CN1471381A - Colored individual packages of disposable sanitary napkin - Google Patents

Colored individual packages of disposable sanitary napkin Download PDF

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Publication number
CN1471381A
CN1471381A CNA028026179A CN02802617A CN1471381A CN 1471381 A CN1471381 A CN 1471381A CN A028026179 A CNA028026179 A CN A028026179A CN 02802617 A CN02802617 A CN 02802617A CN 1471381 A CN1471381 A CN 1471381A
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Prior art keywords
agent
organosilicon
woven fabrics
conjunction
thin film
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Granted
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CNA028026179A
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Chinese (zh)
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CN1271981C (en
Inventor
沈载宪
李秀永
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Han Jin Printing & Chemical Co
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Han Jin Printing & Chemical Co
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Publication of CN1471381A publication Critical patent/CN1471381A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/551—Packaging before or after use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F2013/8497—Accessories, not otherwise provided for, for absorbent pads having decorations or indicia means

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Paper (AREA)

Abstract

Disclosed herein is an individual packing sheet for a disposable sanitary napkin, comprising a nonwoven fabric-united film consisting of a non-woven fabric with a basic weight of 4 to 25 g/m<2> and a polymer film with a basic weight of 2 to 20 g/m<2>, and a silicone release layer formed on the nonwoven fabric-united film by coating a thermosetting colored silicone coating agent on the nonwoven fabric-united film and heat curing such a coating agent. The silicone coating release layer contains organopolysiloxane and is partially formed on the nonwoven fabric-united in such a way that the release layer covers a hot melt of the sanitary napkin within an individual packing region of the sanitary napkin.

Description

The colored wrapping paper separately that is used for disposable sanitary napkin
Technical field
The present invention relates to be used for the colored wrapping paper separately of disposable sanitary napkin.
Background technology
As everyone knows, the disposable sanitary napkin that generally uses is to utilize a release paper and a polythene film bag to pack at present, and in the widely used disposable sanitary napkin of another kind, on a medial surface of this polythene film bag, form an organosilicon releasing layer, and the heat-fused portion of this disposable sanitary napkin is bonded on this organosilicon releasing layer.In these two kinds of sanitary towels, supply falls short of demand and demand growth gets very fast to be provided with this type of sanitary towels of organosilicon releasing layer on the wrapping paper medial surface.In above-mentioned sanitary towels, be used to protect the part of the hot melt of sanitary towel to comprise a transparent organosilicon releasing layer.
Simultaneously, the user of sanitary towel is the women, and the color of this sanitary towel package is considered to the important market strategy.In order to satisfy women's needs, the sanitary towels of traditional mode of production, the thin film that wherein is used for making packaging bag are to be undertaken painted or add blue or pink pigment carries out painted to the resin that is used to constitute polyethylene film by print design and color on the polyethylene film of white.
Yet the shortcoming of traditional sanitary towels is, when joining coloring agent in the plastic sheeting, increases the manufacturing cost of colorful film.In more detail, when this coloring agent adding was used for making the resin of this plastic sheeting, PCI can appear in the manufacture process of this thin film such as gel, with problem such as pin hole, and because the painted cost of plastic sheeting has also increased the cost of this plastic sheeting.
Another kind of traditional wrapping paper that is used for disposable sanitary napkin is disclosed in TOHKEMY 2000-175964 communique; wherein this packaging bag comprises a polyethylene film; this thin film has a coloring pigment and an organic silicon coating thin film of being handled by electromagnetic radiation or ultraviolet curing; and, this polyethylene film is formed on the medial surface of this wrapping paper in order to protect the hot melt of sanitary towel.Yet the shortcoming of this wrapping paper is that the wrapping paper that joins the coloring pigment in the plastic sheeting can absorb electromagnetic radiation or ultraviolet, and owing to reduced the solidification effect of organosilicon releasing agent, so this organosilicon releasing layer has poor release performance.Another shortcoming of this wrapping paper is, using under the organosilyl situation of a kind of thermosetting, this thermosetting organosilicon is being carried out in the heat cure processing procedure, and this plastic sheeting can be out of shape, and wrapping paper can hardening like this.
Summary of the invention
Therefore, an object of the present invention is to avoid above-mentioned shortcoming, a kind of wrapping paper that is used for disposable sanitary napkin be provided, this wrapping paper is coated on the plastic sheeting by coloring agent is added to, the thermosetting organosilicon apply carry out in the agent painted.
For achieving the above object, the invention provides a kind of wrapping paper that is used for disposable sanitary napkin, this wrapping paper is by applying chromatic organosilicon apply agent on plastic sheeting and painted and thermal curable should apply agent.This chromatic organosilicon applies agent and makes by coloring agent being added in the heat cured organosilicon coating agent.
Another object of the present invention provides a kind of wrapping paper that is used for disposable sanitary napkin, applying agent at this chromatic organosilicon carries out in the process of heat cure processing, this wrapping paper can avoid plastic sheeting to deform, and, can improve the quality and the serviceability of wrapping paper by on thin film, being provided with the chromatic organosilicon releasing layer of one deck in conjunction with non-woven fabrics.
According to the present invention, by being provided, this wrapping paper that is used for disposable sanitary napkin can realize above-mentioned purpose, this wrapping paper applies agent and carries out painted and can this coating agent of heat cure by applying the chromatic organosilicon of one deck in conjunction with the thin film of non-woven fabrics.This chromatic organosilicon applies agent and makes by coloring agent being added in the heat cured organosilicon coating agent.
Description of drawings
Fig. 1 is with the sketch map of a plastic sheeting and the bonded method of a non-woven fabrics according to the present invention;
Fig. 2 is the simple front view of the blender that uses in the present invention;
Fig. 3 applies the sketch map that organosilicon applies the method for agent according to the present invention in conjunction with the thin film of non-woven fabrics;
Fig. 4 is the cross section view that is used for the independent wrapping paper of disposable sanitary napkin according to the present invention;
Fig. 5 A is the generalized section that is used for the independent wrapping paper of disposable sanitary napkin to 5C, wherein this in conjunction with the thin film top of non-woven fabrics be coated with a chromatic organosilicon and apply agent;
Fig. 6 be according to the present invention on independent wrapping paper the sketch map of the method for the independent packaging area of labelling:
Fig. 7 be according to the present invention in conjunction with the thin film of non-woven fabrics the topical application organosilicon apply the sketch map of the method for agent;
Fig. 8 be according to the present invention on the surface of non-woven fabrics the method sketch map of impressing pattern; And
Fig. 9 is the sketch map of the pattern printed on the surface of non-woven fabrics according to the present invention.
The specific embodiment
Below, the explanation of the present invention being known clearly with reference to accompanying drawing.Thus, can more be expressly understood above and other objects of the present invention, feature and other advantage.
It is from comprising that a thermosetting applies agent and and uses electromagnetic radiation or ultraviolet that organosilicon of the present invention applies agent, chooses in the group of the coating agent that is cured by electromagnetic radiation or ultraviolet in other words.In the time of in a coloring agent being added to use electromagnetic radiation or ultraviolet coating agent, this coloring agent can absorb electromagnetic radiation or ultraviolet in solidification process, therefore, can reduce the solidification effect of coloring agent, and can not obtain desirable releasing layer.
What use in the present invention is that the thermosetting organosilicon applies agent, can protect this coloring agent not disturb mutually in cured silicone.
Simultaneously, be coated on this plastic sheeting and when carrying out heat cure for 80 to 150 ℃, this plastic sheeting also can be out of shape even thermosetting coloured organosilicone of the present invention is applied agent, so the quality of this wrapping paper just become very poor.In other words, cause this plastic sheeting to become very hard, when opening this packaging bag, can send rustling sound owing to plastic sheeting intensity increases.
Therefore, in the present invention, this coloured organosilicone is applied agent be coated in this, thereby avoid this plastic sheeting in the curing process of this organosilicon coating agent, to degenerate in conjunction with also heat cure on the surface of the thin film of non-woven fabrics.
In more detail, with fusing point is 90 to 140 ℃ polyethylene film and the fusing point polypropylene non-woven fabrics that is 155 to 160 ℃ in conjunction with making this thin film in conjunction with non-woven fabrics, thereby and will heat cured coloured organosilicone apply agent be coated in this in conjunction with on the surface of the thin film of non-woven fabrics also heat cure make and be used for disposable sanitary napkin, chromatic independent wrapping paper.
Therefore, the invention has the advantages that it is to be coated in this in conjunction with on the thin film of non-woven fabrics and carry out solidified that this heat cured organosilicon applies agent, thereby the elasticity that has kept plastic sheeting, provide the serviceability of this wrapping paper, and the appearance of this wrapping paper have noiseless and softish non-woven fabrics quality.Other advantage of the present invention is the seal temperature of wrapping paper of the present invention than not high 10 to 30 ℃ in conjunction with the polyethylene film of non-woven fabrics, thereby has reduced the production time of this wrapping paper, simultaneously, has prevented this wrapping paper because the distortion that hot melt produces.
Especially, printed ornamental pattern on the surface of this non-woven fabrics, therefore this ornamental pattern is coordinated mutually with the color of organic silicon coating, thereby the wrapping paper of this low price looks like high-quality wrapping paper.
In addition, the present invention be advantageous in that, when this chromatic organosilicon applies the agent topical application in back side of package, because having applied the part of this back side of package of agent can just can observe with naked eyes, so it is painted by this organosilicon being applied agent, this manufacture method that is used for the packaging bag of disposable sanitary napkin becomes and is easy to control and has reduced poor sealing (that is, releasing layer should engage in conjunction with mistake of the thin film of non-woven fabrics relatively).
1-1) being used to make production that coloured organosilicone applies the coloring agent of agent applies agent with this coloring agent and a kind of heat cured organosilicon and mixes so that make chromatic organosilicon coating agent.
In a blender, with 85～95 parts organic solvent calculating by weight and 5～20 parts the coloured material such as pigment or dyestuff calculating by weight mixed 1 hour or the longer time to make coloring agent.
If necessary, by utilizing a kind of dispersant that this coloured material is dissolved or being dispersed in this solvent.
The conventional hybrid device of utilization such as kneader or decomposer mixes coloured material and this organic solvent.
The example that is used for making the coloured material of this coloring agent comprises organic coloured material, for example fuchsin of the cyanine of blue stain material and red coloured material, and inorganic coloring material, and for example white carbon black and titanium dioxide, as shown in table 1:
Table 1
Coloured material
Organic material Copper phthalein green grass or young crops
Organic material 2-hydroxyl-3-naphthaldehyde acid
Inorganic material White carbon black
Inorganic material Titanium dioxide
In the present invention, can be with this organic coloring material and inorganic coloring material as coloring agent, and preferable be that the organic coloring material that will have good dispersibility is as coloring agent.
In the present invention and the dispersant that is used of this coloured material be from comprising polyamide, ethylene vinyl acetate copolymer chooses in the group of the rare and chlorinated polypropylene of chlorinated polyethylene.
If desired, can be with Tissuemat E, lubricant, antistatic additive and organic silicone oil join in this coloring agent.
In a blender, with 0.1～10 part coloring agent calculating by weight with 10～40 parts thermosetting organosilicon calculating by weight mixed 1 hour or the longer time applies agent to make this heat cured coloured organosilicone.
1-2) thermosetting applies agent
Being used to make thermosetting organosilicon that coloured organosilicone of the present invention applies agent applies agent and comprises a kind of main component, a kind of cross-linking agent and a kind of catalyst.
Organopolysiloxane can be from comprising dimethyl methyl vinylsiloxane, a kind of hydroxy-end capped mixture; Dimethyl siloxane, a kind of hydroxy-end capped mixture; Dimethyl, ethylene methacrylic radical siloxane, a kind of dimethyl ethenyl blocking mixture; Octamethylcy-clotetrasiloxane; And dimethyl siloxane, choose in a kind of group of dimethyl ethenyl blocking mixture.
Organosiloxane such as methyl hydrogen siloxane and dimethyl hydrogen siloxane can be used as cross-linking agent.
What use in the present invention is a kind of platinum catalyst.Diethylidene tetramethyl disiloxane platinum compound mixture, organopolysiloxane and organosiloxane mixture as platinum catalyst by commercialization.
Cross-linking agent is cross-linked to each other the molecule of main component together and this main component is sticked on this thin film.This catalyst promotes the cross-linking reaction between this cross-linking agent and the main component.
With this main component, cross-linking agent and catalyst dissolution in water or the ethanol, utilize roller to be coated on this thin film in organic solvent, then, this solvent evaporation are fallen again.
This coloring agent and organosilicon apply agent to be mixed in blender.
With reference to Fig. 2, in blender 201, this thermosetting organosilicon is applied agent 200 mix 1 to 5 hour to make chromatic organosilicon coating agent with this coloring agent.In the time of in too many coloring agent being joined this heat cured organosilicon coating agent 200, can reduce the release performance of organosilicon releasing layer.
This heat cured organosilicon is applied agent to be coated on the surface of this plastic sheeting, evaporate at the lip-deep solvent of this plastic sheeting, and thereby this coating agent of heating is solidified this coating agent so that this main component, cross-linking agent and catalyst are reacted each other under 70 ℃ or higher temperature, like this, on the surface of this plastic sheeting, form coloured organosilicone releasing layer with release performance.
The solidification temperature that this organosilicon applies agent is high more, and then the solidification rate of this organosilicon coating agent is also just fast more, and the release performance that organosilicon applies agent is good more.This organosilicon applies the solidification temperature of agent preferably in 100～140 ℃ of scopes.
2) plastic sheeting and non-woven fabrics combines
In the present invention, as be used for material in conjunction with the plastic sheeting of non-woven fabrics can be fusing point between 90～140 ℃, such as the polyolefin polymer of polyethylene and polypropylene.According to the present invention, mix by will and having polar monomeric copolymer as the polymer and the polyolefin monomer of the material of this plastic sheeting, can obtain low-melting should be in conjunction with thin film of non-woven fabrics.
In the solidified process of this organosilicon, although polyethylene film in conjunction with non-woven fabrics of the present invention is owing to be heated and hardening, this polyethylene film is to be formed on thinly on this non-woven fabrics, thereby has 2～20g/m 2Basis weight, and alleviated owing to heat causes the distortion of plastic sheeting, like this, even should be in conjunction with the thin film of non-woven fabrics owing to be heated and some hardening, but the tender texture of this non-woven fabrics can be covered the shortcoming of this non-woven thin-film.
3) non-woven fabrics
This non-woven fabrics is from comprising polypropylene non-woven fabric (a kind of spun bond nonwoven fabric, a kind of hot sticky type non-woven fabrics), choosing in the group of polyester non-woven fabric and nylon nonwoven fabrics.Consider the physical property of cost and this independent wrapping paper of this non-woven fabrics, adopt this polypropylene-base spun bond nonwoven fabric among the present invention as this non-woven fabrics.
In an embodiment of the present invention, be 4～25g/m with basis weight 2This non-woven fabrics and basis weight be 2～20g/m 2The thin polymer film combination, and its fusing point is in 90～140 ℃ of scopes.
4) non-woven fabrics and plastic sheeting combines
As shown in Figure 1, according to traditional extruding laminating method this non-woven fabrics is combined with plastic sheeting.
With reference to Fig. 1, by extruder 101 polyvinyl resin being melted and is molded as basis weight by the T mould in the time of 290 ℃ is 2～20g/m 2Thin film 103.For non-woven fabrics 107 and polyethylene film 103 being combined, be 4～25g/m together with this basis weight with this mold film 2Non-woven fabrics 107 together, be arranged between chill roll 106 and the compressing rubber roller 105 this non-woven fabrics is in the mode between this thin film and this compressing rubber roller 105, thereby make thin film 110 in conjunction with non-woven fabrics.
The same with traditional extruding laminating method of plastic sheeting and non-woven fabrics, between chill roll and compressing rubber roller, impose 1～8kg/cm 2Pressure, this polyethylene film and this non-woven fabrics are combined.
5) formation of organosilicon releasing layer
Be used for applying the example that organosilicon applies the coating machine of agent in conjunction with the surface of the thin film of non-woven fabrics and comprise direct gravure formula applicator roll (direct gravure coating roll) at this, rolling applicator roll, reverse (reverse) gravure formula applicator roll and the gravure formula applicator roll of biasing.
In Fig. 3, the gravure formula applicator roll of this biasing is used for apply applying agent at this in conjunction with the thin film of non-woven fabrics.
With reference to Fig. 3, to be somebody's turn to do in conjunction with the supply of the thin film 110 of non-woven fabrics by roller 110a and to give between applicator roll 113 and the compressing rubber roller 114, and, utilize coating roll 111 to supply with competent coating agent 200, with applying the surface of agent 200 coatings in conjunction with the plastic sheeting of the thin film 110 of non-woven fabrics to this applicator roll 113.In a dry curing room 115, the coating agent on this thin film is dry and solidify to make the independent wrapping paper that is used for disposable sanitary napkin, then, should be wrapped on the roller 116 by independent wrapping paper 100.
Fig. 4 is used for the sectional view of the independent wrapping paper of disposable sanitary napkin for the present invention.According to method shown in Figure 1 with this plastic sheeting 103 and non-woven fabrics 107 combinations, and according to method shown in Figure 3, form this organosilicon releasing layer 200a at this in conjunction with a surface of the thin film of non-woven fabrics, thereby make the independent wrapping paper 100 that this is used for disposable sanitary napkin.
This organosilicon releasing layer had basis weight 0.1～2g/m with a kind of solidified releasing layer 2Amount be coated on this thin film in conjunction with non-woven fabrics.
6) impressing pattern on a surface of this non-woven fabrics
As shown in Figure 8, utilize direct gravure formula print roller impressing pattern on the surface of this non-woven fabrics.
With reference to Fig. 8, the copper coin 145 that will have Fig. 9 pattern is arranged on the print roller 143.Supply with printing ink 140 by rotating print roller 143 to copper coin 145, doctor 146 can make an amount of printing ink remain on this copper coin 145.Printing ink 140 is supplied with in rotation by print roller 143 on copper coin 145, this copper coin 145 can contact with this nonwoven surface in conjunction with non-woven thin-film 110, like this, various patterns as shown in Figure 9 can be printed on a surface of this non-woven fabrics by pressure roll 144.
By hothouse the lip-deep printing ink that is printed on this non-woven fabrics is carried out drying, thereby be fixed on the surface of this non-woven fabrics.
The equipment that is used for impressing pattern on the surface of this non-woven fabrics is arranged on and is used for applying the production line that organosilicon applies agent to this non-woven fabrics, can reduce the production cost of this independent wrapping paper like this.
7-1) on the organosilicon coated portion, apply chromatic organosilicon partly and apply agent with reference to Fig. 5 A-5C, Fig. 5 A-5C is the independent wrapping paper 100a that is used for disposable sanitary napkin, the schematic cross-section of 100b and 100c wherein, is coated with the organosilicon releasing layer on this film surface in conjunction with non-woven fabrics.
Shown in Fig. 5 A, in the wrapping paper 100a that sanitary towel uses, on this surface in conjunction with non-woven thin-film 110, limit labelling (rm) by one and be separated out an independent packaging area that is used for sanitary towel, and at a distance of the mode that side-play amount v is provided with this pattern is printed on the organosilyl part 202a of topical application with a pattern and this qualification labelling (rm).Shown in Fig. 5 A, there is the pattern on the part 202a of silicon on the wrapping paper 100 that sanitary towel uses, to form a rectangle in topical application.
In Fig. 5 B, in the wrapping paper 100b that sanitary towel uses, on this surface in conjunction with the thin film 110 of non-woven fabrics, limit labelling (rm) by one and be separated out an independent packaging area that is used for sanitary towel, and the mode that is provided with at a distance of side-play amount v with a pattern and this qualification labelling (rm) is printed on a topical application with this pattern to be had on the part 202b of silicon.In addition, be narrower than this width at the pattern width that is coated with on the part 202b of silicon in conjunction with the thin film of non-woven fabrics.
With reference to Fig. 5 C, in the wrapping paper 100c that sanitary towel uses, on this surface in conjunction with the thin film 110 of non-woven fabrics, limit labelling (rm) by one and be separated out an independent packaging area that is used for sanitary towel, and, a pattern is printed on the organosilyl part 202c of topical application in the belt that leaves the interval in conjunction with the both sides of non-woven thin-film 110.
This qualification labelling (rm) that is used for the independent packaging area of disposable sanitary napkin can be used as a kind of labelling that is used to discern the independent packaging area of this sanitary towel, and can be used as a kind of labelling that is used to indicate the cutting position of packages sealed bag.In addition, be coated in the organosilyl part 202a of coating when this organosilicon being applied agent, when 202b and 202c went up, this qualification labelling also can be used as and is used to check whether this organosilicon coating agent is coated in the labelling on the precalculated position.
According to the present invention, to compare with the part that is coated with silicon all, the organosilyl part of this topical application can reduce the amount that the organosilicon that is consumed applies agent.In addition, when this sanitary towel being packed, avoiding applying organosilyl part 202a by this back side of package, 202b and 202c, this wrapping paper is a heat bonding, therefore, owing to this sanitary towel has avoided bad adhesion with the organosilicon releasing layer of packaging bag.
7-2) print the qualification labelling
By method shown in Figure 6, the qualification labelling (rm) of independent packaging area is printed on this in conjunction with on the non-woven thin-film.
In more detail, should be arranged between pressure rubber rollers 134 and the direct gravure formula applicator roll 133 in conjunction with non-woven thin-film, wherein this applicator roll 133 is provided with one and indicates the copper coin 135 that limits labelling.The qualification labelling that is marked on this copper coin 135 can be divided into the individual packages zone with this successive wrapping paper.Give to printing ink 130 to being positioned on the copper coin 135 that rotates print roller 133, and printing ink is retained on this qualifications labelling, and pass through the form of pressure rubber rollers 134, it is printed on this in conjunction with on the non-woven thin-film 110 with this qualification labelling by 136 of doctors.Then, this will be printed on ink setting on this thin film 110 in conjunction with non-woven thin-film 110 by drying machine 135.
9) formation of the local organosilicon releasing layer of packaging area separately
According to method shown in Figure 7, forming partial organosilicon coated portion in the packaging area separately.
With reference to Fig. 7, be printed with this thin film 110 that limits labelling (rm) and be arranged on pressure rubber rollers 124 and have between the direct gravure formula applicator roll 123 of copper coin 125 in conjunction with non-woven fabrics.On this copper coin 125, form the organosilyl pattern of topical application, apply agent thereby on the precalculated position of this independent packaging area, apply organosilicon.Supply with organosilicon on the copper coin 125 that rotates applicator roll 123 and apply agent 200 to being positioned at, and when by doctor 126 when this copper coin is removed organosilicon coating agent, only keep the organosilyl pattern of topical application.To apply agent at this pattern on the copper coin by rubber rollers 124 move on the thin film 110 in conjunction with non-woven fabrics, simultaneously with this rubber rollers 124 of the organosilyl pattern process of topical application, so that in this individual packages zone, along predetermined pattern organosilicon is applied agent and be coated on the thin film 110 in conjunction with non-woven fabrics, thereby drying chamber 127 is dry and solidify and make releasing layer then.
As mentioned above, the invention provides a kind of wrapping paper that is used for disposable sanitary napkin, it comes painted by a kind of chromatic organosilicon coating agent of coating on plastic sheeting and can heat cure be somebody's turn to do the coating agent.Join and to make this chromatic organosilicon coating agent in the heat cured organosilicon coating agent by coloring agent.
In addition, the present invention also provides a kind of wrapping paper that is used for disposable sanitary napkin, in that chromatic organosilicon applies agent and carries out in the process that heat cure handles to this, this wrapping paper can be avoided the distortion of plastic sheeting, and by in conjunction with the thin film 110 of non-woven fabrics, forming quality and the serviceability that chromatic organosilicon releasing layer can improve this wrapping paper.
In order to understand the present invention better, below with reference to provide but non-restrictive example present invention is described.
Embodiment 1
Blue fever solidity organosilicon is applied agent be coated on a kind of thin film in conjunction with non-woven fabrics, this thin film comprises that a basis weight is 11g/m 2A plastic sheeting and a basis weight be 15g/m 2The spunbonded type polypropylene non-woven fabric, and form that to have basis weight be 0.5g/m 2Organosilicon apply the three-decker of agent (after drying), by structure that this is obtained with 60 meters/minute speed by 100 ℃ hothouse and heat cure.Simultaneously, utilize gravure formula applicator roll to carry out coating processing.
10 parts blue material calculating by weight (the Neo zapon indigo plant of being made by BASF Co. 807) and 90 parts butanone will calculating by weight packed in the blender and mix as solvent made blue colorant in 2 hours.In blender as shown in Figure 2,0.6 part of blue colorant of calculating by weight of making like this and 20 parts of thermosetting organosilicons calculating by weight are applied agent and 80 parts normal hexane calculating by weight mixes and made chromatic organosilicon in 4 hours and apply agent.
This thermosetting organosilicon applies agent and comprises: 19.7 parts of organopolysiloxanes will calculating by weight (by the syl-off (R) 7420 of Dow Corning Co. manufacturing) are as main component, as cross-linking agent, and 0.1 part of platinum catalyst will calculating by weight (syl-off (R) 4000) is as catalyst with 0.2 part of organosiloxane (syl-off (R) 297) of calculating by weight.
It is 11g/m that the mixture of 98 parts linear low density polyethylene (LLDPE) calculating by weight (LDPE960 that Korea S Hanhwa GeneralChemiclas Co. makes) and 2 parts titanium dioxide will calculating by weight is molded as basis weight 2Plastic sheeting.By utilizing the extruding laminating method that basis weight is 15g/m 2The spunbonded type polypropylene non-woven fabric adhere on the side of this plastic sheeting and make this thin film in conjunction with non-woven fabrics.In extruding lamination processing procedure,, and will be somebody's turn to do thin film in conjunction with non-woven fabrics at 6kg/cm at 290 ℃ of these polyethylene of fusing down 2Pressure under with 80 meters/minute speed by between chill roll and the compressing rubber roller.
Utilize wrapping paper by the method acquisition of embodiment 1, make back side of package in the following manner, non-woven fabrics is arranged on the outermost layer of back side of package and the hot melt that this chromatic organosilicon releasing layer covers this sanitary towel, packs this sanitary towel by this back side of package then.
Embodiment 2
As shown in Figure 9 pattern is gushed blue ink to be printed on this non-woven fabrics in conjunction with the thin film of non-woven fabrics among the embodiment 1.The New-sky indigo plant that to be made by DAIHAN INK Co.Ltd is as this blue ink.According to the step identical, utilize embodiment 2 prepared independent wrapping papers to come packaging disposable sanitary towel with embodiment 1.
Embodiment 3
Blue fever solidity organosilicon is applied agent be coated on a kind of thin film in conjunction with non-woven fabrics, this thin film comprises that a basis weight is 25g/m 2A plastic sheeting and a basis weight be 15g/m 2The spunbonded type polypropylene non-woven fabric, and form that to have basis weight be 0.5g/m 2Organosilicon apply the three-decker of agent (after drying), by structure that this is reached with 60 meters/minute speed by 100 ℃ hothouse and heat cure.Simultaneously, utilize gravure formula applicator roll to carry out coating processing.
This plastic sheeting comprises: 30 parts the linear low density polyethylene (LLDPE) of calculating by weight, 30 parts the high density polyethylene (HDPE) of calculating by weight, 30 parts the low density polyethylene (LDPE) of calculating by weight and 2 parts the titanium dioxide of calculating by weight.And this plastic sheeting is to make under the condition identical with embodiment 1.Combine by plastic sheeting and the non-woven fabrics that utilizes the extruding laminating method to make like this.According to the step identical, utilize embodiment 3 prepared independent wrapping papers to come packaging disposable sanitary towel with embodiment 1.
Embodiment 4
Except this chromatic organosilicon of topical application shown in Fig. 5 c applies agent, all the other steps with
Embodiment 1 is identical.
Embodiment 5
The packaging bag that will be made of the wrapping paper according to the embodiment of the invention 1 to 4 compares each other, and the result is as follows:
A) marketability
Because embodiment 1 and 2 packaging bag are to be made by non-woven fabrics, so each all has softish quality, and their the appearance blueness that all has the CF of non-woven fabrics and be arranged in the organosilicon releasing layer of this packaging bag.Under the situation of embodiment 3, in the curing process of this organosilicon releasing layer, become poor plastic sheeting, can it be found by contacting this plastic sheeting, and also can be observed the crushed element of the wrapping paper that links to each other with hot melt by naked eyes.
B) packaging bag of embodiment 4 has the chromatic silicon face of topical application, thereby compares with embodiment 1, and the quantity that the organosilicon that is used to apply this packaging bag applies agent can reduce 37.5%.
C) outward appearance
Embodiment 1,2 and 4 the wrapping paper that is used for sanitary towel are soft and dermal sensation is comfortable, because it is noiseless and the weavy grain material is arranged, so look like high-quality material.Equally, because the outermost of each packaging bag is made of non-woven fabrics, so when hands touches this packaging bag, the sound that the wrapping paper that is made by embodiment 1,2 and 4 does not rustle.
D) release performance of packaging bag
When the release performance with the packaging bag of embodiments of the invention 1 to 4 compared with the conventional bag pack of using infrared ray to make, the difference between these two packaging bags was insignificant.
E) productivity ratio
Height is heat-resisting to be protected with non-woven fabrics mechanical strength because the plastic sheeting of the embodiment of the invention 1 and 2 is by having, so compare with the conventional plastic thin film that does not have non-woven fabrics, sealing the required temperature of wrapping paper of the present invention can increase.For example, this temperature can increase by 10～30 ℃, and the required temperature of sealing Traditional Packing paper is 120 ℃.Therefore, according to the present invention, pack that this sanitary towel will reduce the needed time and the productivity ratio of this sanitary towel will improve.
The invention has the advantages that heat cured organosilicon is applied agent to be coated in conjunction with on the thin film of non-woven fabrics and be cured, thereby the elasticity that keeps plastic sheeting, improve the serviceability of this wrapping paper, and the appearance of this wrapping paper has noiseless and softish non-woven fabrics quality.The seal temperature that other advantage of the present invention is wrapping paper of the present invention improves 10 to 30 ℃ than the temperature in conjunction with the polyethylene film of non-woven fabrics not, thereby has reduced the production time of this wrapping paper, simultaneously, because hot melt has also been avoided the distortion of this wrapping paper.
The present invention is the description of carrying out in the mode of signal, should be appreciated that employed term only is for the present invention being described, not having restricted.According to the content of above instruction, the present invention can carry out many modifications and variations.Therefore, be appreciated that within the appended claims protection domain that the present invention is different from specifically described other form in addition.

Claims (9)

1. colored wrapping paper separately that is used for disposable sanitary napkin, it comprises:
One thin film in conjunction with non-woven fabrics, it comprises that basis weight is 4～25g/m 2Non-woven fabrics and basis weight be 2～20g/m 2Thin polymer film; And
One chromatic organosilicon releasing layer, it is coated in this in conjunction with on the thin film of non-woven fabrics and this coating agent of heat cure and forming by a heat cured coloured organosilicone being applied agent on this thin film in conjunction with non-woven fabrics,
Described chromatic organosilicon releasing layer is arranged in an individual packages bag, thereby covers the hot-melt adhesive of independent sanitary towel.
2. the independent wrapping paper of colour as claimed in claim 1 is characterized in that, this chromatic organosilicon releasing layer comprises that an organosilicon that contains the thermosetting organopolysiloxane applies agent.
3. the independent wrapping paper of colour as claimed in claim 1, it is characterized in that, this in conjunction with the film surface of non-woven fabrics on and in the independent packaging area in this sanitary towel, can cover the mode of the hot melt of this sanitary towel with this chromatic organosilicon releasing layer, contain the partial color organosilicon releasing layer part that coloured organosilicone applies agent with one and be formed on this surface in conjunction with non-woven thin-film.
4. the independent wrapping paper of colour as claimed in claim 3, it is characterized in that, on this thin film in conjunction with non-woven fabrics, limit the independent packaging area that labelling is separated out this sanitary towel by one, and comprise local organosilicon releasing layer that coloured organosilicone applies agent be with this part organosilicon releasing layer and this qualification labelling apart the mode of a side-play amount be formed on this thin film that combines non-woven fabrics.
5. the independent wrapping paper of colour as claimed in claim 1 is characterized in that, on this thin film, form in conjunction with non-woven fabrics, this comprises partial color organosilicon releasing layer that coloured organosilicone applies agent and is narrower than this thin film in conjunction with non-woven fabrics.
6. the independent wrapping paper of colour as claimed in claim 1, it is characterized in that this partial color organosilicon releasing layer that comprises coloured organosilicone coating agent combines the thin film of non-woven fabrics with band shape, while with this both sides all are formed on this thin film in conjunction with non-woven fabrics at a distance of the mode of a preset distance.
7. the independent wrapping paper of colour as claimed in claim 1 is characterized in that, this coloured organosilicone releasing layer comprises this coloured organosilicone and applies agent, and the interpolation coloring agent makes in the agent by applying to the thermosetting organosilicon in this coating agent.
8. as claim 1 or the independent wrapping paper of 7 described colours, it is characterized in that, this coloured organosilicone applies agent and heat cure should apply agent by applying in conjunction with the thin film of non-woven fabrics to this, formed this coloured organosilicone releasing layer on this thin film in conjunction with non-woven fabrics, this coating agent is to comprise by applying to the thermosetting organosilicon adding prepared this coloured organosilicone coating agent of the coloring agent that comprises pigment or dyestuff in the agent.
9. as claim 1, the independent wrapping paper of each described colour in 3,4,5 and 6 is characterized in that, prints ornamental pattern at this in conjunction with a nonwoven surface of non-woven thin-film.
CNB028026179A 2001-10-05 2002-01-28 Colored individual packages of disposable sanitary napkin Expired - Fee Related CN1271981C (en)

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WO2005102240A1 (en) * 2004-04-23 2005-11-03 Yinhai Yang A method of manufacturing a sanitary napkin color-packaged
CN1899232B (en) * 2005-05-23 2011-08-24 宇汉-金伯利有限公司 Quiet peel strip for protecting adhesive surface of absorbent article and quiet bag wrapper
CN103211545A (en) * 2012-01-18 2013-07-24 宁波工程学院 Wet tissue for escape during fire and preparation method thereof
CN103211545B (en) * 2012-01-18 2016-03-30 宁波工程学院 A kind of wet tissue for escaping during fire and preparation method thereof

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KR20030029441A (en) 2003-04-14
JP2005504604A (en) 2005-02-17
CN1271981C (en) 2006-08-30
WO2003030796A1 (en) 2003-04-17
EP1439805A1 (en) 2004-07-28
KR100635618B1 (en) 2006-10-17

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