CN2428290Y

CN2428290Y - Multi-layer film structure

Info

Publication number: CN2428290Y
Application number: CN 00234698
Authority: CN
Inventors: 郭春富
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-05-19
Filing date: 2000-05-19
Publication date: 2001-05-02
Anticipated expiration: 2010-05-19

Abstract

The utility model discloses a multi-layer film structure which is mainly composed of a thin film layer, a basal body and a backing layer. Every two adjacent surfaces of the utility model are interfaces which can be combined into integration with compatible property. The interface forms a structure with a soft middle part and a harder bottom layer. The utility model has the function of absorbing shock energy and is convenient to protect a sleeved portable electronic product. Because of the advantages of smooth surface and soft feeling, the utility model is also suitable for manual operation.

Description

A kind of multi-layer film structure

The utility model relates to a kind of multi-layer film structure, and it mainly is applicable to protection pad and protective sleeve.

General protection pad or protective sleeve mainly are for the user provides the convenient motion of hand by holding, or provide the usefulness that takes up protection for carrying the hand-held electronic products utensil, in order to avoid it drops or be impaired.Having a kind of in commonly using is to be the top layer of material with foam etc., this top layer is glued at and is solidified into soft gelinite, fit in bottom on the gelinite behind the viscose glue and cut into finished product again, or fit in typing in the vacuum mold with air-locked material, rejoin soft gelinite and bottom, the top layer of product is all by material and sheath body engagement, right in being subjected to many restrictions such as manufacturing technology and material selection, this material only can engage the sheath body separately, and thickness and hardness are bigger, so this material is subjected to the restriction of actual techniques, its thickness must be increased to a certain degree, causes the top layer material of commonly using the sheath body to tend to take place bad phenomenon like this, hindered the softness characteristics of material transmission sheath body, only can engage separately, can't transmit its gentle characteristic of changeing in case its extexine comes off, in use have many defectives with the sheath body.

Main purpose of the present utility model is to provide a kind of multi-layer film structure, and this structure can be passed to the top layer with its gentle commentaries on classics characteristic makes product present smooth, soft sense of touch.

Secondary objective of the present utility model is to provide a kind of multi-layer film structure, this structure tool vibration-absorbing function.

For achieving the above object, the technical solution that the utility model is taked is: a kind of multi-layer film structure mainly is made of a thin layer, a matrix and a backing layer, wherein, matrix is integrated by the glue material of tool softness characteristics, the thin layer of the affixed together kind of the upside of matrix glue material, the backing layer of the affixed together kind of the bottom of matrix and thin layer glue material.

In addition, but the adjacent surface in twos that matrix, thin layer and backing layer form is the compatible interface of character of one combination, and thin layer is dissolved in interface and forms skim.

Owing to adopt said structure, the softness characteristics that matrix had in the utility model can be presented on the thin layer by interface, and the wet sticking person's character of gelinite is intercepted by thin layer, when contacting, the user can experience the soft gel elastomer that matrix has, its surface is not only smooth and have soft sense of touch, is fit to very much the operational movement of hand by holding; In addition, because of the backing layer has slightly hard softness and resilient flexible feature that matrix and thin layer had can reach vibration-absorbing function, can reach good vibration-absorbing function to carrying the hand-held electronic products utensil.

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

Fig. 1 is the schematic diagram that the utility model forms protection pad;

Fig. 2 is the schematic diagram of mould of the present utility model;

Fig. 3 is a cross-sectional schematic of the present utility model;

Fig. 4 is the stressed schematic diagram of the utility model protection pad;

Fig. 5 is the mould schematic diagram of another embodiment of the utility model;

Fig. 6 is the stock schematic diagram of another embodiment of the utility model;

Fig. 7 is the formed protection pad cross-sectional schematic of another embodiment of the utility model.

At first, see also Fig. 1, the utility model mainly is made up of a thin layer 20, a

matrix

30 and 40 on a backing layer can form a protection pad 10, be that protection pad 10 bodies are in conjunction with constituting by multilayers such as a thin layer 20, a matrix 30 and backing layers 40, wherein, it is one-body molded with the polymer latex material of kind special ratios that thin layer 20, matrix 30 and backing layer 40 are respectively, and thin layer 20 is that the polymer latex material forming by special ratios is very thin structure, and has smooth surface and better elastic; Matrix 30 also is that the polymer latex material forming by special ratios is to have very soft gelinite structure, and has softness and better elastic; Backing layer 40 is to have the moderate gelinite structure of softness by the polymeric gel material forming of special ratios equally, and has the softness characteristic of rubber.Therefore, protection pad 10 bodies have formed the structure of tool absorption shake function.

See also shown in Figure 2 again, thin layer 20 is integrated by the polymer latex material, can form by pattern 22 surfaces of spraying method at a mould 21, matrix 30 is with privileged site that is poured into thin layer 20 with kind proper proportion polymer latex material and the shape that forms setting, and at the adjacent surface formation congeniality compatible interface of matrix 30 with thin layer 20, utilize the cohesion energy and the binding energy that produce between polymer molecule simultaneously, adjacent surface at matrix 30 and thin layer 20 forms very good adherence characteristic, and between matrix 30 and the thin layer 20 except rerum natura (physics itself, chemical material) outside the adhesive force that is had, also can produce adhesion by binding energy, adjacent surface at matrix 30 and thin layer 20 produces very strong and good attachment characteristic, can make both sets that mutually combines.

Backing layer 40 also is the shape that is poured into the privileged site moulding setting of thin layer 20 and matrix 30 with the polymer latex material with the kind special ratios, between the adjacent surface of backing layer 40 corresponding matrix 30 and thin layer 20 except rerum natura (physics itself, chemical material) outside the adhesive force that is had, also can form very good adherence characteristic by the adhesion that binding energy produces, the adjacent surface of these backing layer 40 corresponding matrixes 30 and thin layer 20 will produce very strong and good then characteristic, can make the mutual set in adjacent in twos place, be that backing layer 40 of the present utility model forms one and the different physical property characteristic of tool three with matrix 30 and thin layer 20, backing layer 40 combines with matrix 30 and thin layer 20 can form holistic protection pad 10, and protection pad 10 forms middle softness and the slightly hard structure of bottom.

As shown in Figure 3, by above-mentioned structure as can be known, the utility model is to be formed by the thin layer 20, matrix 30 and the backing 40 that belong to the soft gelinite polymer of kind, and the two abutment place forms and can utilize its identical gelinite medium to be the one plocoid, makes matrix 30, backing layer 40 form integrated structural feature with thin layer 20.

Between the adjacent surface of thin layer 20 corresponding matrixes 30 and backing layer 40 except physical property connects the adhesive force that is had, can not form very good adherence characteristic by the adhesion that chemical bond can produce, and thin layer 20 corresponding matrixes 30 can produce very strong and good attachment characteristic with the adjacent surface of backing layer 40, because thin layer 20 during this is novel, matrix 30 and backing layer 40 are shaped to one for identical gelinite medium merges, its bulk property quite can form the homogeneous feature, its integral, flexible speciality also quite can have iso advantage simultaneously, matrix 30 tool softness characteristics, the thin layer 20 of its upside can form good extension characteristics, and the backing layer 40 of its downside has suitable softness characteristic, make flexibility by the central tool matrix 30 of this novel product protection pad 10 that forms, the suitable softness of the flexible and downside tool backing layer 40 of upside tool thin layer 20 and present different structural features, the i.e. structure of protection pad 10 one-body molded tool multilayer physical characteristics.

When protection pad 10 when bearing external force, because of the matrix 30 of protection pad 10 upsides is combined into one with thin layer 20, its downside matrix 30 is combined into one with backing layer 40 again, its global sections tool homogeneous, Deng features such as tropisms, make protection pad 10 can improve mechanical properties such as yield point greatly, when protection pad 10 stressed effects or bending, the section of protection pad 10 can produce extruding or stretch, this protection pad 10 is meeting with stresses or during tension, see also shown in Figure 4, a as middle sign, b, sizable stress and strain are often born in the outside of protection pad 10, but on matrix 30, downside corresponding affixed thin layer 20 and backing layer 40, its bond strength is good and form Construction integration, can fully resist the sliding rupture that the rain interlayer is produced.

In addition, what deserves to be mentioned is, when thin layer 20 is sprayed at matrix surface formation in the utility model is to control the polymer latex material of setting thickness and special ratios, this thin layer 20 can form thin structure as film, thin layer 20 also can form the structure of airtight or fine pore according to need, when thin layer 20 during attached to matrix 30 surface formings, the two adjacent surface forms connatural compatible interface, form thin layer because of thin layer 20 is extremely thin so that itself promptly be dissolved in compatible interface, so will cause thin layer 20 through compatible interface and fully attached to the surface of matrix 30, thin layer 20 will form the structural feature of implanting matrix 30 surfaces, just plant and be longer than skin surface as the human body epithelium, the structure of the airtight or fine pore of smooth surfaces that this thin layer 20 is had itself, can be presented on outer surface fully, matrix 30 has rerum naturas such as suitable softness and elasticity, can show fully by thin layer 20 again.Therefore, the softness characteristics of the gelinite that is had by this novel protection pad of making 10 is presented by thin layer 20, and the wet sticking person's character of gelinite is intercepted by thin layer 20, when contacting protection pad 10, the user can directly experience the soft gel elastomer that matrix 30 is had, contact was on thin layer 20 when user's hand was placed in protection pad 10, not only have smooth surface and also have flexible touch, be fit to very much the operational movement of hand by holding.

Simultaneously; the utility model can make diversified complicated shape by the pattern 22 of mould 21; protection pad 10 can multiple pattern of one-body molded one-tenth or complex-shaped product; except supplying hand by holding protection pad 10 products; also can be made into as mouse mat; various product such as Keyboard pad; especially for carrying hand-held electronic products utensil such as mobile phone; the person-to-person communication equipment; the protective sleeve of notebook computer and optical instrument material etc.; all can utilize the slightly hard softness of backing layer 40; the structure that the softness and the elastic characteristic of matrix 30 and thin layer 20 forms the tool vibration-absorbing function reaches good vibration-absorbing function when carrying the hand-held electronic products utensil.

Another embodiment of the present utility model, see also shown in Fig. 5-7, its primary structure and aforementioned roughly suitable, its difference is that matrix 30 ' and the 40 ' cooperation of backing layer are poured in the pattern 22 ' of a mould 21 ' in regular turn with kind preset proportion polymer latex material, making it one-body molded in pattern 22 ' is stock 70 ', again base polymer glue material of the same race is coated the matrix 30 ' and the backing layer 40 ' surface of idiosome, utilize the characteristic that can produce binding energy in its congeniality interface incomplete reaction process, surface at matrix 30 ' and backing layer 40 ' forms a thin layer 20 ', toasted again and promptly formed thin layer 20 ', stock 70 ' can be by multiple pattern of one-body molded manufacturing or complex-shaped product blank in the present embodiment, especially also can be for complex-shaped product by spraying stock 70 ' surface, and needn't be subject to mould 21 ', thin layer 20 ' can present the shape of stock 70 ' at an easy rate fully, except that making protection pad 10, also can be made into as mouse mat, the prison plate mat, various product such as sheath.

The thin layer 20 ' of present embodiment is to be in broad space when forming, do not contact pattern 22 ', so be not subjected to the restriction of the processing conditions of pattern 22 ', the smooth surface that this thin layer 20 ' forms has better effect, to making complex-shaped product with more convenient, fast, moreover this thin layer 20 ' is because of belonging to congeniality with matrix 30 ' and backing layer 40 ', then can produce energy of attachment during its interface moulding, the binding energy that produces in the incomplete reaction process is also arranged, its bond strength is excellent, the surface of this thin layer 20 ' and matrix 30 ' forms the structural feature of one, rerum naturas such as suitable softness that matrix 30 ' had and elasticity can be presented on the surface of thin layer 20 ' fully.

Claims

1, a kind of multi-layer film structure, it is characterized in that: it mainly is made of a thin layer, a matrix and a backing layer, wherein, matrix is integrated by the glue material of tool softness characteristics, the thin layer of the affixed together kind of the upside of matrix glue material, the backing layer of the affixed together kind of the bottom of matrix and thin layer glue material.

2, a kind of multi-layer film structure as claimed in claim 1 is characterized in that: but the adjacent surface in twos that matrix, thin layer and backing layer form is the compatible interface of character of one combination.

3, a kind of multi-layer film structure as claimed in claim 2 is characterized in that: thin layer is dissolved in interface and forms skim.