilin, Liaoyuan Applicant before: Jilin Province Huafang Fiber Manufacturing Co., Ltd. |
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