CN208201298U - A kind of degradable magnetic polylactic acid clean wiping cloth - Google Patents
A kind of degradable magnetic polylactic acid clean wiping cloth Download PDFInfo
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- CN208201298U CN208201298U CN201820157432.7U CN201820157432U CN208201298U CN 208201298 U CN208201298 U CN 208201298U CN 201820157432 U CN201820157432 U CN 201820157432U CN 208201298 U CN208201298 U CN 208201298U
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- polylactic acid
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- ferric oxide
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- 229920000747 poly(lactic acid) Polymers 0.000 title claims abstract description 179
- 239000004626 polylactic acid Substances 0.000 title claims abstract description 179
- 239000004744 fabric Substances 0.000 title claims description 46
- 239000000835 fiber Substances 0.000 claims abstract description 68
- 238000010521 absorption reaction Methods 0.000 claims abstract description 41
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 229920001131 Pulp (paper) Polymers 0.000 claims description 38
- 229920002678 cellulose Polymers 0.000 claims description 37
- 239000001913 cellulose Substances 0.000 claims description 37
- 230000015556 catabolic process Effects 0.000 claims description 33
- 238000006731 degradation reaction Methods 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 30
- 239000002250 absorbent Substances 0.000 claims description 23
- 230000002745 absorbent Effects 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000002360 preparation method Methods 0.000 abstract description 38
- 230000000694 effects Effects 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 9
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- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 245
- 229940056319 ferrosoferric oxide Drugs 0.000 description 123
- 239000004594 Masterbatch (MB) Substances 0.000 description 50
- 239000007822 coupling agent Substances 0.000 description 45
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 40
- 238000002156 mixing Methods 0.000 description 33
- 239000000843 powder Substances 0.000 description 29
- 239000002131 composite material Substances 0.000 description 26
- 239000003085 diluting agent Substances 0.000 description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 20
- 238000002844 melting Methods 0.000 description 17
- 230000008018 melting Effects 0.000 description 17
- 238000001125 extrusion Methods 0.000 description 16
- 239000012752 auxiliary agent Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 15
- 150000001875 compounds Chemical class 0.000 description 14
- 238000001816 cooling Methods 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- 238000001035 drying Methods 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 239000006087 Silane Coupling Agent Substances 0.000 description 10
- 235000011187 glycerol Nutrition 0.000 description 10
- 239000000047 product Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 238000007664 blowing Methods 0.000 description 6
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- 230000003014 reinforcing effect Effects 0.000 description 6
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- 239000004033 plastic Substances 0.000 description 5
- 239000004014 plasticizer Substances 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 5
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- -1 poly- Lactyl ferroso-ferric oxide Chemical compound 0.000 description 1
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Landscapes
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model relates to a kind of degradable magnetic polylactic acid clean wiping cloths, magnetic degraded layer and moisture absorption layer including layered distribution, are connected between magnetic degraded layer and moisture absorption layer by fiber.The utility model preparation method is simple, easily operated；Spunbond raw material used is completely biologically degraded, environmentally friendly after product abandonment；The wiper of preparation has preferable wiping properties；The wiper of preparation has preferable antistatic effect, it is therefore prevented that the electrostatic effect generated in wiping process is effectively avoided to secondary injury caused by instrument and equipment etc..
Description
Technical field
The utility model relates to a kind of degradable magnetic polylactic acid clean wiping cloth, specially a kind of magnetic ferroferric oxides
Polylactic acid spunbond/spun lacing composite clean wiper.
Background technique
In health care, it is often necessary to which some cleaning cloths wipe the body fluid of hospitalized patients and the blood of patient.This
Outside, the industries such as some semiconductors, liquid crystal display, electronic device and precision instrument and equipment are in use since electrostatic is made
With, a large amount of dust particles of its adsorption can be made, it, can be certain to device generation if these particles are handled completely not in time
Loss, to greatly shorten the service life of product.In order to reduce these dusts as far as possible to the loss of device and instrument,
Usually after equal uses, the dust on surface can be handled using this simple direct mode of wiper.
In the clean wiping cloth material of numerous kinds, non-woven clean wiping cloth because its with it is quality-high and inexpensive, be easy to take
Band, the functional and diversified feature of product form, have obtained eruptive growth in recent years.Wherein, spun-bond process is knitted as non-
A kind of relatively more extensive method of middle production wiper application is made, mostly uses thermoplasticity polyester as raw material to prepare wiper,
That there is feels is not soft enough in addition to having for product, and poor air permeability, has been easy the problems such as electrostatic at surface hydrophobicity, leads to its wiping
While performance is bad, since the electrostatic interaction generated in wiping process can also be lost the generations such as instrument.Spun lacing method is the later period
A kind of processing method for non-woven material that new development comes out, mostly uses wood pulp as raw material, and the product of production relaxes with feel
The disadvantages of advantage suitable, pliability is good, but it is insufficient to there is strength again simultaneously, easily falls Soft flocks, poor flexibility.
With the fast development of science and technology, the industries such as health care, pharmacy, electronic product, precision instrument manufacture are to clean
The requirement of net environment is also increasingly harsher, and then the requirement to used clean wiping cloth is also higher and higher, therefore for height
The research and development of performance environmental type clean wiping cloth are also to have sizable meaning and latent scape.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of degradable magnetism
Polylactic acid clean wiping cloth.The degradable magnetic polylactic acid clean wiping cloth also has while not only having preferable wiping properties
There are good dust removing effects and antistatic effect, after use, the removal process of wiper is also environmentally protective.
The technical scheme in the invention for solving the above technical problem is: a kind of degradable magnetic polylactic acid clean wiping
Cloth, it is characterised in that: magnetic degraded layer and moisture absorption layer including layered distribution, magnetic degraded layer include magnetic degradation of fibers, are inhaled
Wet layer includes water absorbent fiber, and magnetic degradation of fibers is intertwine with each other with water absorbent fiber, passes through magnetic between magnetic degraded layer and moisture absorption layer
Property degradation of fibers is connect with water absorbent fiber.
The fibre diameter of magnetism degradation of fibers described in the utility model and the fibre diameter of water absorbent fiber are 20-30 μm.
The porosity of the utility model moisture absorption layer is less than the porosity of magnetic degraded layer.
The material of moisture absorption layer described in the utility model is wood pulp cellulose.
A kind of preparation method of degradable magnetic polylactic acid clean wiping cloth, characterized by the following steps:
Step is 1.: the preparation of polylactic acid base ferroso-ferric oxide composite master batch: to polylactic acid master batch and ferroso-ferric oxide powder
It is dried；Ferroso-ferric oxide powder is infiltrated using auxiliary agent, polylactic acid master batch is then added and is stirred mixing, shape
At polylactic acid base ferroso-ferric oxide mixture；Melting extrusion is carried out to polylactic acid base ferroso-ferric oxide mixture with twin-screw to be formed
The compound master bar of polylactic acid base ferroso-ferric oxide, the compound master bar of polylactic acid base ferroso-ferric oxide is cooling through air, is then cut into grain,
Obtain polylactic acid base ferroso-ferric oxide composite master batch；By being blended in advance, to prepare poly- cream/ferroso-ferric oxide with two step of melt blending multiple
Master batch is closed, at a temperature of 80 DEG C, the first of ferroso-ferric oxide particle, auxiliary agent and polylactic acid is realized under the shearing of high-speed mixer
Step mixing.Carry out melting extrusion blending on the basis of pre- be blended, blending when for preventing material from directly carrying out melting extrusion
The Partial digestion of material effectively prevents link material when extruding pelletization and hinders, while substantially improving inorganic particulate in polylactic acid base
Dispersibility in body.
Step is 2.: the preparation of polylactic acid base ferroso-ferric oxide spun-bonded non-woven: the polylactic acid base four of preparation is aoxidized three
Iron composite master batch feeds spunbond machine, and polylactic acid base ferroso-ferric oxide composite master batch successively passes through melt after screw rod melt extruded
Filtering and metering pump-metered, are sprayed by the spinneret orifice of spunbond machine die head, and the lapping after cooling blowing and air drawing is formed poly-
Lactyl ferroso-ferric oxide spun-bonded non-woven；Polylactic acid base ferroso-ferric oxide spun-bonded non-woven is as magnetic degraded layer；
Step is 3.: degradable magnetic polylactic acid clean wiping cloth: after pulp is made in wood pulp cellulose, be laid in step 2. in
On the polylactic acid base ferroso-ferric oxide spun-bonded non-woven of preparation, wood pulp cellulose is through spun lacing and polylactic acid base ferroso-ferric oxide spunbond
Non-woven cloth tangles after reinforcing, up to required degradable magnetic polylactic acid clean wiping cloth after successively carrying out drying and winding；
During spun lacing, wood pulp cellulose is intertwine with each other with the fiber in polylactic acid base ferroso-ferric oxide spun-bonded non-woven.With with tradition
Polyester and Fypro comparison, acid fiber by polylactic itself have the characteristics that preferable feel and drapability, biodegradable.
In addition, the good hydrophily of ferroso-ferric oxide itself and electrostatic screening effect, and wood pulp cellulose have good hygroscopicity and
Pliability, the wiper prepared through spun-bonded spunlace composite algorithm have just had both a series of above-mentioned stated performances.The utility model
Middle polylactic acid is melt-blown grade polylactic acid, and melt index is 70-85g/10min (210 DEG C), and fusing point is 160-170 DEG C.Four oxidations three
The partial size of iron is 600nm-1.5 μm.
The utility model step 1. in, the quality of ferroso-ferric oxide powder is the 1-7% of polylactic acid master batch quality.
The utility model step 1. in, auxiliary agent includes coupling agent and diluent.The effect of coupling agent is to improve four oxidations three
Compatibility between iron particle and polylactic acid high molecular material improves its dispersibility in polylactic acid, can choose titanate esters
And silane coupling agent.The effect of diluent is dilution coupling agent, improves the dispersion of coupling agent in the blend, titanate coupling agent
Common diluent has glycerine or atoleine.
Coupling agent described in the utility model is titanate esters, and diluent is atoleine.The reason of coupling agent preferred titanate esters
It is relative to silane coupling agent, titanate coupling agent can be while linking ferroso-ferric oxide and polylactic acid in ferroso-ferric oxide
Surface forms a tunic, is both coupling agent and plasticizer.For the reason of diluent preferred liquid paraffin, is opposite glycerine,
Atoleine can also play the role of external lubricant other than it titanate esters can be kept fully dispersed, can reduce processing
Frictional force between plastic melt and screw rod and extruder inner wall in the process, to realize the purpose for being easier to processing and forming.
The quality of titanate esters described in the utility model is the 3% of ferroso-ferric oxide powder quality, and the quality of atoleine is
3 times of titanate esters quality.
The utility model step 2. in, the temperature of screw rod melt extruded is 200-240 DEG C.
The utility model step 3. in, according to the mass fraction, wood pulp cellulose be 50 parts, polylactic acid base ferroso-ferric oxide spunbond
Non-woven cloth is 50 parts.
Compared with the prior art, the utility model has the following advantages: 1. preparation methods are simple, easily operated；Used in 2.
Spunbond raw material is completely biologically degraded, environmentally friendly after product abandonment；3. the wiper of preparation has preferable wiping
Performance；4. the wiper of preparation has preferable antistatic effect, it is therefore prevented that the electrostatic effect generated in wiping process, effectively
Avoid to secondary injury caused by instrument and equipment etc..
Detailed description of the invention
Fig. 1 is the SEM figure of the magnetic degraded layer of the utility model embodiment 4.
Fig. 2 is the SEM figure of 4 moisture absorption layer of the utility model embodiment.
Fig. 3 is 4 degradable magnetic polylactic acid clean wiping cloth longitudinal section SEM of the utility model embodiment figure.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment 1.
The present embodiment is a kind of degradable magnetic polylactic acid clean wiping cloth, magnetic degraded layer and suction including layered distribution
Wet layer, magnetic degraded layer include magnetic degradation of fibers, and moisture absorption layer includes water absorbent fiber, and magnetic degradation of fibers and water absorbent fiber are mutual
It tangles, is connect by magnetic degradation of fibers with water absorbent fiber between magnetic degraded layer and moisture absorption layer.Wherein magnetic degraded layer is used for
Electrostatic is shielded, while being capable of degradation environment protection.Moisture absorption layer is for absorbing moisture.
Preferably, the fibre diameter of magnetic degradation of fibers and the fibre diameter of water absorbent fiber are 20-30 μm.
The porosity of moisture absorption layer is less than the porosity of magnetic degraded layer.
Preferably, the material of moisture absorption layer is wood pulp cellulose.Wood pulp cellulose has preferable hygroscopicity.
The present embodiment additionally provides the preparation method of degradable magnetic polylactic acid clean wiping cloth, includes the following steps.
Step is 1.: the preparation of polylactic acid base ferroso-ferric oxide composite master batch.Wherein, the compound mother of polylactic acid base ferroso-ferric oxide
The preparation of grain includes pre- blending and melt blending.
It is pre- to be blended: polylactic acid master batch and ferroso-ferric oxide powder are separately dried 12 hours and 3 hours at 80 DEG C in proportion,
The ferroso-ferric oxide powder of drying is put into high-speed mixer, after stirring 5min in advance, is proportionally added into auxiliary agent stirring 15
Min infiltrates ferroso-ferric oxide powder surface, adds the polylactic acid master batch that corresponding proportion has been dried, the high speed at 80 DEG C
5min is stirred in mixing machine, forms polylactic acid base ferroso-ferric oxide mixture.
The quality of ferroso-ferric oxide powder is the 1-7% of polylactic acid master batch quality.
Preferably, the quality of ferroso-ferric oxide powder is the 1% of polylactic acid master batch quality in the present embodiment.
Auxiliary agent includes coupling agent and diluent.The effect of coupling agent is to improve ferroso-ferric oxide particle and polylactic acid macromolecule
Compatibility between material improves its dispersibility in polylactic acid, can choose titanate esters and silane coupling agent.Diluent
Effect is dilution coupling agent, improves the dispersion of coupling agent in the blend, and the common diluent of titanate coupling agent has glycerine
Or atoleine.
Preferably, the present embodiment coupling agent is titanate esters, diluent is atoleine.The original of the preferred titanate esters of coupling agent
Because being relative to silane coupling agent, titanate coupling agent can aoxidize three four while linking ferroso-ferric oxide and polylactic acid
Iron surface forms a tunic, is both coupling agent and plasticizer.The reason of diluent preferred liquid paraffin is that opposite glycerine comes
It says, atoleine can also play the role of external lubricant other than it titanate esters can be kept fully dispersed, can reduce and add
Frictional force during work between plastic melt and screw rod and extruder inner wall, to realize the purpose for being easier to processing and forming.
Preferably, the quality of titanate esters is the 3% of ferroso-ferric oxide powder quality, the quality of atoleine is titanate esters
3 times of quality.
Melt blending: will be added double screw extruder by obtained polylactic acid base ferroso-ferric oxide mixture is blended in advance,
In the 160-180 DEG C of compound master bar of melting extrusion polylactic acid base ferroso-ferric oxide, the compound master bar of polylactic acid base ferroso-ferric oxide is through sky
Air cooling is then cut into grain, obtains polylactic acid base ferroso-ferric oxide composite master batch.
Polylactic acid base ferroso-ferric oxide composite master batch is prepared with two step of melt blending by being blended in advance, at a temperature of 80 DEG C,
The preliminary mixing of ferroso-ferric oxide particle, auxiliary agent and polylactic acid is realized under the shearing of high-speed mixer.In the base being blended in advance
Carry out melting extrusion blending on plinth, the Partial digestion of intermingling material when for preventing material from directly carrying out melting extrusion, effectively
It prevents link material when having squeezed out granulation to hinder, while substantially improving dispersibility of the inorganic particulate in polylactic acid matrix.
Preferably, the temperature setting in each section of double screw extruder is as shown in table 1.
Table 1
Step is 2.: the preparation of polylactic acid base ferroso-ferric oxide spun-bonded non-woven: the polylactic acid base four of preparation is aoxidized three
Iron composite master batch feed spunbond machine by spunbond processing, polylactic acid base ferroso-ferric oxide composite master batch after screw rod melt extruded,
It successively by melt filtration and metering pump-metered, is sprayed by the spinneret orifice of spunbond machine die head, through cooling blowing and air drawing
Lapping afterwards forms polylactic acid base ferroso-ferric oxide spun-bonded non-woven；Polylactic acid base ferroso-ferric oxide spun-bonded non-woven conduct
Magnetic degraded layer.
Preferably, step 2. in, the temperature of screw rod melt extruded is 200-240 DEG C.
Step is 3.: degradable magnetic polylactic acid clean wiping cloth: after pulp is made in wood pulp cellulose, be laid in step 2. in
On the polylactic acid base ferroso-ferric oxide spun-bonded non-woven of preparation, wood pulp cellulose is through spun lacing and polylactic acid base ferroso-ferric oxide spunbond
Non-woven cloth entanglement forms moisture absorption layer after reinforcing, and required grammes per square metre is 40g/cm to obtain the final product after successively carrying out drying and winding2Can
Degradation magnetic polylactic acid clean wiping cloth.
During spun lacing, wood pulp cellulose is intertwine with each other with the fiber in polylactic acid base ferroso-ferric oxide spun-bonded non-woven.
Preferably, according to the mass fraction, wood pulp cellulose is 50 parts, polylactic acid base ferroso-ferric oxide spun-bonded non-woven is
50 parts.
Embodiment 2.
The present embodiment is a kind of degradable magnetic polylactic acid clean wiping cloth, magnetic degraded layer and suction including layered distribution
Wet layer, magnetic degraded layer include magnetic degradation of fibers, and moisture absorption layer includes water absorbent fiber, and magnetic degradation of fibers and water absorbent fiber are mutual
It tangles, is connect by magnetic degradation of fibers with water absorbent fiber between magnetic degraded layer and moisture absorption layer.Wherein magnetic degraded layer is used for
Electrostatic is shielded, while being capable of degradation environment protection.Moisture absorption layer is for absorbing moisture.
Preferably, the fibre diameter of magnetic degradation of fibers and the fibre diameter of water absorbent fiber are 20-30 μm.
The porosity of moisture absorption layer is less than the porosity of magnetic degraded layer.
Preferably, the material of moisture absorption layer is wood pulp cellulose.Wood pulp cellulose has preferable hygroscopicity.
The present embodiment additionally provides the preparation method of degradable magnetic polylactic acid clean wiping cloth, includes the following steps.
Step is 1.: the preparation of polylactic acid base ferroso-ferric oxide composite master batch.Wherein, the compound mother of polylactic acid base ferroso-ferric oxide
The preparation of grain includes pre- blending and melt blending.
It is pre- to be blended: polylactic acid master batch and ferroso-ferric oxide powder are separately dried 12 hours and 3 hours at 80 DEG C in proportion,
The ferroso-ferric oxide powder of drying is put into high-speed mixer, after stirring 5min in advance, is proportionally added into auxiliary agent stirring 15
Min infiltrates ferroso-ferric oxide powder surface, adds the polylactic acid master batch that corresponding proportion has been dried, the high speed at 80 DEG C
5min is stirred in mixing machine, forms polylactic acid base ferroso-ferric oxide mixture.
The quality of ferroso-ferric oxide powder is the 1-7% of polylactic acid master batch quality.
Preferably, the quality of ferroso-ferric oxide powder is the 3% of polylactic acid master batch quality in the present embodiment.
Auxiliary agent includes coupling agent and diluent.The effect of coupling agent is to improve ferroso-ferric oxide particle and polylactic acid macromolecule
Compatibility between material improves its dispersibility in polylactic acid, can choose titanate esters and silane coupling agent.Diluent
Effect is dilution coupling agent, improves the dispersion of coupling agent in the blend, and the common diluent of titanate coupling agent has glycerine
Or atoleine.
Preferably, the present embodiment coupling agent is titanate esters, diluent is atoleine.The original of the preferred titanate esters of coupling agent
Because being relative to silane coupling agent, titanate coupling agent can aoxidize three four while linking ferroso-ferric oxide and polylactic acid
Iron surface forms a tunic, is both coupling agent and plasticizer.The reason of diluent preferred liquid paraffin is that opposite glycerine comes
It says, atoleine can also play the role of external lubricant other than it titanate esters can be kept fully dispersed, can reduce and add
Frictional force during work between plastic melt and screw rod and extruder inner wall, to realize the purpose for being easier to processing and forming.
Preferably, the quality of titanate esters is the 3% of ferroso-ferric oxide powder quality, the quality of atoleine is titanate esters
3 times of quality.
Melt blending: will be added double screw extruder by obtained polylactic acid base ferroso-ferric oxide mixture is blended in advance,
In the 160-180 DEG C of compound master bar of melting extrusion polylactic acid base ferroso-ferric oxide, the compound master bar of polylactic acid base ferroso-ferric oxide is through sky
Air cooling is then cut into grain, obtains polylactic acid base ferroso-ferric oxide composite master batch.
Polylactic acid base ferroso-ferric oxide composite master batch is prepared with two step of melt blending by being blended in advance, at a temperature of 80 DEG C,
The preliminary mixing of ferroso-ferric oxide particle, auxiliary agent and polylactic acid is realized under the shearing of high-speed mixer.In the base being blended in advance
Carry out melting extrusion blending on plinth, the Partial digestion of intermingling material when for preventing material from directly carrying out melting extrusion, effectively
It prevents link material when having squeezed out granulation to hinder, while substantially improving dispersibility of the inorganic particulate in polylactic acid matrix.
Preferably, the temperature setting in each section of double screw extruder is as shown in table 1.
Step is 2.: the preparation of polylactic acid base ferroso-ferric oxide spun-bonded non-woven: the polylactic acid base four of preparation is aoxidized three
Iron composite master batch feed spunbond machine by spunbond processing, polylactic acid base ferroso-ferric oxide composite master batch after screw rod melt extruded,
It successively by melt filtration and metering pump-metered, is sprayed by the spinneret orifice of spunbond machine die head, through cooling blowing and air drawing
Lapping afterwards forms polylactic acid base ferroso-ferric oxide spun-bonded non-woven；Polylactic acid base ferroso-ferric oxide spun-bonded non-woven conduct
Magnetic degraded layer.
Preferably, step 2. in, the temperature of screw rod melt extruded is 200-240 DEG C.
Step is 3.: degradable magnetic polylactic acid clean wiping cloth: after pulp is made in wood pulp cellulose, be laid in step 2. in
On the polylactic acid base ferroso-ferric oxide spun-bonded non-woven of preparation, wood pulp cellulose is through spun lacing and polylactic acid base ferroso-ferric oxide spunbond
Non-woven cloth entanglement forms moisture absorption layer after reinforcing, and required grammes per square metre is 40g/cm to obtain the final product after successively carrying out drying and winding2Can
Degradation magnetic polylactic acid clean wiping cloth.
During spun lacing, wood pulp cellulose is intertwine with each other with the fiber in polylactic acid base ferroso-ferric oxide spun-bonded non-woven.
Preferably, according to the mass fraction, wood pulp cellulose is 50 parts, polylactic acid base ferroso-ferric oxide spun-bonded non-woven is
50 parts.
Embodiment 3.
The present embodiment is a kind of degradable magnetic polylactic acid clean wiping cloth, magnetic degraded layer and suction including layered distribution
Wet layer, magnetic degraded layer include magnetic degradation of fibers, and moisture absorption layer includes water absorbent fiber, and magnetic degradation of fibers and water absorbent fiber are mutual
It tangles, is connect by magnetic degradation of fibers with water absorbent fiber between magnetic degraded layer and moisture absorption layer.Wherein magnetic degraded layer is used for
Electrostatic is shielded, while being capable of degradation environment protection.Moisture absorption layer is for absorbing moisture.
Preferably, the fibre diameter of magnetic degradation of fibers and the fibre diameter of water absorbent fiber are 20-30 μm.
The porosity of moisture absorption layer is less than the porosity of magnetic degraded layer.
Preferably, the material of moisture absorption layer is wood pulp cellulose.Wood pulp cellulose has preferable hygroscopicity.
The present embodiment additionally provides the preparation method of degradable magnetic polylactic acid clean wiping cloth, includes the following steps.
Step is 1.: the preparation of polylactic acid base ferroso-ferric oxide composite master batch.Wherein, the compound mother of polylactic acid base ferroso-ferric oxide
The preparation of grain includes pre- blending and melt blending.
It is pre- to be blended: polylactic acid master batch and ferroso-ferric oxide powder are separately dried 12 hours and 3 hours at 80 DEG C in proportion,
The ferroso-ferric oxide powder of drying is put into high-speed mixer, after stirring 5min in advance, is proportionally added into auxiliary agent stirring 15
Min infiltrates ferroso-ferric oxide powder surface, adds the polylactic acid master batch that corresponding proportion has been dried, the high speed at 80 DEG C
5min is stirred in mixing machine, forms polylactic acid base ferroso-ferric oxide mixture.
The quality of ferroso-ferric oxide powder is the 1-7% of polylactic acid master batch quality.
Preferably, the quality of ferroso-ferric oxide powder is the 5% of polylactic acid master batch quality in the present embodiment.
Auxiliary agent includes coupling agent and diluent.The effect of coupling agent is to improve ferroso-ferric oxide particle and polylactic acid macromolecule
Compatibility between material improves its dispersibility in polylactic acid, can choose titanate esters and silane coupling agent.Diluent
Effect is dilution coupling agent, improves the dispersion of coupling agent in the blend, and the common diluent of titanate coupling agent has glycerine
Or atoleine.
Preferably, the present embodiment coupling agent is titanate esters, diluent is atoleine.The original of the preferred titanate esters of coupling agent
Because being relative to silane coupling agent, titanate coupling agent can aoxidize three four while linking ferroso-ferric oxide and polylactic acid
Iron surface forms a tunic, is both coupling agent and plasticizer.The reason of diluent preferred liquid paraffin is that opposite glycerine comes
It says, atoleine can also play the role of external lubricant other than it titanate esters can be kept fully dispersed, can reduce and add
Frictional force during work between plastic melt and screw rod and extruder inner wall, to realize the purpose for being easier to processing and forming.
Preferably, the quality of titanate esters is the 3% of ferroso-ferric oxide powder quality, the quality of atoleine is titanate esters
3 times of quality.
Melt blending: will be added double screw extruder by obtained polylactic acid base ferroso-ferric oxide mixture is blended in advance,
In the 160-180 DEG C of compound master bar of melting extrusion polylactic acid base ferroso-ferric oxide, the compound master bar of polylactic acid base ferroso-ferric oxide is through sky
Air cooling is then cut into grain, obtains polylactic acid base ferroso-ferric oxide composite master batch.
Polylactic acid base ferroso-ferric oxide composite master batch is prepared with two step of melt blending by being blended in advance, at a temperature of 80 DEG C,
The preliminary mixing of ferroso-ferric oxide particle, auxiliary agent and polylactic acid is realized under the shearing of high-speed mixer.In the base being blended in advance
Carry out melting extrusion blending on plinth, the Partial digestion of intermingling material when for preventing material from directly carrying out melting extrusion, effectively
It prevents link material when having squeezed out granulation to hinder, while substantially improving dispersibility of the inorganic particulate in polylactic acid matrix.
Preferably, the temperature setting in each section of double screw extruder is as shown in table 1.
Step is 2.: the preparation of polylactic acid base ferroso-ferric oxide spun-bonded non-woven: the polylactic acid base four of preparation is aoxidized three
Iron composite master batch feed spunbond machine by spunbond processing, polylactic acid base ferroso-ferric oxide composite master batch after screw rod melt extruded,
It successively by melt filtration and metering pump-metered, is sprayed by the spinneret orifice of spunbond machine die head, through cooling blowing and air drawing
Lapping afterwards forms polylactic acid base ferroso-ferric oxide spun-bonded non-woven；Polylactic acid base ferroso-ferric oxide spun-bonded non-woven conduct
Magnetic degraded layer.
Preferably, step 2. in, the temperature of screw rod melt extruded is 200-240 DEG C.
Step is 3.: degradable magnetic polylactic acid clean wiping cloth: after pulp is made in wood pulp cellulose, be laid in step 2. in
On the polylactic acid base ferroso-ferric oxide spun-bonded non-woven of preparation, wood pulp cellulose is through spun lacing and polylactic acid base ferroso-ferric oxide spunbond
Non-woven cloth entanglement forms moisture absorption layer after reinforcing, and required grammes per square metre is 40g/cm to obtain the final product after successively carrying out drying and winding2Can
Degradation magnetic polylactic acid clean wiping cloth.
During spun lacing, wood pulp cellulose is intertwine with each other with the fiber in polylactic acid base ferroso-ferric oxide spun-bonded non-woven.
Preferably, according to the mass fraction, wood pulp cellulose is 50 parts, polylactic acid base ferroso-ferric oxide spun-bonded non-woven is
50 parts.
Embodiment 4.
The present embodiment is a kind of degradable magnetic polylactic acid clean wiping cloth, magnetic degraded layer 1 including layered distribution with
Moisture absorption layer 2, magnetic degraded layer 1 include magnetic degradation of fibers 4, and moisture absorption layer 2 includes water absorbent fiber 3, magnetic degradation of fibers 4 and moisture absorption
Fiber 3 is intertwine with each other, and is connect by magnetic degradation of fibers 4 with water absorbent fiber 3 between magnetic degraded layer 1 and moisture absorption layer 2.Wherein magnetic
Property degraded layer 1 for shielding electrostatic, while being capable of degradation environment protection.Moisture absorption layer 2 is for absorbing moisture.
Preferably, the fibre diameter of magnetic degradation of fibers 4 and the fibre diameter of water absorbent fiber 3 are 20-30 μm.
The porosity of stomata 5 is less than the porosity of stomata 5 in magnetic degraded layer 1 in moisture absorption layer 2.
Preferably, the material of moisture absorption layer 2 is wood pulp cellulose.Wood pulp cellulose has preferable hygroscopicity.
The present embodiment additionally provides the preparation method of degradable magnetic polylactic acid clean wiping cloth, includes the following steps.
Step is 1.: the preparation of polylactic acid base ferroso-ferric oxide composite master batch.Wherein, the compound mother of polylactic acid base ferroso-ferric oxide
The preparation of grain includes pre- blending and melt blending.
It is pre- to be blended: polylactic acid master batch and ferroso-ferric oxide powder are separately dried 12 hours and 3 hours at 80 DEG C in proportion,
The ferroso-ferric oxide powder of drying is put into high-speed mixer, after stirring 5min in advance, is proportionally added into auxiliary agent stirring 15
Min infiltrates ferroso-ferric oxide powder surface, adds the polylactic acid master batch that corresponding proportion has been dried, the high speed at 80 DEG C
5min is stirred in mixing machine, forms polylactic acid base ferroso-ferric oxide mixture.
The quality of ferroso-ferric oxide powder is the 1-7% of polylactic acid master batch quality.
Preferably, the quality of ferroso-ferric oxide powder is the 7% of polylactic acid master batch quality in the present embodiment.
Auxiliary agent includes coupling agent and diluent.The effect of coupling agent is to improve ferroso-ferric oxide particle and polylactic acid macromolecule
Compatibility between material improves its dispersibility in polylactic acid, can choose titanate esters and silane coupling agent.Diluent
Effect is dilution coupling agent, improves the dispersion of coupling agent in the blend, and the common diluent of titanate coupling agent has glycerine
Or atoleine.
Preferably, the present embodiment coupling agent is titanate esters, diluent is atoleine.The original of the preferred titanate esters of coupling agent
Because being relative to silane coupling agent, titanate coupling agent can aoxidize three four while linking ferroso-ferric oxide and polylactic acid
Iron surface forms a tunic, is both coupling agent and plasticizer.The reason of diluent preferred liquid paraffin is that opposite glycerine comes
It says, atoleine can also play the role of external lubricant other than it titanate esters can be kept fully dispersed, can reduce and add
Frictional force during work between plastic melt and screw rod and extruder inner wall, to realize the purpose for being easier to processing and forming.
Preferably, the quality of titanate esters is the 3% of ferroso-ferric oxide powder quality, the quality of atoleine is titanate esters
3 times of quality.
Melt blending: will be added double screw extruder by obtained polylactic acid base ferroso-ferric oxide mixture is blended in advance,
In the 160-180 DEG C of compound master bar of melting extrusion polylactic acid base ferroso-ferric oxide, the compound master bar of polylactic acid base ferroso-ferric oxide is through sky
Air cooling is then cut into grain, obtains polylactic acid base ferroso-ferric oxide composite master batch.
Polylactic acid base ferroso-ferric oxide composite master batch is prepared with two step of melt blending by being blended in advance, at a temperature of 80 DEG C,
The preliminary mixing of ferroso-ferric oxide particle, auxiliary agent and polylactic acid is realized under the shearing of high-speed mixer.In the base being blended in advance
Carry out melting extrusion blending on plinth, the Partial digestion of intermingling material when for preventing material from directly carrying out melting extrusion, effectively
It prevents link material when having squeezed out granulation to hinder, while substantially improving dispersibility of the inorganic particulate in polylactic acid matrix.
Preferably, the temperature setting in each section of double screw extruder is as shown in table 1.
Step is 2.: the preparation of polylactic acid base ferroso-ferric oxide spun-bonded non-woven: the polylactic acid base four of preparation is aoxidized three
Iron composite master batch feed spunbond machine by spunbond processing, polylactic acid base ferroso-ferric oxide composite master batch after screw rod melt extruded,
It successively by melt filtration and metering pump-metered, is sprayed by the spinneret orifice of spunbond machine die head, through cooling blowing and air drawing
Lapping afterwards forms polylactic acid base ferroso-ferric oxide spun-bonded non-woven；Polylactic acid base ferroso-ferric oxide spun-bonded non-woven conduct
Magnetic degraded layer 1.
Preferably, step 2. in, the temperature of screw rod melt extruded is 200-240 DEG C.
Step is 3.: degradable magnetic polylactic acid clean wiping cloth: after pulp is made in wood pulp cellulose, be laid in step 2. in
On the polylactic acid base ferroso-ferric oxide spun-bonded non-woven of preparation, wood pulp cellulose is through spun lacing and polylactic acid base ferroso-ferric oxide spunbond
Moisture absorption layer 2 is formed after non-woven cloth entanglement reinforcing, required grammes per square metre is 40g/cm to obtain the final product after successively carrying out drying and winding2Can
Degradation magnetic polylactic acid clean wiping cloth.
During spun lacing, wood pulp cellulose is intertwine with each other with the fiber in polylactic acid base ferroso-ferric oxide spun-bonded non-woven.
Preferably, according to the mass fraction, wood pulp cellulose is 50 parts, polylactic acid base ferroso-ferric oxide spun-bonded non-woven is
50 parts.
Comparative example.
A kind of degradable poly lactic acid clean wiping cloth, degraded layer and moisture absorption layer including layered distribution, degraded layer and moisture absorption
It is connected between layer by fiber.Wherein degraded layer being capable of degradation environment protection.Moisture absorption layer is for absorbing moisture.
Preferably, the material of moisture absorption layer is wood pulp cellulose.Wood pulp cellulose has preferable hygroscopicity.
The present embodiment additionally provides the preparation method of degradable poly lactic acid clean wiping cloth, includes the following steps.
Step is 1.: polylactic acid master batch is 12 hours dry at 80 DEG C, the polylactic acid master batch of drying is put into high-speed mixer
In, 5min is stirred in advance.
Melting: being added double screw extruder for polylactic acid master batch, in 160-180 DEG C of melting extrusion polylactic acid master bar, gathers cream
Sour master bar is cooling through air, is then cut into grain, obtains polylactic acid master batch.
Preferably, the temperature setting in each section of double screw extruder is as shown in table 1.
Step is 2.: by polylactic acid master batch feeding spunbond machine by spunbond processing, polylactic acid master batch after screw rod melt extruded,
It successively by melt filtration and metering pump-metered, is sprayed by the spinneret orifice of spunbond machine die head, through cooling blowing and air drawing
Lapping afterwards forms polylactic acid spun-bonded non-woven；Polylactic acid spun-bonded non-woven is as degraded layer.
Preferably, step 2. in, the temperature of screw rod melt extruded is 200-240 DEG C.
Step is 3.: after pulp is made in wood pulp cellulose, be laid in step 2. on the polylactic acid spun-bonded non-woven for preparing,
Wood pulp cellulose tangles through spun lacing with polylactic acid spun-bonded non-woven after reinforcing, up to required gram after successively carrying out drying and winding
Weight is 40g/cm2Degradable poly lactic acid clean wiping cloth.
During spun lacing, wood pulp cellulose is intertwine with each other with the fiber in polylactic acid spun-bonded non-woven.
Preferably, according to the mass fraction, wood pulp cellulose is 50 parts, polylactic acid spun-bonded non-woven is 50 parts.
Performance test.
Wiping properties test: use surface smoothness for the glass plate of 2mm, by microexamination glass plate without spot with
After grit, after glass pane surface coats 0.5 μ L methyl red aqueous solution (body fluid of simulation people), a series of of above-mentioned preparation are utilized
Ke Xunhuanliyong ultraclean wiping cloth wipes the methyl red aqueous solution on glass, it is possible to find, it is prepared in embodiment 1 and 4
Magnetic polylactic acid clean wiping cloth is compared with can preferably wipe methyl red solution for comparative example.
Dust removing effects test: it is tested obtained by the utility model embodiment 1-4 and comparative example according to standard JIS B9923
Product powder amount comparison such as the following table 2.
Table 2
Using LFY-401 textile material static voltage half life analyzer, referring to GB/T 12703.1-2008 textile
The evaluation criteria of antistatic property is tested the antistatic property of the magnetic polylactic acid clean wiping cloth of preparation.Test knot
Fruit is as shown in table 3.
Table 3
The above test result shows the magnetic polylactic acid cleaning that the technical solution of Application Example 1,2,3,4 is prepared
Wiper is also provided with good antistatic effect while having good wiping properties and dust removing effects, therefore it is being cured
There is biggish potential using value in the clean wiping field for treating health, pharmacy, electronic product and precision instrument.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different, and above content is only to the utility model structure example explanation described in this specification.
All equivalence changes or simple change done according to structure, feature and principle described in the concept of the patent of the utility model, are wrapped
It includes in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to described
Specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the knot of the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (4)
1. a kind of degradable magnetic polylactic acid clean wiping cloth, it is characterised in that: magnetic degraded layer and suction including layered distribution
Wet layer, magnetic degraded layer include magnetic degradation of fibers, and moisture absorption layer includes water absorbent fiber, and magnetic degradation of fibers and water absorbent fiber are mutual
It tangles, is connect by magnetic degradation of fibers with water absorbent fiber between magnetic degraded layer and moisture absorption layer.
2. degradable magnetic polylactic acid clean wiping cloth according to claim 1, it is characterised in that: the magnetic degradation is fine
The fibre diameter of dimension and the fibre diameter of water absorbent fiber are 20-30 μm.
3. degradable magnetic polylactic acid clean wiping cloth according to claim 1, it is characterised in that: the hole of the moisture absorption layer
Gap rate is less than the porosity of magnetic degraded layer.
4. degradable magnetic polylactic acid clean wiping cloth according to claim 1 or 2 or 3, it is characterised in that: the moisture absorption
The material of layer is wood pulp cellulose.
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| CN108221183A (en) * | 2018-01-30 | 2018-06-29 | 杭州诚品实业有限公司 | A kind of degradable magnetic polylactic acid clean wiping cloth and preparation method thereof |
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| CN108221183A (en) * | 2018-01-30 | 2018-06-29 | 杭州诚品实业有限公司 | A kind of degradable magnetic polylactic acid clean wiping cloth and preparation method thereof |
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Denomination of utility model: A biodegradable magnetic polylactic acid cleaning and wiping cloth Granted publication date: 20181207 Pledgee: Guotou Taikang Trust Co.,Ltd. Pledgor: HANGZHOU ESLITE INDUSTRIAL CO.,LTD. Registration number: Y2024980004898 |
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