CN108864715A - A kind of konjaku glucomannan earphone mantle and preparation method thereof - Google Patents
A kind of konjaku glucomannan earphone mantle and preparation method thereof Download PDFInfo
- Publication number
- CN108864715A CN108864715A CN201810793244.8A CN201810793244A CN108864715A CN 108864715 A CN108864715 A CN 108864715A CN 201810793244 A CN201810793244 A CN 201810793244A CN 108864715 A CN108864715 A CN 108864715A
- Authority
- CN
- China
- Prior art keywords
- parts
- earphone
- konjaku glucomannan
- mantle
- under conditions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/02—Direct processing of dispersions, e.g. latex, to articles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
-
- 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
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
-
- 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
- C08J2391/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2391/06—Waxes
-
- 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
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
-
- 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
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to a kind of konjaku glucomannan earphone mantles and preparation method thereof.The preparation method of konjaku glucomannan earphone mantle, including maceration extract is prepared, degassing, dipping sizing, drying, double-steeping sizing, redrying, demoulding.Konjaku glucomannan earphone mantle of the invention, using konjaku glucomannan as main carriers, utilize excellent film forming, water imbibition, water-retaining property and the biodegradable of konjaku glucomannan, it is aided with other preparations, produces the Novel earphone mantle for being bonded firm, environmental and durable, absorbable sweat with earphone.Earphone covers membrane material of the invention is not easily to fall off and biodegradable when having more stability in terms of being bonded with earphone, using compared with sponge material.The present invention has simple process, and strong operability can reach factory's batch production requirements, moreover, konjaku glucomannan is cheap, materials are convenient, at low cost.
Description
Technical field
The present invention relates to a kind of earphone mantles and preparation method thereof, and in particular to a kind of konjaku glucomannan earphone mantle and
Preparation method belongs to daily necessities field.
Background technique
Nowadays, as people's lifestyle changes, earphone has made people as the presence as a portable speaker
It is increasingly be unable to do without it, earphone material, which is worn since texture is too hard it is easy to appear long-time, now leads to showing for ear's ache
As even may cause landing when earphone is worn, to solve this problem, spring after various earphone mantles such as rain because perspiring sometimes
Appearance as bamboo shoot, but most selection for laying particular emphasis on the design of Headphone structure and ignoring its material.
Application No. is 201521112049.2 patent " a kind of earphone ear muff and equipped with the earphone of the ear muff "（The applying date：
2015.12.29）, propose a kind of preferable exhaust performance earphone ear muff that adjustable intermediate frequency, low frequency frequency response show simultaneously.Be by
Flexible ring-type sponge and the fabric being coated on outside the cyclic annular sponge are constituted, and are offered on the fabric multiple discouraged
Through-hole.Here it is the uses for optimizing earphone covers in terms of earphone structure, but ignoring its material is sponge, the earphone of sponge material
It is not firm that mantle is bonded with earphone, is easy to fall off from earphone when in use, and cannot be biodegradable, easily causes environment after discarding
Pollution.
Application No. is 201420244545.2 patent " earphones with earphone covers "（The applying date：2014.05.13）, mention
For a kind of detachable and interchangeable earphone with earphone covers, and to lay stress on Headphone structure level excellent to the progress of earphone film
Change, the soft material used by the position that earphone is contacted with ear is or flexible glue, when in use, although flexible glue is more surely
Gu but its tightness is poor, and not easily biological-degradable, can adversely affect to environment after use.
Under the background of New Environmental Protection Era, novel degradable material is constantly applied to all trades and professions, and earphone mantle is not yet
Exception, the materials such as sponge, rubber, flexible glue, silica gel, silica gel, PVC and silica gel are applied to earphone film and gradually fall behind the times hair
The demand of exhibition, konjaku glucomannan earphone mantle come into being in this context.
Summary of the invention
The object of the present invention is to provide a kind of degradable earphone mantles and preparation method thereof for being different from conventional earphone mantle.
The present invention using its water imbibition, film forming, water-retaining property, biodegradability and is aided with using konjaku glucomannan as primary raw material
Other synergist（Ditridecyl phthalate（DEHP）, xanthan gum, guar gum, sodium carboxymethylcellulose, CaCl2, stearic acid,
Paraffin, chitosan, sodium tetraborate）Good airproof performance is made, environmental-protecting performance high Novel earphone mantle good with earphone fixing.
The preparation method of konjaku glucomannan earphone mantle of the invention, it is characterised in that preparation step is as follows：
（1）Maceration extract is prepared：It is prepared by mass parts, takes 0.5-1.2 parts of sodium carboxymethylcellulose, CaCl2 0.03-0.08 parts, it is hard
0.06-1.2 parts of resin acid, 5-7 parts of paraffin and 95-100 parts of water after 1500r/min stirring and dissolving, are used under conditions of 75-80 DEG C
The NaOH of 1mol/L adjusts pH to 8-12；Add 1-2 parts of konjaku glucomannan, ditridecyl phthalate（DEHP）0.02-
0.05 part, under conditions of 75-80 DEG C, 1500r/min stirs 1.5-2h, obtains maceration extract I；Separately take 0.5-1.5 parts of chitosan shiftings
Into the acetic acid aqueous solution of 99.5-98.5 part of pH3-3.5, after 75-80 DEG C is heated and stir 10min, stearic acid 0.06- is added
1.02 parts, pH to 8-12 is adjusted with 1 mol/LNaOH；Konjaku glucomannan 1-2 parts, 0.1-0.15 parts of xanthan gum, Guar is added
0.8-1.0 parts of bean gum, 0.01-0.05 parts of sodium tetraborate, 0.02-0.05 parts of ditridecyl phthalate, in 75-80 DEG C of condition
Under, 1000r/min stirs 1.5-2h, obtains maceration extract II, spare；
The konjaku glucomannan, xanthan gum, guar gum are food-grade, solid；Sodium carboxymethylcellulose、CaCl2、Stearic acid,
Paraffin, chitosan, sodium tetraborate are chemical pure, solid；Ditridecyl phthalate（DEHP）For chemical pure, liquid.
（2）Degassing：By step（1）Maceration extract I and maceration extract II be respectively placed in centrifuge 3500r/min and be centrifuged, take off
Gas 10-25min acquires konjaku glucomannan mixed gel liquid I and konjaku glucomannan mixed gel liquid II respectively, spare；
（3）Impregnate sizing：The earphone set of model for being preheating to 40-48 DEG C is impregnated in the konjaku glucomannan mixing placed under room temperature
It in coagulant liquid I, and constantly rotates, until I uniform adhesion of konjaku glucomannan mixed gel liquid on earphone covers model surface；
（4）It is dry：By step（3）Earphone cover die after sizing is placed in baking oven 50-60 DEG C of drying to the moisture content of earphone mantle
For 25%-35%；Cooled to room temperature；
（5）Double-steeping sizing：By step（4）The earphone cover die of natural cooling is impregnated under room temperature together with sizing and places after drying
Konjaku glucomannan mixed gel liquid II in, and constantly rotate, until II uniform fold of konjaku glucomannan mixed gel liquid in
The surface of sizing on earphone cover die；
（6）Redrying：By step（5）Earphone cover die after secondary sizing is placed in 50-60 DEG C of baking oven, dry to earphone covers
The moisture content of film is 5%-7%；It then cools to room temperature；
（7）Demoulding：Earphone mantle is unloaded from mold.
Konjaku glucomannan earphone mantle of the invention utilizes konjaku Portugal mainly using konjaku glucomannan as main carriers
The properties such as excellent film forming, water imbibition, water-retaining property and the biodegradable of sweet glycan, while being auxiliary with other reagents,
Produce the Novel earphone mantle that firm, environmental and durable, absorbable sweat is bonded with earphone.The development of earphone mantle is always being tied
Structure optimization aspect obtains many progress, but often ignores important function possessed by its material application optimization aspect, uses konjaku
Main material of the Glucomannan as earphone mantle has largely expanded the optimization of earphone mantle, earphone mantle of the invention
Material has more stability compared with sponge material in terms of being bonded with earphone, not easily to fall off when in use, biological can also drop
Solution, is a kind of environment-friendly materials, is consistent with the themes of the times of protection environment now, and manufacture craft is simple, strong operability,
Factory's batch production can more be reached, in addition, konjaku glucomannan is cheap, materials are convenient, low manufacture cost.
This invention impregnates sizing in two times, and single-steeping sizing is used to form the outer layer of earphone mantle, carboxymethyl cellulose
Plain sodium is used as adhesive in daily chemical industry, anti-dignified dose of its addition again is conducive to form a film, and prevents the earphone covers of production
The meshed appearance of film surface, CaCl2The thermal stability of gel can be enhanced, stearic acid can enhance earphone mantle water preventing ability, adjacent
Ester has good plasticization effect.The resistance that addition paraffin can either enhance earphone mantle outer layer moist can also be promoted
Its tensile strength.Double-steeping sizing is used to form the internal layer of earphone mantle, and guar gum can be promoted by adding a small amount of sodium tetraborate
Formed gel, after then xanthan gum, guar gum, chitosan are blended with konjak portuguese gansu polyose, it is intermolecular alternate to be formed it is new
Network, enables earphone covers film inner layer absorbing sweat, and while wearing is ventilative comfortable.
Earphone mantle obtained is done into following performance test：
（1）Water imbibition
By konjaku glucomannan earphone mantle and common headphones mantle（Sponge, silica gel, rubber, flexible glue, silica gel, silica gel, PVC）It sets
In clear water, makees 10 minutes water absorption rates and compare.
（2）Stability is bonded with earphone
Konjaku glucomannan earphone mantle and various earphone mantle are respectively sleeved in on a earphone, its set and jail are compared in observation
By degree.
（3）Biological degradability
Earphone mantle is buried 30 days, is tested using soil burying.
By test, excellent with konjaku glucomannan earphone mantle properties of the invention, index is more than commercially available
Common headphones mantle, alternative existing earphone mantle.
The konjaku glucomannan earphone mantle of the invention of table 1 and existing earphone mantle correlated performance test comparison on the market
As a result
By above-mentioned test comparison, konjaku glucomannan earphone mantle of the invention, material, with earphone fixing, absorption of perspiration,
All other earphone mantles are more excellent more on the market in the indexs such as cost of material, potential market and the feature of environmental protection, can become of new generation and each
The Novel earphone mantle of formula earphone collocation.
Invention is further described in detail combined with specific embodiments below for specific embodiment.
A kind of preparation method of the konjaku glucomannan earphone mantle of embodiment 1
A kind of preparation method of konjaku glucomannan earphone mantle, includes the following steps：
（1）Maceration extract is prepared：It is prepared by mass parts, takes sodium carboxymethylcellulose 0.5, CaCl2 0.03 part, 0.06 part of stearic acid,
5 parts of paraffin and 100 parts of water, under conditions of 75 DEG C, after 1500r/min stirring and dissolving, with the NaOH of 1mol/L adjust pH to
8-12；Add 1 part of konjaku glucomannan, ditridecyl phthalate（DEHP）0.02 part, under conditions of 75 DEG C, 1500r/
Min stirs 1.5h, obtains maceration extract I；It separately takes in 0.5 part of chitosan 99.5 parts of acetic acid aqueous solution for moving to pH3, in 75 DEG C of items
After heating under part and stirring 10min, it is added 0.06 part of stearic acid, adjusts pH to 8 with 1 mol/LNaOH；Konjak portuguese gansu polyose is added
Sugared 1 part, 0.1 part of xanthan gum, 0.8 part of guar gum, 0.01 part of sodium tetraborate, 0.02 part of ditridecyl phthalate, 75 DEG C of item
1000r/min stirs 1.5h under part, obtains maceration extract II, spare；
（2）Degassing：By step（1）Obtained maceration extract I and maceration extract II is respectively placed in 3000r/min in centrifuge and is centrifuged, take off
Gas 15min obtains konjaku glucomannan mixed gel liquid I and konjaku glucomannan mixed gel liquid II；
（3）Impregnate sizing：It is solidifying that the earphone set of model for being preheating to 40 DEG C is impregnated in the konjaku glucomannan mixing placed under room temperature
It in glue I, and constantly rotates, until the uniform suspension on earphone covers model surface adheres to；
（4）It is dry：By step（3）It is 25% that earphone cover die after sizing, which is placed in 50 DEG C of dryings to earphone mantle moisture content in baking oven,
Cooled to room temperature afterwards；
（5）Double-steeping sizing：By step（4）Earphone cover die after cooling is impregnated in the konjaku placed under room temperature together with sizing
It in Glucomannan mixed gel liquid II, and constantly rotates, until II uniform fold of konjaku glucomannan mixed gel liquid is in earphone covers
On the surface of sizing on mould；
（6）Redrying：By step（5）It is aqueous to earphone mantle that earphone cover die after secondary sizing is placed in 50 DEG C of dryings in baking oven
Rate is 5%, cooled to room temperature；
（7）Demoulding：Earphone mantle is unloaded from earphone mould.
A kind of preparation method of the konjaku glucomannan earphone mantle of embodiment 2
A kind of preparation method of konjaku glucomannan earphone mantle, includes the following steps：
（1）Maceration extract is prepared：It is prepared by mass parts, takes 0.7 part of sodium carboxymethylcellulose, CaCl2 0.05 part, stearic acid 0.08
Part, 6 parts of paraffin and 98 parts of water after 1500r/min stirring and dissolving, adjust pH with the NaOH of 1mol/L under conditions of 75 DEG C
To 8；Add 1.5 parts of konjaku glucomannan, ditridecyl phthalate（DEHP）0.03 part, the 1500r/ under conditions of 75 DEG C
Min stirs 1.5h, obtains maceration extract I；It separately takes in 1 part of chitosan 99 parts of acetic acid aqueous solution for moving to pH3,75 DEG C are heated and stirred
After 10min, it is added 0.08 part of stearic acid, adjusts pH to 8 with 1 mol/LNaOH；1.5 parts of konjaku glucomannan, xanthan gum is added
0.12 part, 0.9 part of guar gum, 0.01-0.05 parts of sodium tetraborate, 0.03 part of ditridecyl phthalate, under conditions of 75 DEG C,
1000r/min stirs 1.5h, obtains maceration extract II, spare；
（2）Degassing：By step（1）Obtained maceration extract I and maceration extract II is respectively placed in 3000r/min in centrifuge and is centrifuged, take off
Gas 15min obtains konjaku glucomannan mixed gel liquid I and konjaku glucomannan mixed gel liquid II；
（3）Impregnate sizing：It is solidifying that the earphone set of model for being preheating to 40 DEG C is impregnated in the konjaku glucomannan mixing placed under room temperature
It in glue I, and constantly rotates, until the uniform suspension on earphone covers model surface adheres to；
（4）It is dry：By step（3）It is 30% that earphone cover die after sizing, which is placed in 50 DEG C of dryings to earphone mantle moisture content in baking oven,
Cooled to room temperature afterwards；
（5）Double-steeping sizing：By step（4）Earphone cover die after cooling is impregnated in the konjaku placed under room temperature together with sizing
It in Glucomannan mixed gel liquid II, and constantly rotates, until II uniform fold of konjaku glucomannan mixed gel liquid is in earphone covers
On the surface of sizing on mould；
（6）Redrying：By step（5）It is aqueous to earphone Membrane cover that earphone cover die after secondary sizing is placed in 50 DEG C of dryings in baking oven
Rate is 6%, cooled to room temperature；
（7）Demoulding：Earphone mantle is unloaded from earphone mould.
A kind of preparation method of the konjaku glucomannan earphone mantle of embodiment 3
A kind of preparation method of konjaku glucomannan earphone mantle, includes the following steps：
（1）Maceration extract is prepared：It is prepared by mass parts, takes 1 part of sodium carboxymethylcellulose, CaCl2 0.08 part, 1.2 parts of stearic acid,
7 parts and 95 parts of water of paraffin, under conditions of 75 DEG C, after 1500r/min stirring and dissolving, pH to 8 is adjusted with the NaOH of 1mol/L；
Add 1.5 parts of konjaku glucomannan, ditridecyl phthalate（DEHP）0.05 part, under conditions of 75 DEG C, 1500r/min is stirred
1.5h is mixed, maceration extract I is obtained；It separately takes in 1.5 parts of chitosan 98.5 parts of acetic acid aqueous solutions for moving to pH3,75 DEG C are heated and stirred
After 10min, it is added 0.08 part of stearic acid, adjusts pH to 8 with 1 mol/LNaOH；2 parts of konjaku glucomannan, xanthan gum is added
0.15 part, 1.0 parts of guar gum, 0.05 part of sodium tetraborate, 0.05 part of ditridecyl phthalate, under conditions of 75 DEG C,
1000r/min stirs 1.5h, obtains maceration extract II, spare；
（2）Degassing：By step（1）Obtained maceration extract I and maceration extract II is respectively placed in 3000r/min in centrifuge and is centrifuged, take off
Gas 15min obtains konjaku glucomannan mixed gel liquid I and konjaku glucomannan mixed gel liquid II；
（3）Impregnate sizing：It is solidifying that the earphone set of model for being preheating to 40 DEG C is impregnated in the konjaku glucomannan mixing placed under room temperature
It in glue I, and constantly rotates, until the uniform suspension on earphone covers model surface adheres to；
（4）It is dry：By step（3）It is 30% that earphone cover die after sizing, which is placed in 50 DEG C of dryings to earphone mantle moisture content in baking oven,
Cooled to room temperature afterwards；
（5）Double-steeping sizing：By step（4）Earphone cover die after cooling is impregnated in the konjaku placed under room temperature together with sizing
It in Glucomannan mixed gel liquid II, and constantly rotates, until II uniform adhesion of konjaku glucomannan mixed gel liquid is being covered in
On the surface of sizing on earphone cover die；
（6）Redrying：By step（5）It is aqueous to earphone Membrane cover that earphone cover die after secondary sizing is placed in 50 DEG C of dryings in baking oven
Rate is 7%, cooled to room temperature；
（7）Demoulding：Earphone mantle is unloaded from earphone mould.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, is all covered by the present invention.
Claims (5)
1. a kind of preparation method of konjaku glucomannan earphone mantle, it is characterised in that preparation step is as follows：
（1）Maceration extract is prepared：It is prepared by mass parts, takes 0.5-1.2 parts of sodium carboxymethylcellulose, CaCl2 0.03-0.08 parts, it is hard
0.06-1.2 parts of resin acid, 5-7 parts of paraffin and 95-100 parts of water, under conditions of 75-80 DEG C, after 1500r/min stirring and dissolving,
PH to 8-12 is adjusted with the NaOH of 1mol/L；Add 1-2 parts of konjaku glucomannan, ditridecyl phthalate 0.02-0.05
Part, under conditions of 75-80 DEG C, 1500r/min stirs 1.5-2h, obtains maceration extract I；Separately 0.5-1.5 parts of chitosan are taken to move to
In the acetic acid aqueous solution of 99.5-98.5 part of pH3-3.5, after 75-80 DEG C is heated and stir 10min, stearic acid 0.06- is added
1.02 parts, pH to 8-12 is adjusted with 1 mol/LNaOH；Konjaku glucomannan 1-2 parts, 0.1-0.15 parts of xanthan gum, Guar is added
0.8-1.0 parts of bean gum, 0.01-0.05 parts of sodium tetraborate, 0.02-0.05 parts of ditridecyl phthalate, in 75-80 DEG C of condition
Under, 1000r/min stirs 1.5-2h, obtains maceration extract II, spare；
（2）Degassing：By step（1）Maceration extract I and maceration extract II be respectively placed in centrifuge, 3500r/min centrifugation, degassing
10-25min acquires konjaku glucomannan mixed gel liquid I and konjaku glucomannan mixed gel liquid II respectively, spare；
（3）Impregnate sizing：The earphone set of model for being preheating to 40-48 DEG C is impregnated in the konjaku glucomannan mixing placed under room temperature
It in coagulant liquid I, and constantly rotates, until I uniform adhesion of konjaku glucomannan mixed gel liquid on earphone covers model surface；
（4）It is dry：By step（3）Earphone cover die after sizing is placed in baking oven 50-60 DEG C of drying to the moisture content of earphone mantle
For 25%-35%；Cooled to room temperature；
（5）Double-steeping sizing：By step（4）The earphone cover die of natural cooling is impregnated under room temperature together with sizing and places after drying
Konjaku glucomannan mixed gel liquid II in, and constantly rotate, until II uniform fold of konjaku glucomannan mixed gel liquid in
The surface of sizing on earphone cover die；
（6）Redrying：By step（5）Earphone cover die after secondary sizing is placed in 50-60 DEG C of baking oven, dry to earphone covers
The moisture content of film is 5%-7%；It then cools to room temperature；
（7）Demoulding：Earphone mantle is unloaded from mold.
2. a kind of preparation method of konjaku glucomannan earphone mantle according to claim 1, it is characterised in that the leaching
Stain liquid is prepared：It is prepared by mass parts, takes sodium carboxymethylcellulose 0.5, CaCl2 0.03 part, 0.06 part of stearic acid, 5 parts of paraffin and
100 parts of water, under conditions of 75 DEG C, after 1500r/min stirring and dissolving, pH to 8-12 is adjusted with the NaOH of 1mol/L；Again plus
Enter 1 part of konjaku glucomannan, 0.02 part of ditridecyl phthalate, under conditions of 75 DEG C, 1500r/min stirs 1.5h, must soak
Stain liquid I；It separately takes in 0.5 part of chitosan 99.5 parts of acetic acid aqueous solution for moving to pH3, heats and stir under the conditions of 75 DEG C
After 10min, it is added 0.06 part of stearic acid, adjusts pH to 8 with 1 mol/LNaOH；1 part of konjaku glucomannan, xanthan gum 0.1 is added
Part, 0.8 part of guar gum, 0.01 part of sodium tetraborate, 0.02 part of ditridecyl phthalate, 1000r/min is stirred under conditions of 75 DEG C
1.5h is mixed, maceration extract II is obtained.
3. a kind of preparation method of konjaku glucomannan earphone mantle according to claim 1, it is characterised in that the leaching
Stain liquid is prepared：It is prepared by mass parts, takes 0.7 part of sodium carboxymethylcellulose, CaCl2 0.05 part, 0.08 part of stearic acid, 6 parts of paraffin
With 98 parts of water, under conditions of 75 DEG C, after 1500r/min stirring and dissolving, adjust pH to 8 with the NaOH of 1mol/L；It adds
1.5 parts of konjaku glucomannan, 0.03 part of ditridecyl phthalate, 1500r/min stirs 1.5h under conditions of 75 DEG C, must impregnate
Liquid I；It separately takes in 1 part of chitosan 99 parts of acetic acid aqueous solution for moving to pH3, after 75 DEG C are heated and stir 10min, stearic acid is added
0.08 part, pH to 8 is adjusted with 1 mol/LNaOH；1.5 parts of konjaku glucomannan, 0.12 part of xanthan gum, guar gum 0.9 is added
Part, 0.01-0.05 parts of sodium tetraborate, 0.03 part of ditridecyl phthalate, under conditions of 75 DEG C, 1000r/min stirs 1.5h,
Obtain maceration extract II.
4. a kind of preparation method of konjaku glucomannan earphone mantle according to claim 1, it is characterised in that the leaching
Stain liquid is prepared：It is prepared by mass parts, takes 1 part of sodium carboxymethylcellulose, CaCl2 0.08 part, 1.2 parts of stearic acid, 7 parts of paraffin and water
95 parts, under conditions of 75 DEG C, after 1500r/min stirring and dissolving, pH to 8 is adjusted with the NaOH of 1mol/L；Add konjaku Portugal
1.5 parts of sweet glycan, 0.05 part of ditridecyl phthalate, under conditions of 75 DEG C, 1500r/min stirs 1.5h, obtains maceration extract I；
It separately takes in 1.5 parts of chitosan 98.5 parts of acetic acid aqueous solutions for moving to pH3, after 75 DEG C are heated and stir 10min, stearic acid is added
0.08 part, pH to 8 is adjusted with 1 mol/LNaOH；Be added 2 parts of konjaku glucomannan, 0.15 part of xanthan gum, 1.0 parts of guar gum,
0.05 part of sodium tetraborate, 0.05 part of ditridecyl phthalate, under conditions of 75 DEG C, 1000r/min stirs 1.5h, obtains maceration extract
Ⅱ。
5. the konjaku glucomannan earphone mantle that either as described in claim 1-4 prepared by method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793244.8A CN108864715A (en) | 2018-07-19 | 2018-07-19 | A kind of konjaku glucomannan earphone mantle and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793244.8A CN108864715A (en) | 2018-07-19 | 2018-07-19 | A kind of konjaku glucomannan earphone mantle and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108864715A true CN108864715A (en) | 2018-11-23 |
Family
ID=64303231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810793244.8A Pending CN108864715A (en) | 2018-07-19 | 2018-07-19 | A kind of konjaku glucomannan earphone mantle and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108864715A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111084116A (en) * | 2020-01-21 | 2020-05-01 | 福建农林大学 | Konjac glucomannan bionic pet molar stick and preparation method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492335A (en) * | 2011-12-21 | 2012-06-13 | 福建农林大学 | Disposable sweat-absorbing antibacterial glove and prepetition method thereof |
| CN102863850A (en) * | 2012-09-04 | 2013-01-09 | 福建农林大学 | Disposable rain-proof antibacterial shoe covers and preparation method thereof |
| CN102860650A (en) * | 2012-09-04 | 2013-01-09 | 福建农林大学 | Water-absorbing antibacterial hair-drying hat and preparation method thereof |
| CN102937841A (en) * | 2012-11-20 | 2013-02-20 | 福建农林大学 | Sweat-absorbent antifouling film-sprayed mouse and preparation method thereof |
| CN102942713A (en) * | 2012-11-20 | 2013-02-27 | 福建农林大学 | Antibacterial and anti-aging mobile phone casing protective cover and manufacturing method thereof |
| CN103232619A (en) * | 2013-04-02 | 2013-08-07 | 福建农林大学 | Antibacterial and moisture preserving sock and preparation method thereof |
| CN103303020A (en) * | 2013-05-08 | 2013-09-18 | 福建农林大学 | Konjak gulcomannan printing thin film and preparation method thereof |
| CN103788420A (en) * | 2014-01-10 | 2014-05-14 | 福建农林大学 | Disposable outdoor sports socks and preparation method thereof |
| CN103788421A (en) * | 2014-01-10 | 2014-05-14 | 福建农林大学 | Disposable movement tooth protecting socket and preparation method thereof |
| CN104927074A (en) * | 2015-07-03 | 2015-09-23 | 福建农林大学 | Konjac glucomannan sticking membrane used for sanitary travel sleeping bag and preparation method for konjac glucomannan sticking membrane |
| CN105054565A (en) * | 2015-07-03 | 2015-11-18 | 福建农林大学 | Konjac glucomannan double eyelid sticker and preparation method thereof |
| CN105175797A (en) * | 2015-10-29 | 2015-12-23 | 福建农林大学 | Sweat-absorbing antibacterial heightening insole and preparation method thereof |
-
2018
- 2018-07-19 CN CN201810793244.8A patent/CN108864715A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492335A (en) * | 2011-12-21 | 2012-06-13 | 福建农林大学 | Disposable sweat-absorbing antibacterial glove and prepetition method thereof |
| CN102863850A (en) * | 2012-09-04 | 2013-01-09 | 福建农林大学 | Disposable rain-proof antibacterial shoe covers and preparation method thereof |
| CN102860650A (en) * | 2012-09-04 | 2013-01-09 | 福建农林大学 | Water-absorbing antibacterial hair-drying hat and preparation method thereof |
| CN102937841A (en) * | 2012-11-20 | 2013-02-20 | 福建农林大学 | Sweat-absorbent antifouling film-sprayed mouse and preparation method thereof |
| CN102942713A (en) * | 2012-11-20 | 2013-02-27 | 福建农林大学 | Antibacterial and anti-aging mobile phone casing protective cover and manufacturing method thereof |
| CN103232619A (en) * | 2013-04-02 | 2013-08-07 | 福建农林大学 | Antibacterial and moisture preserving sock and preparation method thereof |
| CN103303020A (en) * | 2013-05-08 | 2013-09-18 | 福建农林大学 | Konjak gulcomannan printing thin film and preparation method thereof |
| CN103788420A (en) * | 2014-01-10 | 2014-05-14 | 福建农林大学 | Disposable outdoor sports socks and preparation method thereof |
| CN103788421A (en) * | 2014-01-10 | 2014-05-14 | 福建农林大学 | Disposable movement tooth protecting socket and preparation method thereof |
| CN104927074A (en) * | 2015-07-03 | 2015-09-23 | 福建农林大学 | Konjac glucomannan sticking membrane used for sanitary travel sleeping bag and preparation method for konjac glucomannan sticking membrane |
| CN105054565A (en) * | 2015-07-03 | 2015-11-18 | 福建农林大学 | Konjac glucomannan double eyelid sticker and preparation method thereof |
| CN105175797A (en) * | 2015-10-29 | 2015-12-23 | 福建农林大学 | Sweat-absorbing antibacterial heightening insole and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111084116A (en) * | 2020-01-21 | 2020-05-01 | 福建农林大学 | Konjac glucomannan bionic pet molar stick and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103571012A (en) | Waterproof air-permeable plastic film, and preparation method and application thereof | |
| CN105614973B (en) | A kind of bone free brassiere wrapping process | |
| CN104098794B (en) | A kind of cm-chitosan-Starch-Polyvinyl Alcohol blend film | |
| WO2014015611A1 (en) | Biodegradable temperature resistant material containing fiber base and polylactic acid and method for preparing same | |
| CN201399931Y (en) | Fabric for shoes and boots | |
| CN104927318A (en) | Degradable plastic packaging bag | |
| CN107652482A (en) | A kind of degradable high-elastic sponge and its preparation technology | |
| CN103739962A (en) | Polyolefin microporous air-permeable membrane and preparation method thereof | |
| CN103571013A (en) | Water resistible and breathable plastic film with drying function as well as preparation method and application thereof | |
| CN108864715A (en) | A kind of konjaku glucomannan earphone mantle and preparation method thereof | |
| CN108285556A (en) | A kind of plant polyose aeroge absorbing sound and lowering noise material and preparation method | |
| CN109233162A (en) | One kind being packed for environment-friendly type degradable composite membrane and preparation method thereof | |
| CN104672702A (en) | PVC (Polyvinyl Chloride) paste for PVC suede wallpaper and preparation method thereof | |
| CN105292702A (en) | Pearl wool bag for packaging precision instrument | |
| CN107513197A (en) | A kind of waterproof and breathable curtain coating film composite material and preparation method thereof | |
| CN108705784A (en) | A kind of manufacturing method of ventilating water proof woven bag | |
| CN104473499A (en) | Ultralight space cotton mattress and making process thereof | |
| CN102942713A (en) | Antibacterial and anti-aging mobile phone casing protective cover and manufacturing method thereof | |
| CN110511458A (en) | A kind of heat-insulated covering and preparation method thereof | |
| CN108673982A (en) | A kind of manufacturing method of Environment-friendlywoven woven bag | |
| CN104760346A (en) | Processing process of composite fabric | |
| CN207117895U (en) | A kind of infantees structure earphone | |
| CN203779980U (en) | Water-resistant air-permeable polyurethane composite film | |
| CN102372867B (en) | Special material for ultrathin cast film | |
| CN108468224A (en) | A kind of preparation method of waterproof moisture-penetrating urethane slurry and waterproof moisture-penetrating urethane synthetic leather |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |
|
| RJ01 | Rejection of invention patent application after publication |