CN102146176A - Single-layer elastic film composition, multi-layer elastic film composition and elastic sheet - Google Patents
Single-layer elastic film composition, multi-layer elastic film composition and elastic sheet Download PDFInfo
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- CN102146176A CN102146176A CN2010101067091A CN201010106709A CN102146176A CN 102146176 A CN102146176 A CN 102146176A CN 2010101067091 A CN2010101067091 A CN 2010101067091A CN 201010106709 A CN201010106709 A CN 201010106709A CN 102146176 A CN102146176 A CN 102146176A
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Abstract
The invention discloses a single-layer elastic film composition, a multi-layer elastic film composition and an elastic sheet. A single-layer elastic film can be formed by at least one elastic polymer with an olefin basis and at least one effective polymer. A multi-layer elastic film can be composed of a first layer and a second layer, wherein the first layer contains at least one elastic polymer with an olefin basis and at least one first slip agent; and the second layer contains at least one elastic polymer and at least one second slip agent. The single-layer elastic film or multi-layer elastic film can be combined with at least one elastic carrier to form one elastic sheet.
Description
Technical field
The present invention relates to a kind of Elastic Film and elastic sheet that is used in fields such as clothing, personal hygiene article.
Background technology
Being of wide application of elastical cloth for example can be used for providing wear suitable, next to the shin such as clothings such as Sportswears.Elastical cloth with resilience and effective barriering effect also can be applied in for example cuff of insulation garment, avoids temperature to run off from cuff, to keep body temperature.The clothes of some type must have suitable screen resilience and barrier property simultaneously, for example the diaper of personal hygiene article, urine trousers etc.More proximate elastical cloth technology in the prior art, after being to use hot melt adhesive to fit in not possess elastic lining (for example general common tNonwovens) to form matrix material, carry out Physical Processing or chemical treatment again, make this matrix material have elasticity, or even have only extensibility and do not have healing properties.
The used resilient material of elastical cloth of the prior art is comparatively expensive, if resilient material is made film can reduce manufacturing cost, yet the processing procedure of producing film is very complicated, and technology in the past is easy to produce when making Elastic Film tear and broken hole.
Summary of the invention
Purpose of the present invention, be to solve in the prior art processing procedure of elastical cloth and be with hot melt adhesive fit in do not possess elastic lining and form matrix material after, carry out Physical Processing or chemical treatment again, make this matrix material have elasticity, or have only extensibility and do not have healing properties, its processing procedure is more loaded down with trivial details, the manufacturing cost problem of higher.
The present invention produces cheap Elastic Film or the elastic sheet of being made up of this Elastic Film earlier, replace hot melt adhesive of the prior art with Elastic Film or elastic sheet, be laminated with again in one or more layers lining (for example rubber-like tNonwovens), be laminated with the elastical cloth that forms after finishing and promptly directly have elasticity, do not need the matrix material made as prior art, to do Physical Processing again or chemical treatment makes it have elasticity, or even have only extensibility and do not have healing properties.The elastical cloth that processing procedure of the present invention produced not only directly can have extensibility, also has the material more made than conventional art to have real elastic resilience, and has good elasticity characteristic (as lower permanent set).Described Elastic Film or elastic sheet can be fit to provide the well-formedness and the comfortableness of clothes and personal-care supplies.
The present invention comprises the elastomer polymer that has an alkylene at least for the technique means of described Elastic Film, and is bonded to effective polymkeric substance of a rare lubrication prescription.The basic weight of Elastic Film is no more than 40 grams, and has after absolutely stretching and be no more than 15% permanent set.
Wherein, the elastomeric polymer of described olefin basis is selected from following group: olefin block copolymers, olefin random copolymer, ethylene copolymer, propylene copolymer, the vinyl olefins segmented copolymer, the propenyl olefin block copolymers, the vinyl olefins random copolymers, the propenyl olefin random copolymer, ethylene-propylene random copolymer, ethene-butene random copolymer, ethene-hexene random copolymers, ethene-alkene olefin block copolymers, the propylene-ethylene olefin block copolymers, ethylene, the ethylene ' alpha '-olefin random copolymers, ethylene ' alpha '-olefin block copolymers and composition thereof, wherein, the elastomeric polymer of described olefin basis accounts for mixture ratio 60%～95%.The elastomeric polymer of described olefin basis also can be replaced by the elastomeric polymer of non--olefin basis.
The described effective polymkeric substance that contains a lubrication prescription is selected from following group: LDPE new LDPE (film grade), HDPE high density polyethylene(HDPE), homopolymer polypropylene, and their mixture, described lubrication prescription account for the mixture weight percentage 1%～20%.
Elastic Film of the present invention can be a kind of film that comprises that multilayer is formed, and for example: the first layer is formed, and has the elastomeric polymer of an olefin basis at least, and has one first lubrication prescription at least; The second layer is formed, and has an elastomeric polymer at least, and has one second lubrication prescription at least; The basic weight of described Elastic Film is no more than 60 grams, and this multilayer elastic film is no more than 15% by the permanent set after absolutely stretching, and wherein, the basic weight of described each individual layer is 1 gram～10 grams.Wherein first lubrication prescription or second lubrication prescription account for the mixture weight percentage about 1%～25%.Described the first layer is formed the weight percent that accounts for this multilayer elastic film 10%～90%, and the second layer is formed the weight percent that accounts for multilayer elastic film 10%～90%.The elastomeric polymer that described the first layer is formed at least one contained olefin basis is selected from following group: ethylene-propylene random copolymer, ethene-butene random copolymer, ethene-hexene random copolymers, ethene alkene olefin block copolymers, propylene-ethylene olefin block copolymers, ethylene, ethylene ' alpha '-olefin random copolymers, ethylene ' alpha '-olefin block copolymers and composition thereof, wherein, described elastomeric polymer accounts for mixture ratio 70%～95%.This first layer is formed the elastomeric polymer that also can select non--olefin basis for use.
The elastomeric polymer that the described second layer is formed is the elastomeric polymer of an olefin basis, be selected from following group: ethene virtue yoke diene block copolymer, natural rubber, polyester rubber, polyamide elastomer, polyether rubber, styrene block copolymer, styrene-butadiene-styrene block copolymer, styrene-isoprene block copolymer, styrene-isoprene-butadiene-styrene block copolymer, styrene ethylene base butylene-styrene segmented copolymer, styrene-ethylene-propylene-based block copolymer, styrene-ethylene-propylene-styrene segmented copolymer, styrene-ethylene-ethylene-propylene-styrene block copolymer and composition thereof, described elastomeric polymer accounts for mixture ratio 5%～90%.
Described first lubrication prescription and second lubrication prescription are selected from following group: LDPE new LDPE (film grade), HDPE high density polyethylene(HDPE), homopolymer polypropylene, and their mixture, wherein first lubrication prescription or second lubrication prescription account for the mixture weight percentage about 1%～25%.Described second lubrication prescription also can be selected from following group: comprise polystyrene, high-impact polystyrene, linear low density polyethylene, high density polyethylene(HDPE), homopolymer polypropylene and their mixture, it is 3% that second lubrication prescription that the described second layer is formed accounts for mixture ratio.
Multilayer elastic film of the present invention, can further extend and comprise the 3rd layer of composition, the 3rd layer of composition has at least one second kind of elastomeric polymer, and has at least one the 3rd lubrication prescription, consisting of of three layers of this multilayer elastic film comprises two skins and an internal layer, wherein the first layer form and the 3rd layer consist of skin, the second layer consists of internal layer.Described the 3rd layer of composition has at least one second kind of alkylene elastomeric polymer.Be selected from: comprise styrene-butadiene-styrene block copolymer, styrene-isoprene block copolymer, styrene-isoprene, butadiene-styrene block copolymer, styrene-ethylene-propylene-based block copolymer, styrene-ethylene-propylene-styrene segmented copolymer, styrene-ethylene-ethylene-propylene-styrene block copolymer and composition thereof.The 3rd layer of composition can have at least one second kind non--alkylene elastomeric polymer.Described the 3rd lubrication prescription is selected from: comprise polystyrene, high-impact polystyrene, linear low density polyethylene, high density polyethylene(HDPE), homopolymer polypropylene, and their mixture.
Described the first layer is formed with the 3rd layer of composition and can be of identical composition.
It is 5%～50% that aforementioned single skin accounts for weight percent, and it is 10%～90% that internal layer accounts for weight percent.The weight percent that described the first layer is formed approximates the 3rd layer of weight percent that composition occupies greatly in described multilayer elastic film.
The elastic sheet that the present invention is made by Elastic Film can comprise individual layer Elastic Film or multilayer elastic film and at least one carrier; Elastic Film be combined with each other as the carrier of base material and formed elastic sheet.The basic weight of described carrier is at 3 grams～200 grams.This resilient support includes elastic non-woven, be selected from following group: elasticity spin glutinous non-woven, elasticity combing non-woven, elasticity melt-blowing nonwoven, elasticity spunlace non-woven cloth, elasticity SMS spin glutinous-melt and spray-spin glutinous non-woven, elasticity SMMS spin glutinous-melt and spray-melt and spray-spin glutinous non-woven, elasticity does not have the non-woven of cohering, and their combination.
Described individual layer Elastic Film or multilayer elastic film and this carrier compound can use gluing, heat to bind, extrude compound, ultrasound welding, calendering with its combination.
Elastic sheet of the present invention can further comprise two elastic non-woven cloths, and the first surface of described individual layer Elastic Film or multilayer elastic film is compounded in wherein one first elastic non-woven cloth, compound another second elastic non-woven cloth of second surface.This first elastic non-woven cloth and second elastic non-woven cloth can be identical materials.
The present invention is to comprise that the elastomeric polymer of an alkylene becomes film with at least one lubrication prescription mixture of polymers pouring film for the manufacture method of Elastic Film.
According to the Elastic Film that aforementioned the present invention discusses, can adopt low grammes per square metre to produce.In some embodied, Elastic Film was the polyolefin basic layer of a single thin film; This individual layer Elastic Film is by a polyolefin basic layer, and the elastomeric polymer of one or more alkylenes mixes one or more lubrication prescription polymkeric substance.Elastic Film also can be that multilayer film have polyolefin basic layer.These multilayer film can be two layers, three layers, four layers, five layers or more multi-layered.Elastic Film also can compound one or more elastic fabrics (as elastic non-woven cloth).
Aforesaid lubrication prescription is a kind of high molecular polymer, is meant the attribute or the processing characteristics of adding or strengthening one or more films, so can increase the success ratio of the course of processing.For example, the lubrication prescription polymkeric substance can help to reduce the specification of film thining aborning.In some embodiments, lubrication prescription can help when film drenches film, assists to provide the speed of production line to increase or reduce.The processing benefit that other is possible, be to add lubrication prescription and can improve the stable of melt-flow curtain, and then a ganoid film is provided, polymer melt than low-viscosity is provided, better thermotolerance is provided (for example, increasing the thermostability of film), resistance to tearing is provided, the formation that reduces hole is provided, a may command and a homogeneous thickness are provided or the synthetic composition of a unification is provided.This lubrication prescription polymkeric substance can be used as processing aid and uses with lubricated mould, reduces from the stickiness of elastomeric polymer and the problem of dissolving of the elastic resin that reduces high resistance to flow.Certainly, the interpolation of lubrication prescription can help the combination of a kind of polymkeric substance or multiple polymers, to help the pouring film or the processing of film.
Described lubrication prescription polymkeric substance for example can adopt, linear low density polyethylene (LLDPE (for example, ELITE
TM5800, Dow Chemical) it is synthetic to be added to thin film, to reduce the viscosity of polymer melt, improves the workability that film drenches film.High pressure polystyrene (HIPS) (for example, STYRON
TM485, Dow Chemical), can help to control the film rerum natura, improve the toughness of film, and reduce the whole cost of resilient material.Polypropylene can improve elastomeric intensity, improves the hole of film and tears resistibility.Homo-polypropylene (HPP) (for example, INSPIRE
TMD118.01, Dow Chemical; Polypropylene 3622 polypropylene, the Da Er petrochemical industry) can be added to improve processing characteristics.HPP is polyacrylic a kind of form, is the propylene monomer of highly crystalline and 100%.At some specific exampless, HPP is added to the elastomeric polymer (as styrene block copolymer) that a layer is formed, and in some cases, film can be drenched film and become thin specification, improves the consistence of rerum natura.
The lubrication prescription polymkeric substance can be LLDPE linear low density polyethylene, propylene, homopolymer polypropylene, HIPS high pressure polystyrene, and their mixture, and described lubrication prescription accounts for the mixture weight percentage 1%～20%.The lubrication prescription polymkeric substance can be the single step catalyzer (single-site) of polymkeric substance, as metallocene catalyst (metallocene catalyst); For example, produce polyolefine metallocene catalyst (for example, ELITE
TM5800, Dow Chemical).The selection of lubrication prescription polymkeric substance and quantity rely on the composition (for example selection lubrication prescription of the elastomeric polymer of alkylene) in other layer.The quantity of lubrication prescription polymkeric substance depends on the attribute that will improve how many films, helps the film processed preparation process.The total quantity of lubrication prescription polymkeric substance (being the mixing quantity of one or more lubrication prescription polymkeric substance) can be 5%～45% weight percent.
The elastomeric polymer of alkylene can be olefin block copolymers, olefin random copolymer, ethylene copolymer, propylene copolymer or its mixture.At some specific exampless, the elastomeric polymer of alkylene can be segmented copolymer, natural rubber, urethanes, polyester rubber, rubber polymeric amide, polyether rubber, polyisoprene or its mixture of ethene virtue and conjugated diolefine.At some specific exampless, the elastomeric polymer of alkylene can be ethylene-olefin segmented copolymer, propylene-olefin block copolymers, ethylene-olefin random copolymers, propylene-olefin random copolymer or its mixture.In other specific implementation, the alkene elastomeric polymer can be ethylene-propylene random copolymer, ethene-butene random copolymer, ethene-amylene hydrocarbon block copolymer, ethene-hexene random copolymers, ethene-heptene olefin block copolymers, ethylene-octene olefin block copolymers, ethene-nonene olefin block copolymers, ethene-certain herbaceous plants with big flowers alkene olefin block copolymers, propylene-ethylene olefin block copolymers, ethene-alpha-olefin copolymer, ethene-alpha-olefin random copolymers, ethylene-a-olefin block copolymer or its mixture.Another embodiment, alkylene elastomeric polymer are olefin block copolymers (OBCs), and this is elastic polyethylene and ethylene copolymers, and the trade(brand)name of selling is INFUSE for example
TMBy Dow Chemical (as INFUSE
TM9107) produce.The alkylene elastomeric polymer of other example is the different amount Molecularly Imprinted Polymer of polypropylene and polyethylene, the trade(brand)name VISTAMAXX that sells
TM, by exxonmobil chemical company production (as, VISTAMAXX
TM1100).The gross weight of alkylene elastomeric polymer, with respect to the weight of layer, about 10%～90%.In some cases, the total amount of alkylene elastomeric polymer can be at least 10%～70%.
The alkylene elastomeric polymer selects quantity to depend on that olefin layer or elastic film layer need improve or strengthen the rerum natura number of (comprising processing characteristics).The alkylene elastomeric polymer can provide better thermotolerance (for example, having increased film heat stability), for example unsaturated styrene block copolymer elastomer.This better thermotolerance can help processing or drench film, and for example, the film of alkylene elastomeric polymer can drench film under comparatively high temps makes and do not have tangible thermal destruction, and viscosity is lower, does not tear or hole when approaching specification.The alkylene elastomeric polymer can have the enhancing of other processing characteristics, so they can extrude cast film easilier.In addition, the alkylene elastomeric polymer has the chemical property of the non-woven that similar polyolefine makes.This chemical substance similarity can be improved the chemical affinity between thin film layer and non-woven cloth layer.Therefore, thin plate has higher cohesive strength.
Elastic Film can select to comprise other composition, under some example, changes property of thin film, helps making or changing appearance of films of film.Viscosity-reduction polymkeric substance and softening agent fluidizer can be added into as processing aid.The HDPE high density polyethylene(HDPE) can add in order to help prevent the aging of other polymkeric substance and to degenerate.Other additive, as pigment, dyestuff, antioxidant, static inhibitor, slipproofing agent, whipping agent, thermo-stabilizer, photostabilizer, mineral filler, organic filler or combination can be added.The weight percent of these composition opposite layers about 0.1%～10%.
The complete processing of any system film all can be used on the processing procedure of making elastica.For example, any hybrid process as melt blending, can be used.In addition, any extruding casting technique drenches film or blown film as curtain coating and extrudes and all can be used to form film.If elastica is a kind of multilayer film, this multilayer film can the co-extrusion process form.
The basic weight of Elastic Film (for example, a unitary film) can not surpass 40 grams, for instance, and can about 0.1 gram～40 grams.In some embodiments, basic weight restrains 10 grams by about 1.
The permanent set of Elastic Film is replied after stretching 100% and is no more than 15%, about 0.5%～15%.
At some specific exampless, the contained polymkeric substance of elastic thin polymer film layer just had self-stickiness or stickness originally.When this class Elastic Film pouring film and harvest volume, film oneself sometimes binds mutually, and becoming sometimes is difficult to or may unreel.Problem can be resolved on certain methods.For example, utilize inorganic materials (as quartz or talcum powder) such as anti-hard caking agent (antiblocking agents), use powder can incorporate in the layer of film.Anti-hard caking agent also can film drenches and spreads outside surface when film forms.The elasticity of film can surface coated (surface-coated) have the material of stickiness yet, as brittle polymer (brittle nonblocking polymer), and as lacquer or printing ink, or other similar coating.
Concrete extension of the present invention, described Elastic Film can be the multilayer films of one deck or a plurality of layers.Some multiwalled examples, Elastic Film can comprise two or more multi-layered, for example (1) first or polyolefin basic layer, mix one or more lubrication prescription polymkeric substance by one or more alkylene elastomeric polymer, as mentioned above, for example, comprising one with selecting the additional flexibility polymkeric substance, is not the alkylene elastomeric polymer; (2) second layer comprises one or more elastomeric polymer, mixes one or more lubrication prescription polymkeric substance.Elastomeric polymer can be the alkylene elastomeric polymer at the second layer, non-olefinic based elastomeric polymkeric substance, or its combination.One or more lubrication prescription polymkeric substance in the first layer can be identical or different with one or more lubrication prescription polymkeric substance of the second layer.At the example of two-layer multilayer film, polyolefin basic layer is claimed " upper layer " sometimes.The second layer is claimed " central stratum " sometimes.These two layer films can be into multilayer film.
In the example of trilamellar membrane, can be the ABC sandwich interlayer pattern of co-extrusion multilayer film.In trilaminar sandwich structure, the A layer can be combination identical or inequality with the C layer.At A layer and the film forming skin of C layer, be sometimes referred to as " upper layer ".At the B layer, this also is to be called as " central stratum ", and this layer is by one or more elastomeric polymers, and this elastomeric polymer can be the alkylene elastomeric polymer, or its combination.
In some embodiments, as required, the Elastic Multi-layer film can comprise anti-hard caking agent or other assembly, with solve polymer layer stickiness in essence the obstructing problem that may cause.
As mentioned above, any suitable blending means can be used for part layer is mixed composition together.In addition, any extrusion process is extruded as extruding or blown film and all be can be used for elasticity and form multilayer film.
Extra treatment step can be used for processing aforesaid Elastic Film, as print, cut, other film and other this type of process of composite bed.
Described herein Elastic Film can also be used to form veneer sheet.This veneer sheet comprises one or more substrate layers and elastomer thin film (single or multiple lift).Substrate layer may be a resilient material that extension and recovery capacity are arranged, and includes but not limited to other polymeric film, cloth, non-woven, Woven Fabrics, looped fabric.This Elastic Film can bind the one or both sides of substrate layer.
When two or more precoats were used to form thin plate, substrate layer can use resilient material identical or inequality.An expansion material uses even coexist, and the precoat of composition can be identical or inequality.Substrate layer (as elastic non-woven) can have the basis weight that is about 3 grams～200 grams.If use two precoats, basic weight can be identical or inequality.In some embodiments, substrate layer is an elastic non-woven.For example, precoat can be that elasticity (is for example spun glutinous non-woven, elasticity combing non-woven fabrics, heat is binded, gluing, or water thorn), elasticity melt-blowing nonwoven, elasticity spunlace non-woven cloth, elasticity spin glutinous-melt and spray-spin glutinous non-woven, elasticity spin glutinous-melt and spray-melt and spray-spin glutinous non-woven, elasticity does not have the non-woven of cohering, elasticity static non-woven fabrics or its combination.These fabrics can comprise polyolein fiber, as polypropylene or polyethylene, polyester, polymeric amide, urethane, elastomerics, artificial silk, Mierocrystalline cellulose, multipolymer section or its blending or its mixture.The non-woven fiber also can comprise those homostyructures or form bicomponent structure.
Embodiment
Those skilled in the art below cooperate Figure of description that embodiments of the present invention are done more detailed description, so that can implement after studying this specification sheets carefully according to this.
Following Example can be further used for embodying the present invention, but is not to do any restriction for the present invention.
" embodiment one "
Elastical cloth material of the present invention comprises an individual layer Elastic Film and two-layer non-woven.The material that comprises in the individual layer Elastic Film, 90% is VISTAMAXX
TM1100 polyolefin elastomers (ExxonMobil Chemical's product), 5% is ELITE
TM5800 linear low density polyethylenes (Dow Chemical's product), 5% is that (Schulman 8500, Shu Erman) for white masterbatch.The individual layer coating materials is by the squeeze casting technology manufacturing.Film basic weight 20 grams～14 grams are extruded basic weight fluctuation floating-point and are lower than 20%.These films are extruded two-layer 15 grams of compound
Spin glutinous-melt and spray-melt and spray-spin glutinous (SMMS) the elastomeric polypropylenes non-woven (Golden Phoenix Fiberwebs, Inc.).Made elastical cloth material has good stretching and recovery characteristics, and effectively eliminates hole and tear.
" embodiment two "
Elastical cloth material of the present invention can comprise the Elastic Multi-layer film of the sandwich structure of a two-layer elastic non-woven and an ABA type, in the sandwich sandwich structure of ABA, has the multilayer film of 25%: 50%: 25% ratio to form respectively.Wherein, at the A layer, 80% is VISTAMAXX
TM1100 polyolefin elastomers, 10% is ELITE
TM5800 linear low density polyethylenes, 5% is INSPIRE
TMD118.01 homopolymer polypropylene (DOW Chemical) and 5% is
M6060 high density polyethylene(HDPE) (Kui Sita chemistry).In the B layer, 80% is VECTOR
TM(10% is ELITE to 421 (Dexco polymkeric substance) styrene isoprene vinylbenzene for styrene-isoprene-styrene, segmented copolymer SIS)
TM5800 linear low density polyethylenes, 5%INSPIRE
TM(Schulman 8500, Shu Erman) for D118.01 homopolymer polypropylene and 5% white master material.This plurality of resilient membranes is produced by multilayer extruding pouring membrane technique.The film target basis weight less than 20 the gram in addition be low to moderate 10 the gram; Under the situation that does not have the tear drop broken hole to take place, basic weight fluctuates less than 20%.Described film is to drench film to be compounded in two-layer 8 grams
Spin glutinous-melt and spray-melt and spray-spin glutinous (SMMS) elastomeric polypropylenes non-woven (Golden Phoenix Fiberwebs, Inc.).Made elastical cloth material has good stretching and recovery characteristics, and made elastic sheet can effectively be eliminated hole and tear.
" embodiment three "
The present invention utilizes two 10 grams
(GoldenPhoenix Fiberwebs is Inc.) as elastomeric two surfaces to spin the viscoelasticity polypropylene nonwoven.The composition of Elastic Film comprises: 90% is VISTAMAXX
TM1100 Exxon Mobils, 5% be linear low density polyethylene (LLDPE, ELITE 5800, DOW Chemical), 3% is that (Schulman 8500, Shu Erman) for white master batch, with 2% be processing aid (LUVOFILM 9679, the graceful Butterworth of Lay), can be made into the Elastic Film of white.This Elastic Film is 20 grams, and last basic weight is 40 grams (10 gram non-woven fabrics+20 gram films+10 gram non-woven fabrics) behind the matrix material.By contrast, same elastic sheet does not add linear low density polyethylene, and 95% is VISTAMAXX
TM1100,3% is that white masterbatch and 2% is under the condition of processing aid, and the Elastic Film of gained can only arrive 46 grams, and gross weight then is 66 grams (promptly 10 gram non-woven fabrics+46 gram films+10 restrain non-woven fabrics).
" embodiment four "
The present invention comprises the Elastic Film of the sandwich structure of one deck elastic non-woven and " ABA " type at the elastical cloth material of this embodiment, and this " ABA " layer is formed with 15%: 70%: 15% ratio.In the A layer, 90% is INFUSE
TM9107 polyolefin elastomers, 5% is ELITE
TM5800 linear low density polyethylenes, 5% is processing aid (LUVOFILM 9679, the graceful Butterworth of Lay).
In the B layer, 100% is VISTAMAXX
TM1100.This composite elastic film basic weight is 25 grams.This film and 15 grams
(Golden Phoenix Fiberwebs Inc.), utilizes and drenches film composition thin layer to spin viscoelasticity non-woven (with the two components of the ratio of PE/PP=70/30).
" embodiment five "
The present invention comprises the Elastic Film of an one deck elastic non-woven and an ABA type sandwich structure at the elastical cloth material of this embodiment, and the sandwich structure of this ABA type is formed with 10%: 80%: 10% ratio.In the A layer, 65% is INFUSE
TM9107 polyolefin elastomers, 30% is ELITE
TM5800 linear low density polyethylenes, 5% is processing aid (LUVOFILM 9679, the graceful Butterworth of Lay).In the B layer, 100% is VISTAMAXX
TM1100.The basic weight of this Elastic Film is 25 grams.This Elastic Film can with 20 the gram
(Golden Phoenix Fiberwebs Inc.), utilizes and drenches film composition thin layer hot blast elastic non-woven cloth (with the two components of the ratio of PE/PP=70/30).
As mentioned above for embody the Elastic Film that the present invention makes on the basis of elastomer thin film low weight and method.Elastica in some embodiments is a kind of polyolefin basic layer of single thin film.Elastic Film also can be a multilayer olefin-based polymer thin film layer.Elastic Film also can be a part that forms the elastic sheet of one or more linings (as non-woven fabrics) institute shape with other.Select suitable film performance and the suitable processing film method that go out capable of being combined in the number of plies of selection of forming (as lubrication prescription, alkylene elastomeric polymer, other elastomeric polymer) and plurality of resilient membranes.
The above only is in order to explain preferred embodiment of the present invention; be not that attempt is done any pro forma restriction to the present invention according to this; therefore, all have in that identical creation spirit is following do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protect.
Claims (23)
1. an individual layer Elastic Film is formed, and it is characterized in that, comprising:
At least the elastomeric polymer that includes an olefin basis;
At least one effective polymkeric substance;
The basic weight of described Elastic Film is no more than 40 grams, and it is no more than 15% by the permanent set after absolutely stretching.
2. individual layer Elastic Film as claimed in claim 1 is formed, it is characterized in that, the elastomeric polymer of described olefin basis is selected from following group: olefin block copolymers, olefin random copolymer, ethylene copolymer, propylene copolymer, the vinyl olefins segmented copolymer, the propenyl olefin block copolymers, the vinyl olefins random copolymers, the propenyl olefin random copolymer, ethylene-propylene random copolymer, ethene-butene random copolymer, ethene-hexene random copolymers, ethene-alkene olefin block copolymers, the propylene-ethylene olefin block copolymers, ethylene, the ethylene ' alpha '-olefin random copolymers, ethylene ' alpha '-olefin block copolymers and composition thereof, wherein, the elastomeric polymer of described olefin basis accounts for mixture ratio 60%～95%.
3. individual layer Elastic Film as claimed in claim 1 is formed, and it is characterized in that, the elastomeric polymer of described olefin basis can be replaced by the elastomeric polymer of non--olefin basis.
4. individual layer Elastic Film as claimed in claim 1 is formed, it is characterized in that, described effective polymkeric substance is for containing a lubrication prescription, and be selected from following group: LDPE new LDPE (film grade), HDPE high density polyethylene(HDPE), homopolymer polypropylene, and their mixture, described lubrication prescription accounts for the mixture weight percentage 1%～20%.
5. a multilayer elastic film is formed, and it is characterized in that, comprising:
The first layer is formed, and has the elastomeric polymer of an olefin basis at least, and has one first lubrication prescription at least;
The second layer is formed, and has an elastomeric polymer at least, and has one second lubrication prescription at least;
The basic weight of described Elastic Film is no more than 60 grams, and this multilayer elastic film is no more than 15% by the permanent set after absolutely stretching, and wherein, the basic weight of described each individual layer is 1 gram～10 grams.
6. multilayer elastic film as claimed in claim 5 is formed, it is characterized in that, the elastomeric polymer that described the first layer is formed at least one contained olefin basis is selected from following group: ethylene-propylene random copolymer, ethene-butene random copolymer, ethene-hexene random copolymers, ethene alkene olefin block copolymers, propylene-ethylene olefin block copolymers, ethylene, ethylene ' alpha '-olefin random copolymers, ethylene ' alpha '-olefin block copolymers and composition thereof, wherein, described elastomeric polymer accounts for mixture ratio 70%～95%.
7. multilayer elastic film as claimed in claim 5 is formed, it is characterized in that, described first lubrication prescription and second lubrication prescription are selected from following group: LDPE new LDPE (film grade), HDPE high density polyethylene(HDPE), homopolymer polypropylene, and their mixture, wherein first lubrication prescription or second lubrication prescription account for the mixture weight percentage about 1%～25%.
8. multilayer elastic film as claimed in claim 5 is formed, and it is characterized in that, the elastomeric polymer that the described second layer is formed is the elastomeric polymer of a non--olefin basis.
9. multilayer elastic film as claimed in claim 5 is formed, it is characterized in that, the elastomeric polymer that the described second layer is formed is the elastomeric polymer of an olefin basis, be selected from following group: ethene virtue yoke diene block copolymer, natural rubber, polyester rubber, polyamide elastomer, polyether rubber, styrene block copolymer, styrene-butadiene-styrene block copolymer, styrene-isoprene block copolymer, styrene-isoprene-butadiene-styrene block copolymer, styrene ethylene base butylene-styrene segmented copolymer, styrene-ethylene-propylene-based block copolymer, styrene-ethylene-propylene-styrene segmented copolymer, styrene-ethylene-ethylene-propylene-styrene block copolymer and composition thereof, described elastomeric polymer accounts for mixture ratio 5%～90%.
10. multilayer elastic film as claimed in claim 5 is formed, it is characterized in that, described second lubrication prescription is selected from following group: comprise polystyrene, high-impact polystyrene, linear low density polyethylene, high density polyethylene(HDPE), homopolymer polypropylene and their mixture, it is 3% that second lubrication prescription that the described second layer is formed accounts for mixture ratio.
11. multilayer elastic film as claimed in claim 5 is formed, and it is characterized in that, described the first layer is formed the weight percent that accounts for this multilayer elastic film 10%～90%, and the second layer is formed the weight percent that accounts for multilayer elastic film 10%～90%.
12. multilayer elastic film as claimed in claim 5 is formed, it is characterized in that, described multilayer elastic film further includes one the 3rd layer of composition, the 3rd layer of composition has at least one second kind of elastomeric polymer, and has at least one the 3rd lubrication prescription, consisting of of three layers of this multilayer elastic film comprises two skins and an internal layer, wherein the first layer form and the 3rd layer consist of skin, the second layer consists of internal layer.
13. multilayer elastic film as claimed in claim 12 is formed, and it is characterized in that described the 3rd layer of composition has at least one second kind of alkylene elastomeric polymer; Be selected from: comprise styrene-butadiene-styrene block copolymer, styrene-isoprene block copolymer, styrene-isoprene, butadiene-styrene block copolymer, styrene-ethylene-propylene-based block copolymer, styrene-ethylene-propylene-styrene segmented copolymer, styrene-ethylene-ethylene-propylene-styrene block copolymer and composition thereof.
14. multilayer elastic film as claimed in claim 12 is formed, and it is characterized in that described the 3rd layer of composition has at least one second kind non--alkylene elastomeric polymer.
15. multilayer elastic film as claimed in claim 12 is formed, it is characterized in that, described the 3rd lubrication prescription is selected from: comprise polystyrene, high-impact polystyrene, linear low density polyethylene, high density polyethylene(HDPE), homopolymer polypropylene, and their mixture.
16. multilayer elastic film as claimed in claim 12 is formed, and it is characterized in that, described the first layer is formed and the 3rd layer of composition is of identical composition.
17. multilayer elastic film as claimed in claim 12 is formed, and it is characterized in that it is 5%～50% that described single skin accounts for weight percent, it is 10%～90% that internal layer accounts for weight percent.
18. multilayer elastic film as claimed in claim 12 is formed, and it is characterized in that, the weight percent that described the first layer is formed approximates the 3rd layer of weight percent that composition occupies greatly in described multilayer elastic film.
19. an elastic sheet is characterized in that, includes:
Described individual layer Elastic Film of claim 1 or the described multilayer elastic film of claim 9;
At least one resilient support, described individual layer Elastic Film or multilayer elastic film and at least one this resilient support are combined with each other, and form an elastic sheet; Wherein, the basic weight of described carrier is at 3 grams～200 grams.
20. elastic sheet as claimed in claim 19, it is characterized in that, described resilient support includes elastic non-woven, be selected from following group: elasticity spin glutinous non-woven, elasticity combing non-woven, elasticity melt-blowing nonwoven, elasticity spunlace non-woven cloth, elasticity SMS spin glutinous-melt and spray-spin glutinous non-woven, elasticity SMMS spin glutinous-melt and spray-melt and spray-spin glutinous non-woven, elasticity does not have the non-woven of cohering, and their combination.
21. elastic sheet as claimed in claim 19 is characterized in that, described individual layer Elastic Film or multilayer elastic film and this carrier compound can use gluing, heat to bind, extrude compound, ultrasound welding, calendering with its combination.
22. elastic sheet as claimed in claim 19, it is characterized in that, further comprise two elastic non-woven cloths, the first surface of described individual layer Elastic Film or multilayer elastic film is compounded in wherein one first elastic non-woven cloth, compound another second elastic non-woven cloth of second surface.
23. elastic sheet as claimed in claim 22 is characterized in that, this first elastic non-woven cloth and second elastic non-woven cloth are identical materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101067091A CN102146176A (en) | 2010-02-08 | 2010-02-08 | Single-layer elastic film composition, multi-layer elastic film composition and elastic sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101067091A CN102146176A (en) | 2010-02-08 | 2010-02-08 | Single-layer elastic film composition, multi-layer elastic film composition and elastic sheet |
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| CN102146176A true CN102146176A (en) | 2011-08-10 |
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| CN2010101067091A Pending CN102146176A (en) | 2010-02-08 | 2010-02-08 | Single-layer elastic film composition, multi-layer elastic film composition and elastic sheet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062696A (en) * | 2016-12-01 | 2019-07-26 | 陶氏环球技术有限责任公司 | Multilayer film |
| CN111605277A (en) * | 2020-04-27 | 2020-09-01 | 温州市特康弹力科技股份有限公司 | Sanitary material |
| CN113727852A (en) * | 2019-04-17 | 2021-11-30 | 日东电工株式会社 | Multi-layer coextruded film and articles including the same |
| CN114474911A (en) * | 2022-04-06 | 2022-05-13 | 保定龙军建材有限公司 | Anti-slip plastic woven cloth and preparation method thereof |
-
2010
- 2010-02-08 CN CN2010101067091A patent/CN102146176A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062696A (en) * | 2016-12-01 | 2019-07-26 | 陶氏环球技术有限责任公司 | Multilayer film |
| CN110062696B (en) * | 2016-12-01 | 2021-08-10 | 陶氏环球技术有限责任公司 | Multilayer film |
| CN113727852A (en) * | 2019-04-17 | 2021-11-30 | 日东电工株式会社 | Multi-layer coextruded film and articles including the same |
| US11707917B2 (en) | 2019-04-17 | 2023-07-25 | Nitto Denko Corporation | Multilayer co-extruded films and article containing same |
| CN111605277A (en) * | 2020-04-27 | 2020-09-01 | 温州市特康弹力科技股份有限公司 | Sanitary material |
| CN114474911A (en) * | 2022-04-06 | 2022-05-13 | 保定龙军建材有限公司 | Anti-slip plastic woven cloth and preparation method thereof |
| CN114474911B (en) * | 2022-04-06 | 2022-07-05 | 保定龙军建材有限公司 | Anti-skid plastic woven cloth and preparation method thereof |
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Application publication date: 20110810 |