CN109181009A - A kind of acetate fiber particle hot melting process method - Google Patents
A kind of acetate fiber particle hot melting process method Download PDFInfo
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- CN109181009A CN109181009A CN201810955195.3A CN201810955195A CN109181009A CN 109181009 A CN109181009 A CN 109181009A CN 201810955195 A CN201810955195 A CN 201810955195A CN 109181009 A CN109181009 A CN 109181009A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/201—Pre-melted polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/22—Post-esterification treatments, including purification
- C08B3/24—Hydrolysis or ripening
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/10—Esters of organic acids
- C08J2301/12—Cellulose acetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/11—Esters; Ether-esters of acyclic polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
Abstract
The invention discloses a kind of acetate fiber particle hot melting process method, which includes the following steps: S1, first drying, S2, dedusting, S3, cleaning, S5, crushing: S4, secondary drying particle addition pulverizer are crushed, crossing sieve mesh number is 1200 mesh to 1400 mesh, it is spare, S6, mixing: agitator is added in smashed particle, and barium sulfate powder is added, is sufficiently stirred 25 to 30 minutes, it is uniformly mixed, S7, hot melt.A kind of acetate fiber particle hot melting process method provided by the invention is cleaned by shredding dedusting and chemically treated placement, dust and impurities can effectively be taken out, improve acetate fiber quality, simultaneously by adding barium sulfate after crushing, guarantee heat-conducting effect, and auxiliary additive is added to improve hot melt liquid properties, the security and stability of production and processing can be greatly improved in this way, guarantees product quality and performances.
Description
Technical field
The present invention relates to hot-melt technology field more particularly to a kind of acetate fiber particle hot melting process methods.
Background technique
In present acetate fiber hot melting process, due to the limitation of raw material, usually it is mingled with a large amount of ash inside particle
Dirt and other compounds, and prior art is inconvenient to be cleared up and be removed, this, which results in presenting after acetate fiber heats, is divided into
Phenomenon, reduces the quality of product, then having is exactly in reflow process, since temperature is relatively high, and thermal heat transfer capability between particle
It is poor, it is uneven that it be easy to cause hot melt in this way, but also be easy to cause the liquid brightness after hot melt and plasticity poor, is unfavorable for
Subsequent technique production.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of acetate fiber particle heat proposed
Process of smelting method.
To achieve the goals above, present invention employs following technical solutions:
A kind of acetate fiber particle hot melting process method, the acetate fiber particle hot melting process method include the following steps:
S1, first drying: particle is placed in baking oven, and setting temperature is 75 degrees Celsius to 80 degrees Celsius, dries 25 minutes extremely
30 minutes, remove moisture removal.
S2, dedusting: being added opener for the particle after drying, carries out shredding by gear pulley, obtains discrete particles, together
The processing of Shi Jinhang depression dust-removing.
S3, cleaning: it by other substances being mingled in chemical reaction removal particle, is then rinsed using clear water.
S4, secondary drying: being placed again into oven interior for the particle cleaned, adjusts the temperature to 105 degrees Celsius to 110 and takes the photograph
Family name's degree is dried 1 hour to 2 hours, and internal moisture and volatile substance are removed.
S5, crushing: particle addition pulverizer is crushed, and crossing sieve mesh number is 1200 mesh to 1400 mesh, spare.
S6, mixing: agitator is added in smashed particle, and barium sulfate powder is added, is sufficiently stirred 25 to 30 points
Clock is uniformly mixed.
S7, hot melt: being heated to molten condition for mixed particle, and auxiliary additive is added and carries out synergy, and
It is stirred under going to 120 rotary speed per minute per minute 100, continues 15 minutes to 20 minutes.
Preferably, the depression dust-removing is dusted using cyclone dust collectors.
Preferably, the chemical dust removal method includes the following steps:
P1, activation: particle activation is easy to mix, and uniform stirring 15 minutes to 25 minutes, is activated.
P2,30 degrees Celsius to 35 degrees Celsius are heated to, acetic anhydride are added, is then heated to 45 degrees Celsius to 50 degrees Celsius,
Esterification treatment is carried out, keeps the temperature 2 hours to 3 hours.
P3, acetic acid is added, makes water content in 15%-20%, be then heated to 70 degrees Celsius to 75 degrees Celsius, place is hydrolyzed
Reason, continues 2 hours to 4 hours.
P4, addition antalkali come neutralisation of sulphuric acid and acetic acid, stop reaction.
P5, acetate fiber particle is precipitated, then carries out clear water flushing.
Preferably, the antalkali is sodium hydroxide solution.
Preferably, the temperature that the clear water rinses is 80 degrees Celsius to 85 degrees Celsius.
Preferably, the activated solution includes glacial acetic acid 25%-45%, sulfuric acid 45%-55% and water 10%-15%.
Preferably, the auxiliary additive includes starch 45%-60%, antioxidant 5%-8% and plasticizer 25%-45%.
Preferably, the starch is one or more mixtures of cornstarch, potato starch and tapioca.
Preferably, the plasticizer is one of acetyl triethyl citrate, phosphate, glycerin monostearate or more
Kind mixture.
Preferably, the hot melting temperature be 180 degrees Celsius to 190 degrees Celsius, and heating rate be 5 centigrade per minutes extremely
7 centigrade per minutes.
A kind of acetate fiber particle hot melting process method provided by the invention is by shredding dedusting and chemically treated puts
It sets and is cleaned, can effectively take out dust and impurities, improve acetate fiber quality, while by adding barium sulfate after crushing,
Guarantee heat-conducting effect, and auxiliary additive is added to improve hot melt liquid properties, production and processing can be greatly improved in this way
Security and stability guarantees product quality and performances.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
A kind of acetate fiber particle hot melting process method, the acetate fiber particle hot melting process method include the following steps:
S1, first drying: particle is placed in baking oven, and setting temperature is 75 degrees Celsius to 80 degrees Celsius, dries 25 minutes extremely
30 minutes, remove moisture removal.
S2, dedusting: being added opener for the particle after drying, carries out shredding by gear pulley, obtains discrete particles, together
The processing of Shi Jinhang depression dust-removing.
S3, cleaning: it by other substances being mingled in chemical reaction removal particle, is then rinsed using clear water.
S4, secondary drying: being placed again into oven interior for the particle cleaned, adjusts the temperature to 105 degrees Celsius to 110 and takes the photograph
Family name's degree is dried 1 hour to 2 hours, and internal moisture and volatile substance are removed.
S5, crushing: particle addition pulverizer is crushed, and crossing sieve mesh number is 1200 mesh to 1400 mesh, spare.
S6, mixing: agitator is added in smashed particle, and barium sulfate powder is added, is sufficiently stirred 25 to 30 points
Clock is uniformly mixed.
S7, hot melt: being heated to molten condition for mixed particle, and auxiliary additive is added and carries out synergy, and
It is stirred under going to 120 rotary speed per minute per minute 100, continues 15 minutes to 20 minutes.
Preferably, the depression dust-removing is dusted using cyclone dust collectors.
Preferably, the chemistry dust removal method includes the following steps:
P1, activation: particle activation is easy to mix, and uniform stirring 15 minutes to 25 minutes, is activated.
P2,30 degrees Celsius to 35 degrees Celsius are heated to, acetic anhydride are added, is then heated to 45 degrees Celsius to 50 degrees Celsius,
Esterification treatment is carried out, keeps the temperature 2 hours to 3 hours.
P3, acetic acid is added, makes water content in 15%-20%, be then heated to 70 degrees Celsius to 75 degrees Celsius, place is hydrolyzed
Reason, continues 2 hours to 4 hours.
P4, addition antalkali come neutralisation of sulphuric acid and acetic acid, stop reaction.
P5, acetate fiber particle is precipitated, then carries out clear water flushing.
Preferably, the antalkali is sodium hydroxide solution.
Preferably, the temperature that the clear water rinses is 80 degrees Celsius to 85 degrees Celsius.
Preferably, the activated solution includes glacial acetic acid 25%-45%, sulfuric acid 45%-55% and water 10%-15%.
Preferably, the auxiliary additive includes starch 45%-60%, antioxidant 5%-8% and plasticizer 25%-45%.
Preferably, the starch is one or more mixtures of cornstarch, potato starch and tapioca.
Preferably, the plasticizer is one of acetyl triethyl citrate, phosphate, glycerin monostearate
Or a variety of mixtures.
Preferably, the hot melting temperature is 180 degrees Celsius to 190 degrees Celsius, and heating rate is 5 degrees Celsius every point
Clock is to 7 centigrade per minutes.
A kind of acetate fiber particle hot melting process method provided by the invention is by shredding dedusting and chemically treated puts
It sets and is cleaned, can effectively take out dust and impurities, improve acetate fiber quality, while by adding barium sulfate after crushing,
Guarantee heat-conducting effect, and auxiliary additive is added to improve hot melt liquid properties, production and processing can be greatly improved in this way
Security and stability guarantees product quality and performances.
Embodiment 1
A kind of acetate fiber particle hot melting process method, the acetate fiber particle hot melting process method include the following steps:
S1, first drying: particle is placed in baking oven, and setting temperature is 75 degrees Celsius to 80 degrees Celsius, dries 25 minutes extremely
30 minutes, remove moisture removal.
S2, dedusting: being added opener for the particle after drying, carries out shredding by gear pulley, obtains discrete particles, together
The processing of Shi Jinhang depression dust-removing.
S3, cleaning: it by other substances being mingled in chemical reaction removal particle, is then rinsed using clear water.
S4, secondary drying: being placed again into oven interior for the particle cleaned, adjusts the temperature to 105 degrees Celsius to 110 and takes the photograph
Family name's degree is dried 1 hour to 2 hours, and internal moisture and volatile substance are removed.
S5, crushing: particle addition pulverizer is crushed, and crossing sieve mesh number is 1200 mesh to 1400 mesh, spare.
S6, mixing: agitator is added in smashed particle, and barium sulfate powder is added, is sufficiently stirred 25 to 30 points
Clock is uniformly mixed.
S7, hot melt: being heated to molten condition for mixed particle, and auxiliary additive is added and carries out synergy, and
It is stirred under going to 120 rotary speed per minute per minute 100, continues 15 minutes to 20 minutes.
Preferably, the depression dust-removing is dusted using cyclone dust collectors.
Preferably, the chemistry dust removal method includes the following steps:
P1, activation: particle activation is easy to mix, and uniform stirring 15 minutes to 25 minutes, is activated.
P2,30 degrees Celsius to 35 degrees Celsius are heated to, acetic anhydride are added, is then heated to 45 degrees Celsius to 50 degrees Celsius,
Esterification treatment is carried out, keeps the temperature 2 hours to 3 hours.
P3, acetic acid is added, makes water content in 15%-20%, be then heated to 70 degrees Celsius to 75 degrees Celsius, place is hydrolyzed
Reason, continues 2 hours to 4 hours.
P4, addition antalkali come neutralisation of sulphuric acid and acetic acid, stop reaction.
P5, acetate fiber particle is precipitated, then carries out clear water flushing.
Preferably, the antalkali is sodium hydroxide solution.
Preferably, the temperature that the clear water rinses is 80 degrees Celsius to 85 degrees Celsius.
Preferably, the activated solution includes glacial acetic acid 42%, sulfuric acid 45% and water 13%.
Preferably, the auxiliary additive includes starch 55%, antioxidant 8% and plasticizer 37%.
Preferably, the starch is one or more mixtures of cornstarch, potato starch and tapioca.
Preferably, the plasticizer is one of acetyl triethyl citrate, phosphate, glycerin monostearate
Or a variety of mixtures.
Preferably, the hot melting temperature is 180 degrees Celsius to 190 degrees Celsius, and heating rate is 5 degrees Celsius every point
Clock is to 7 centigrade per minutes.
Embodiment 2
A kind of acetate fiber particle hot melting process method, the acetate fiber particle hot melting process method include the following steps:
S1, first drying: particle is placed in baking oven, and setting temperature is 75 degrees Celsius to 80 degrees Celsius, dries 25 minutes extremely
30 minutes, remove moisture removal.
S2, dedusting: being added opener for the particle after drying, carries out shredding by gear pulley, obtains discrete particles, together
The processing of Shi Jinhang depression dust-removing.
S3, cleaning: it by other substances being mingled in chemical reaction removal particle, is then rinsed using clear water.
S4, secondary drying: being placed again into oven interior for the particle cleaned, adjusts the temperature to 105 degrees Celsius to 110 and takes the photograph
Family name's degree is dried 1 hour to 2 hours, and internal moisture and volatile substance are removed.
S5, crushing: particle addition pulverizer is crushed, and crossing sieve mesh number is 1200 mesh to 1400 mesh, spare.
S6, mixing: agitator is added in smashed particle, and barium sulfate powder is added, is sufficiently stirred 25 to 30 points
Clock is uniformly mixed.
S7, hot melt: being heated to molten condition for mixed particle, and auxiliary additive is added and carries out synergy, and
It is stirred under going to 120 rotary speed per minute per minute 100, continues 15 minutes to 20 minutes.
Preferably, the depression dust-removing is dusted using cyclone dust collectors.
Preferably, the chemistry dust removal method includes the following steps:
P1, activation: particle activation is easy to mix, and uniform stirring 15 minutes to 25 minutes, is activated.
P2,30 degrees Celsius to 35 degrees Celsius are heated to, acetic anhydride are added, is then heated to 45 degrees Celsius to 50 degrees Celsius,
Esterification treatment is carried out, keeps the temperature 2 hours to 3 hours.
P3, acetic acid is added, makes water content in 15%-20%, be then heated to 70 degrees Celsius to 75 degrees Celsius, place is hydrolyzed
Reason, continues 2 hours to 4 hours.
P4, addition antalkali come neutralisation of sulphuric acid and acetic acid, stop reaction.
P5, acetate fiber particle is precipitated, then carries out clear water flushing.
Preferably, the antalkali is sodium hydroxide solution.
Preferably, the temperature that the clear water rinses is 80 degrees Celsius to 85 degrees Celsius.
Preferably, the activated solution includes glacial acetic acid 40%, sulfuric acid 48% and water 12%.
Preferably, the auxiliary additive includes starch 60%, antioxidant 5% and plasticizer 35%.
Preferably, the starch is one or more mixtures of cornstarch, potato starch and tapioca.
Preferably, the plasticizer is one of acetyl triethyl citrate, phosphate, glycerin monostearate
Or a variety of mixtures.
Preferably, the hot melting temperature is 180 degrees Celsius to 190 degrees Celsius, and heating rate is 5 degrees Celsius every point
Clock is to 7 centigrade per minutes.
Embodiment 3
A kind of acetate fiber particle hot melting process method, the acetate fiber particle hot melting process method include the following steps:
S1, first drying: particle is placed in baking oven, and setting temperature is 75 degrees Celsius to 80 degrees Celsius, dries 25 minutes extremely
30 minutes, remove moisture removal.
S2, dedusting: being added opener for the particle after drying, carries out shredding by gear pulley, obtains discrete particles, together
The processing of Shi Jinhang depression dust-removing.
S3, cleaning: it by other substances being mingled in chemical reaction removal particle, is then rinsed using clear water.
S4, secondary drying: being placed again into oven interior for the particle cleaned, adjusts the temperature to 105 degrees Celsius to 110 and takes the photograph
Family name's degree is dried 1 hour to 2 hours, and internal moisture and volatile substance are removed.
S5, crushing: particle addition pulverizer is crushed, and crossing sieve mesh number is 1200 mesh to 1400 mesh, spare.
S6, mixing: agitator is added in smashed particle, and barium sulfate powder is added, is sufficiently stirred 25 to 30 points
Clock is uniformly mixed.
S7, hot melt: being heated to molten condition for mixed particle, and auxiliary additive is added and carries out synergy, and
It is stirred under going to 120 rotary speed per minute per minute 100, continues 15 minutes to 20 minutes.
Preferably, the depression dust-removing is dusted using cyclone dust collectors.
Preferably, the chemistry dust removal method includes the following steps:
P1, activation: particle activation is easy to mix, and uniform stirring 15 minutes to 25 minutes, is activated.
P2,30 degrees Celsius to 35 degrees Celsius are heated to, acetic anhydride are added, is then heated to 45 degrees Celsius to 50 degrees Celsius,
Esterification treatment is carried out, keeps the temperature 2 hours to 3 hours.
P3, acetic acid is added, makes water content in 15%-20%, be then heated to 70 degrees Celsius to 75 degrees Celsius, place is hydrolyzed
Reason, continues 2 hours to 4 hours.
P4, addition antalkali come neutralisation of sulphuric acid and acetic acid, stop reaction.
P5, acetate fiber particle is precipitated, then carries out clear water flushing.
Preferably, the antalkali is sodium hydroxide solution.
Preferably, the temperature that the clear water rinses is 80 degrees Celsius to 85 degrees Celsius.
Preferably, the activated solution includes glacial acetic acid 45%, sulfuric acid 45% and water 10%.
Preferably, the auxiliary additive includes starch 50%, antioxidant 6% and plasticizer 44%.
Preferably, the starch is one or more mixtures of cornstarch, potato starch and tapioca.
Preferably, the plasticizer is one of acetyl triethyl citrate, phosphate, glycerin monostearate
Or a variety of mixtures.
Preferably, the hot melting temperature is 180 degrees Celsius to 190 degrees Celsius, and heating rate is 5 degrees Celsius every point
Clock is to 7 centigrade per minutes.
Claims (10)
1. a kind of acetate fiber particle hot melting process method, it is characterised in that: the acetate fiber particle hot melting process method includes
Following steps:
S1, first drying: particle is placed in baking oven, and setting temperature is 75 degrees Celsius to 80 degrees Celsius, dries 25 minutes extremely
30 minutes, remove moisture removal；
S2, dedusting: by after drying particle be added opener, by gear pulley carry out shredding, obtain discrete particles, while into
The processing of row depression dust-removing；
S3, cleaning: it by other substances being mingled in chemical reaction removal particle, is then rinsed using clear water；
S4, secondary drying: being placed again into oven interior for the particle cleaned, adjust the temperature to 105 degrees Celsius to 110 it is Celsius
Degree is dried 1 hour to 2 hours, and internal moisture and volatile substance are removed；
S5, crushing: particle addition pulverizer is crushed, and crossing sieve mesh number is 1200 mesh to 1400 mesh, spare；
S6, mixing: agitator is added in smashed particle, and barium sulfate powder is added, is sufficiently stirred 25 to 30 minutes, is mixed
It closes uniform；
S7, hot melt: being heated to molten condition for mixed particle, and auxiliary additive is added and carries out synergy, and every
Minute 100, which goes under 120 rotary speed per minute, to be stirred, continues 15 minutes to 20 minutes.
2. according to a kind of acetate fiber particle hot melting process method of the claim 1, it is characterised in that: the depression dust-removing
It is dusted using cyclone dust collectors.
3. according to a kind of acetate fiber particle hot melting process method of the claim 1, it is characterised in that: the chemistry dedusting
Method includes the following steps:
P1, activation: particle activation is easy to mix, and uniform stirring 15 minutes to 25 minutes, is activated；
P2,30 degrees Celsius to 35 degrees Celsius are heated to, acetic anhydride is added, be then heated to 45 degrees Celsius to 50 degrees Celsius, carried out
Esterification treatment keeps the temperature 2 hours to 3 hours；
P3, acetic acid is added, makes water content in 15%-20%, is then heated to 70 degrees Celsius to 75 degrees Celsius, is hydrolyzed,
Continue 2 hours to 4 hours；
P4, addition antalkali come neutralisation of sulphuric acid and acetic acid, stop reaction；
P5, acetate fiber particle is precipitated, then carries out clear water flushing.
4. according to a kind of acetate fiber particle hot melting process method of the claim 3, it is characterised in that: the alkalinity neutralizes
Agent is sodium hydroxide solution.
5. according to a kind of acetate fiber particle hot melting process method of the claim 3, it is characterised in that: the clear water rinses
Temperature be 80 degrees Celsius to 85 degrees Celsius.
6. according to a kind of acetate fiber particle hot melting process method of the claim 3, it is characterised in that: the activated solution
Including glacial acetic acid 25%-45%, sulfuric acid 45%-55% and water 10%-15%.
7. according to a kind of acetate fiber particle hot melting process method of the claim 1, it is characterised in that: the auxiliary addition
Agent includes starch 45%-60%, antioxidant 5%-8% and plasticizer 25%-45%.
8. according to a kind of acetate fiber particle hot melting process method of the claim 7, it is characterised in that: the starch is jade
One or more mixtures of rice starch, potato starch and tapioca.
9. according to a kind of acetate fiber particle hot melting process method of the claim 7, it is characterised in that: the plasticizer is
One of acetyl triethyl citrate, phosphate, glycerin monostearate or a variety of mixtures.
10. according to a kind of acetate fiber particle hot melting process method of the claim 1, it is characterised in that: the hot melt temperature
Degree is 180 degrees Celsius to 190 degrees Celsius, and heating rate is 5 centigrade per minutes to 7 centigrade per minutes.
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| CN201810955195.3A CN109181009A (en) | 2018-08-21 | 2018-08-21 | A kind of acetate fiber particle hot melting process method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111716777A (en) * | 2020-06-18 | 2020-09-29 | 瑞安市嘉怡眼镜有限公司 | Composite material for manufacturing spectacle frame by adopting acetate fibers and forming process thereof |
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| CN106903818A (en) * | 2017-02-24 | 2017-06-30 | 瑞安市中奥塑胶有限公司 | A kind of acetate fiber particle hot melting process method |
| WO2018139318A1 (en) * | 2017-01-25 | 2018-08-02 | 株式会社ダイセル | Cellulose acetate, cellulose acetate composition, molded article, and film |
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Application publication date: 20190111 |