CN206383616U - A kind of composite elastic material and hygienic articles - Google Patents
A kind of composite elastic material and hygienic articles Download PDFInfo
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- CN206383616U CN206383616U CN201621473778.5U CN201621473778U CN206383616U CN 206383616 U CN206383616 U CN 206383616U CN 201621473778 U CN201621473778 U CN 201621473778U CN 206383616 U CN206383616 U CN 206383616U
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- elastic material
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Abstract
The utility model provides a kind of composite elastic material applied to hygienic articles, including is sequentially overlapped the TPUE rubber membrane, moisture-curable reaction type polyurethane hot-melt adhesive and elastic non-woven cloth of setting.Present invention also provides a kind of hygienic articles, top layer non-woven fabrics, absorber and composite elastic material including being sequentially overlapped setting, the composite elastic material is composite elastic material described herein, and the TPUE rubber membrane of the composite elastic material is contacted with absorber.Elastic non-woven cloth is combined together by the application using PUR glue with TPU membrane, because PUR glue can form irreversible crosslinking curing structure, so as to form more firm durable glue-line, make composite elastic material to elastically keep the time permanent.
Description
Technical field
The utility model is related to hygienic articles technical field, more particularly to a kind of composite elastic material and hygienic articles.
Background technology
Hygienic articles (particularly disposable sanitary product) have various types of service, including baby' diaper, feminien hygiene
Product (such as menopad, sanitary napkin and feminine hygiene pads) and adult-incontinence articles (for example incontinence pad and it is disposable in
Clothing).Each in these products is both designed to absorb and/or retains liquid and other bodily exudates, and generally needs
Product is wanted to be secured in position by the body of wearer.This can be carried out by following steps：Product is directly adhered to its own,
So that product around wearer's (for baby' diaper and disposable underwear) or is directly adhered to certain part clothing (with regard to women by it
For hygienic articles and adult incontinence pads) or product is directly adhered to user's skin (with regard to feminine hygiene article and incontinence
For pad).One of most common mechanism of ammonium fixation is that hygienic articles are adhered into certain part clothing, for example：Underwear.It typically, there are
Two kinds can realize the major way of fixation：(a) mechanical fasteners are used using bonding buckling clamping part, or (b).
The elastomeric material of disposable sanitary articles such as sanitary napkin, paper diaper etc. often uses elastic, spandex in the prior art
Silk or other flexible materials are added in product to ensure the elasticity of articles for use, to realize the purpose such as fixed.But above-mentioned material
The elastomeric material of matter tends not to keep elasticity for a long time, and easily breaks in use, cause the puzzlement of user with
It is awkward.
Utility model content
The technical problem that the utility model is solved is to provide a kind of composite elastic material applied to hygienic articles, this Shen
The composite elastic material that please be provide to elastically keep the time permanent.
In view of this, this application provides a kind of composite elastic material applied to hygienic articles, including it is sequentially overlapped and sets
TPUE rubber membrane, moisture-curable reaction type polyurethane hot-melt adhesive and the elastic non-woven cloth put.
It is preferred that, the TPUE rubber membrane is 12~30gsm.
It is preferred that, the model monoester type or double epoxy-type of the moisture-curable reaction type polyurethane hot-melt adhesive.
It is preferred that, the elastic non-woven cloth is spun-bonded non-woven fabrics or hot-wind nonwoven cloth.
It is preferred that, the elastic non-woven cloth is 15~40gsm.
It is preferred that, the moisture-curable reaction type polyurethane hot-melt adhesive by way of roller coat or spraying respectively with thermoplasticity
Elastic polyurethane body rubber, elastic non-woven cloth are combined.
Present invention also provides a kind of hygienic articles, including the top layer non-woven fabrics of setting, absorber are sequentially overlapped with being combined
Elastomeric material, the composite elastic material is the composite elastic material described in such scheme, the thermoplastic of the composite elastic material
Property polyurethane elastomer rubber membrane is contacted with absorber.
This application provides a kind of composite elastic material applied to hygienic articles, including it is sequentially overlapped the thermoplasticity of setting
Elastic polyurethane body rubber (TPU) film, moisture-curable reaction type polyurethane hot-melt adhesive (PUR) and elastic non-woven cloth.The application is adopted
Elastic non-woven cloth is combined together with TPU membrane with PUR glue, because PUR glue is without solvent, insipidness, its xanthan molecule with
Hydrone in air reacts, and forms irreversible crosslinking curing structure, so as to form more firm durable glue-line, makes multiple
The flex time for closing elastomeric material keeps permanent.
Brief description of the drawings
Fig. 1 is the structural representation of the composite elastic material of the utility model embodiment 1；
Fig. 2 is the structural representation of the composite elastic material of the utility model embodiment 2；
Fig. 3 is the schematic device that the utility model roll coating model prepares composite elastic material.
Embodiment
For a further understanding of the utility model, the utility model preferred embodiment is retouched with reference to embodiment
State, but it is to be understood that these descriptions are simply to further illustrate feature and advantage of the present utility model, rather than to this practicality
The limitation of new claim.
The utility model embodiment discloses a kind of composite elastic material applied to hygienic articles, including is sequentially overlapped and sets
TPUE rubber (TPU) film, moisture-curable reaction type polyurethane hot-melt adhesive (PUR) and the elastomeric nonwoven put
Cloth.
TPU membrane is combined together by the application using PUR glue with elastic non-woven cloth, because PUR glue can form irreversible
Crosslinking curing structure, so that make the obtained more firm durable glue-line of composite elastic material formation, it is permanent to keep preferably elasticity.
According to the utility model, the composite elastic material is when being actually used in hygienic articles, respectively TPU from top to bottom
Film, PUR glue and elastic non-woven cloth.Wherein TPUE rubber (TPU) film is a kind of (AB)nType block linearly gathers
Compound, A is the polyester or polyethers of HMW, and B is the glycol containing 2~12 carbons, and the intersegmental chemical constitution of AB chains is two
Isocyanates.The TPU membrane has certain elasticity, and grammes per square metre is preferably 12~30gsm.
Described its mechanism of action of moisture-curable reaction type polyurethane hot-melt adhesive (PUR) be base polyurethane prepolymer for use as with air
The chemical constitution of reaction of moisture, solidification crosslinking and formation stabilization.Herein described PUR glue is located at TPU membrane and elastic non-woven cloth
Centre, it is without solvent, insipidness, and it is Reactive hot melt adhesive, and its xanthan molecule reacts with the hydrone in air,
With reference to slowly being carried out, it is necessary to which 4~12h, is completed once reacting, its structure is irreversible, forms firm durable solidification
Structure, so as to ensure that the elasticity of composite elastic material.The model of herein described PUR glue include monoester type, double epoxy-type or its
His model.
Herein described elastic non-woven cloth is non-woven fabrics well known to those skilled in the art, not special to this application
Limitation, example, the elastic non-woven cloth can be spun-bonded non-woven fabrics, hot-wind nonwoven cloth or other flexible non-woven fabrics.
The grammes per square metre of herein described elastic non-woven cloth is preferably 15~40gsm, example, the grammes per square metre of the elastic non-woven cloth for 20~
35gsm。
According to the utility model, the preparation method of the composite elastic material is according to method well known to those skilled in the art
Preparation.In embodiment, the compound of the composite elastic material can be prepared using techniques such as roller coat or sprayings；More
Body, herein described composite elastic material is prepared by the way of the roller coat, and the roller coat is to make PUR glue with transfer roller
Carrier, PUR glue forms certain thickness glued membrane in roll surface, then contacted by transfer roller in rotation process with TPU, will
PUR is coated in TPU surface, and the shape of PUR glue is determined by pattern raised on transfer roller, designs different patterns, can be with
Obtain different glue shapes.The preparation method of the roller coat is specially：
A) transfer roller is rotated, by the moisture-curable reaction type polyurethane hot-melt adhesive below transfer roller glue groove when, in transfer roller
Surface forms moisture-curable reaction type polyurethane hot-melt adhesive；
B) the TPUE rubber membrane is unreeled, is contacted with the obtained transfer rollers of step a), consolidate moisture
Change the surface that reaction type polyurethane hot-melt adhesive is transferred to TPUE rubber membrane, obtain coated face, applied described
Glue surface is combined with the elastic non-woven cloth unreeled, then carries out concora crush, obtains elastic composite.
During above-mentioned roller coat, middle PUR glue-lines are coated in the TPU membrane of upper strata first, then with the elastic nothing of lower floor
Spin cloth to combine, and realize the preparation of elastic composite.The temperature of the transfer roller is 80~120 DEG C, in certain embodiments,
The temperature of the transfer roller is 85~110 DEG C；The pressure of the transfer roller is 0.2~0.8Pa, in certain embodiments, the transfer roller
Pressure position 0.4~0.7Pa；The gap of the transfer roller is 1.7~2.1mm, and in certain embodiments, the gap of the transfer roller is
1.8~2.0mm；The temperature of the glue groove of the moisture-curable reaction type polyurethane hot-melt adhesive is 80~120 DEG C, in some embodiments
In, the temperature is 90~110 DEG C.The temperature of the concora crush is 50~90 DEG C, in certain embodiments, the temperature of the concora crush
For 65~85 DEG C, the pressure of the concora crush is 0.2~0.8Pa, in certain embodiments, the pressure of the concora crush for 0.4~
0.6Pa., can be according to the shape of transfer roller punch-pin during roller coat, and prepare different shape, the PUR glue of decorative pattern.
Present invention also provides a kind of hygienic articles, the hygienic articles are sequentially overlapped the top layer non-woven fabrics of setting, absorbed
Body and composite elastic material, the composite elastic material are the composite elastic material described in such scheme, the composite elastic material
The TPUE rubber membrane of material is contacted with absorber.
A kind of composite elastic material applied to hygienic articles of this patent utility model, it is poly- using moisture-curable response type
Urethane PUR is elastic non-woven cloth together with TPUE rubber (TPU) film combination；This PUR glue without
Solvent, insipidness, its xanthan molecule reacts with moisture in air, irreversible glue connection consolidated structures is formed, so that shape
Into more firm durable glue-line, retention time permanent elasticity.
For a further understanding of the utility model, the composite elastic material provided with reference to embodiment the utility model
It is described in detail, protection domain of the present utility model is not limited by the following examples.
As shown in figure 3, Fig. 3 is schematic device prepared by the utility model composite elastic material.
Embodiment 1
A) transfer roller on PUR glue grooves top in Fig. 3 is rotated, heated by the moisture-curable reaction type polyurethane below transfer roller
In roll surface formation moisture-curable reaction type polyurethane hot-melt adhesive during the glue groove of glue, the temperature of transfer roller is 100 DEG C, and pressure is
0.5Pa, transfer roller gap is 1.95mm, and the temperature of glue groove is 100 DEG C；
B) the TPUE rubber membrane is unreeled, is contacted with the obtained transfer rollers of step a), consolidate moisture
Change the surface that reaction type polyurethane hot-melt adhesive is transferred to TPUE rubber membrane, obtain coated face, applied described
Glue surface is combined with the elastic non-woven cloth unreeled, then carries out concora crush, obtains being sequentially overlapped the TPU membrane of setting, PUR glue and elasticity
Fig. 1 of non-woven fabrics elastic composite, the temperature of concora crush is 75 DEG C, and pressure is 0.5MPa；The grammes per square metre of wherein TPU membrane is
12gsm, the grammes per square metre of elastic non-woven cloth is 15gsm.
Test result indicates that：Composite elastic material coefficient of elasticity manufactured in the present embodiment is 1~2N/cm, is stretched with high
Long rate and recoverability；Elongation at break reaches 200%~250%, and when it is 180% to draw high elongation, it draws high elasticity and returned
Multiple rate can reach 90%~95%.
Embodiment 2
The preparation method of composite elastic material is same as Example 1, and difference is：The gap of transfer roller is 2.0mm；Transfer roller
Punch-pin shape is changed, and resulting in composite elastic material as shown in Figure 2, gram of the TPU membrane of composite elastic material
Weight is 20gsm, and the grammes per square metre of elastic non-woven cloth is 30gsm.
Test result indicates that, composite elastic material coefficient of elasticity manufactured in the present embodiment is 3~5N/cm, elongation at break
For 220%~320%；When it is 200% to draw high elongation, draws high elastic recovery rate and can reach 90%~95%.
The explanation of above example is only intended to help and understands method of the present utility model and its core concept.It should refer to
Go out, for those skilled in the art, can also be to this on the premise of the utility model principle is not departed from
Utility model carries out some improvement and modification, and these are improved and modification also falls into the utility model scope of the claims
It is interior.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (7)
1. a kind of composite elastic material applied to hygienic articles, including it is sequentially overlapped the TPUE rubber of setting
Glued membrane, moisture-curable reaction type polyurethane hot-melt adhesive and elastic non-woven cloth.
2. composite elastic material according to claim 1, it is characterised in that the TPUE rubber membrane
For 12~30gsm.
3. composite elastic material according to claim 1, it is characterised in that the moisture-curable reaction type polyurethane hot melt
The model monoester type or double epoxy-type of glue.
4. composite elastic material according to claim 1, it is characterised in that the elastic non-woven cloth be spun-bonded non-woven fabrics or
Hot-wind nonwoven cloth.
5. composite elastic material according to claim 1, it is characterised in that the elastic non-woven cloth is 15~40gsm.
6. composite elastic material according to claim 1, it is characterised in that the moisture-curable reaction type polyurethane hot melt
Glue is combined with TPUE rubber, elastic non-woven cloth respectively by way of roller coat or spraying.
7. a kind of hygienic articles, including top layer non-woven fabrics, absorber and the composite elastic material of setting are sequentially overlapped, it is described compound
Elastomeric material is the composite elastic material described in any one of Claims 1 to 5, the thermoplastic polyurethane of the composite elastic material
Elastomer rubber film is contacted with absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621473778.5U CN206383616U (en) | 2016-12-29 | 2016-12-29 | A kind of composite elastic material and hygienic articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621473778.5U CN206383616U (en) | 2016-12-29 | 2016-12-29 | A kind of composite elastic material and hygienic articles |
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| Publication Number | Publication Date |
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| CN206383616U true CN206383616U (en) | 2017-08-08 |
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| CN201621473778.5U Active CN206383616U (en) | 2016-12-29 | 2016-12-29 | A kind of composite elastic material and hygienic articles |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494049A (en) * | 2016-12-29 | 2017-03-15 | 上海护理佳实业有限公司 | A kind of composite elastic material and hygienic articles |
| CN110154454A (en) * | 2019-05-24 | 2019-08-23 | 嘉兴德永纺织品有限公司 | A kind of production technology of Waterproof Breathable elastic force non-woven fabrics |
| WO2020259364A1 (en) * | 2019-06-28 | 2020-12-30 | 宁波市江北振邦纺织复合面料有限公司 | Waterproof cleaning fabric for daily use and composite production process therefor |
-
2016
- 2016-12-29 CN CN201621473778.5U patent/CN206383616U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494049A (en) * | 2016-12-29 | 2017-03-15 | 上海护理佳实业有限公司 | A kind of composite elastic material and hygienic articles |
| CN110154454A (en) * | 2019-05-24 | 2019-08-23 | 嘉兴德永纺织品有限公司 | A kind of production technology of Waterproof Breathable elastic force non-woven fabrics |
| WO2020259364A1 (en) * | 2019-06-28 | 2020-12-30 | 宁波市江北振邦纺织复合面料有限公司 | Waterproof cleaning fabric for daily use and composite production process therefor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180907 Address after: 477200 eastern section of purple Avenue, Luyi County, Henan Patentee after: Henan Chia Jia Industrial Co., Ltd. Address before: 201711 Baishi highway 2288, Qingpu District, Shanghai Patentee before: Shanghai Hulijia Industrial Co., Ltd. |