CN104422239B - refrigerator door - Google Patents

Abstract

The present invention provides a kind of light weight and recyclability is excellent, refrigerator door of excellent in heat insulating performance.Refrigerating chamber door 11 includes：Front panel 15, the resin sheet that by thickness be 0.1mm~10mm and tensile modulus of elasticity is 1500MPa or more are formed；Door closure 16,17 is the framework being made of synthetic resin material being arranged in the top and the bottom of a part for the peripheral end as the front panel 15；Back panel 20 is equipped with the gasket 19 for having sealing magnet 18 in peripheral portion and is fixed in a manner of covering the opening of above-mentioned front panel 15 and above-mentioned door closure 16,17；Foamed heat-insulating material 22 is filled in using foam-in-place mode in the space between above-mentioned front panel 15, above-mentioned door closure 16,17 and above-mentioned back panel 20.

Description

Refrigerator door

Technical field

The door body for the device that the present invention relates to a kind of for the purpose of heat preservation more particularly to a kind of opening and closing have refrigerating chamber, cold Freeze the refrigerator door of the front openings of the refrigerator main body of room.

Background technology

The refrigerator door for being opened and closed the front openings of refrigerator main body belongs to heavier article, needs enough intensity and rigidity, Therefore, the component as the front panel for forming door body, was also begun to using steel plate (referring for example to patent document 1) recently in the past Gradually using the excellent glass etc. of design.

Patent document：

Patent document 1：Japanese Unexamined Patent Publication 2003-83671 bulletins

Invention content

However, occurring panel as the component for forming front panel by using glass and becoming weight, or needed in recycling The problem of above-mentioned glass is detached with the other component of door body and is taken time and energy.

Therefore, the present invention is intended to provide a kind of light weight and recyclability is excellent, refrigerator door of excellent in heat insulating performance.

Therefore, the present invention provides a kind of refrigerator door, including constitutes the front panel of front, supports the outer of the front panel At least part of framework of side end and the back panel for constituting the back side, by above-mentioned front panel, above-mentioned framework and Heat-barrier material is filled in the space that above-mentioned back panel is formed, the refrigerator door is opened and closed the front openings of refrigerator main body, In, above-mentioned front panel has fender in at least part in the face contacted with the above-mentioned heat-barrier material in above-mentioned space Material.

According to embodiment of the present invention, it is capable of providing a kind of light weight and recyclability is excellent, ice of excellent in heat insulating performance Chamber door body.

According to other embodiments of the present invention, the refrigerator doors that a kind of appearance design is excellent and processability is high are capable of providing Body.

By the record of embodiment of the invention below related with attached drawing come clear other objects of the present invention, feature and Advantage.

Description of the drawings

Fig. 1 is the stereogram of refrigerator.

Fig. 2 is the exploded perspective view of the refrigerating chamber door of first embodiment.

Fig. 3 is the longitudinal section side view of the refrigerating chamber door of first embodiment.

Fig. 4 is the partial horizontal cross-section of the refrigerating chamber door of first embodiment.

Fig. 5 is the stereogram of the refrigerating chamber door for the first embodiment seen from rear side.

Fig. 6 is the exploded perspective view of the refrigerating chamber door of second embodiment.

Fig. 7 is the longitudinal section side view of the refrigerating chamber door of second embodiment.

Fig. 8 A are the partial horizontal cross-sections of the refrigerating chamber door of second embodiment.

Fig. 8 B are the partial enlarged views of a part for the partial horizontal cross-section of the refrigerating chamber door of second embodiment.

Fig. 9 is the stereogram of the refrigerating chamber door for the second embodiment seen from rear side.

Reference sign：

1 deep freezer main body

11 refrigerating chamber doors

15,35 front panel

16,17 door closure

19,41 gasket

20,40 back panel

22,44 foamed heat-insulating material

36 frameworks

36M padded coamings

36N anchoring materials

Specific implementation mode

Embodiments of the present invention will be described with reference to the accompanying drawings.First, in the stereogram as deep freezer In Fig. 1,1 is the deep freezer main body for including the multiple food preservation rooms for being respectively equipped with front door.The deep freezer main body 1 it is interior Portion is separated by the partition board not shown in the figure with heat-blocking action, is configured with refrigerating chamber 2 in topmost, i.e. uppermost, is being refrigerated Lower section of room 2 or so is configured with ice-making compartment 3 and reserve temperature switch room 4 side by side, freezing chamber 5 is configured with thereunder, at this The lowest part of the lower section of freezing chamber 5 is configured with vegetable compartment 6.

Above-mentioned deep freezer main body 1 includes heat insulating box, which forms in the following way：To by front openings Steel plate outer container and the stoste of such as foaminess resin will be equally injected between case in the hard resin system of front openings, Using foam-in-place mode filling-foam heat-barrier material.

The shelf of upper and lower multistage is equipped in above-mentioned refrigerating chamber 2, the front openings of above-mentioned refrigerating chamber 2 can pass through refrigerating-chamber door 8 close, which is rotated using upper lower hinge and fan door body by the left and right of double-open type two and be opened and closed.It is above-mentioned cold The above-mentioned ice-making compartment 3 and above-mentioned temperature transition room 4, above-mentioned freezing chamber 5, above-mentioned vegetable compartment 6 of 2 lower section of Tibetan room are each by drawer type Ice-making compartment door 9, temperature transition room door 10, refrigerating chamber door 11, vegetable compartment door 12 close.

The rear portion of the bottom wall of above-mentioned heat insulating box is formed the shape stepped up, outside the below and rearward of the bottom wall Side is formed with cooling Machine Room.It is provided with compressor, the condenser as radiator for constituting freeze cycle in the Machine Room, leads to Cross the operating of above-mentioned compressor and the cold air that is generated in cooler be fed into via each blow-off outlet by pressure fan it is above-mentioned each In storeroom, and it is kept at refrigerated storage temperature, cryogenic temperature.

The present invention can be suitable for above-mentioned refrigerating-chamber door 8, the above-mentioned ice-making compartment door 9 of drawer type and above-mentioned temperature inversion room door 10, above-mentioned refrigerating chamber door 11 and above-mentioned vegetable compartment door 12, are illustrated with above-mentioned refrigerating chamber door 11 for typical example below.

As shown in exploded perspective view Fig. 2, above-mentioned refrigerating chamber door 11 is generally comprised such as lower component：Front panel 15 is constituted It is formed before the refrigerating chamber door 11 and by the resin sheet (resin based plate) that thickness is 0.1mm~10mm；Door closure 16,17 is Above-mentioned front panel 15 is supported mounted on the top and the bottom of a part for the outboard end as the front panel 15 and by synthesizing The framework that resin material is formed；Back panel 20, is made of synthetic resin material, and is equipped with reinforcing body 23 and overleaf in front Accommodating container (not shown) etc. is installed, and the gasket 19 for having sealing magnet 18 is installed in peripheral portion, to cover The mode for covering the opening for stating front panel 15 and above-mentioned door closure 16,17 is fixed, and constitutes the back of the body of above-mentioned refrigerating chamber door 11 Face；Foamed heat-insulating material 22 is filled in above-mentioned front panel 15, above-mentioned door closure 16,17 and the above-mentioned back of the body using foam-in-place mode In space between faceplate panels 20.

Above-mentioned resin sheet can be that synthetic resin material can also be cellulose-based equal natural resins material, in addition can be Thermoplastic resin can also be curable resin (Thermocurable, photo-curable, water cure resin etc.), can be hard in addition Resin can also be soft resin, and then not limit its manufacturing method, but in the first embodiment of above-mentioned refrigerating chamber door 11, Above-mentioned resin sheet is formed by thermoplastic synthetic resin material.

As described above, 15 preferred thickness of above-mentioned front panel is 0.1~10mm.If thinner than 0.1mm, front panel 15 is certainly The intensity of body declines, and being easy because of the pressure etc. from refrigerator outside or inside, which makes above-mentioned front panel 15 deform, (forms Deformation).On the other hand, if above-mentioned resin sheet ratio 10mm is thick, the manufacturing of front panel 15 itself is (equably, not occur The property etc. that the mode of deformation is cooled and solidified), the processabilities such as bending machining are deteriorated.

Above-mentioned resin sheet is cut into suitable size in advance, in order to use it for above-mentioned front panel 15, to pass through punching (punching) processing is punched into predetermined size.In order to which the resin sheet for becoming predetermined size in this way is used as front panel 15, suitable shape is molded by suitable method, apparatus.That is, using forming jig using hot pressing (heat press) at Type method is press-formed in heating, in order to which above-mentioned resin sheet is used as above-mentioned front panel 15, to flat above-mentioned tree Fat piece is molded, with formed front 15A, by 15A bendings before this to substantially at right angles obtained from left and right side 15B, with And further by the inside bendings of two sides 15B to substantially at right angles obtained from inward flange 15C.

Above-mentioned front panel 15 is formed by resin sheet, thus compared with the existing panel formed by iron or glass, is had Thermal insulation is good and the feature of light weight.Therefore, it is possible to keep the door body of refrigerator thinning, if making refrigerator appearance that integrally there is identical ruler It is very little, then it can expand the storage capacity in case.

Above-mentioned door closure 17 mounted on the lower part of above-mentioned front panel 15 is substantially in the plate of quadrangle, in addition to back Front and the peripheral end portion of two sides be equipped with riser 17A, 17B, the lower end to form above-mentioned front panel 15 is inserted into Slot therebetween.It is equipped with upper riser 17C in above-mentioned back, to form and be formed in the flange of the peripheral end portion of above-mentioned back panel 20 The latch for printed circuit that 20A is abutted.

Above-mentioned door closure 16 mounted on the top of above-mentioned front panel 15 be formed with for by above-mentioned refrigerating chamber door 11 forward The handle just pulled out.The door closure 16 has the lower frame body 16A for being installed on above-mentioned front panel 15 and is installed on lower frame body 16A's Upper frame body 16B.It is not limited to constitute above-mentioned door closure by installing above-mentioned lower frame body 16A and the upper frame body 16B being different from 16, can also be structure made of integration from the beginning.

It is formed with lower riser 16A1 with the peripheral portion of the lower end of two sides before above-mentioned lower frame body 16A and is provided with Lower riser 16A2 and two sides 16A3, the slot that the upper end to form above-mentioned front panel 15 is inserted therebetween.Moreover, for shape At handle space S, the upper end of 16A4 is formed with fastener 16A41 before in curved shape, after 16A5 above End is formed with fastener 16A6.

The longitudinal section of above-mentioned upper frame body 16B is in substantially L-shaped shape, has to form the upper surface of above-mentioned handle space S 16B1 With front 16B2.In addition, above above-mentioned below 16B1 middle part be formed with above-mentioned upper frame body 16B is installed on it is above-mentioned under It is locked on the fastener 16B11 of above-mentioned fastener 16A41 when framework 16A and is locked on the fastener of above-mentioned fastener 16A6 16B12。

Also, it is formed in the both sides of above-mentioned front 16B2 and above-mentioned upper frame body 16B is being installed on above-mentioned lower frame body 16A When abutted with the medial surface of the above-mentioned two surface sides 16A3 of above-mentioned lower frame body 16A locking fastener 16B3.

It is formed with flange 20A in the peripheral end portion of above-mentioned back panel 20.Back panel 20 is with flange 20A and above-mentioned door closure 17 Above-mentioned latch for printed circuit, above-mentioned front panel 15 the above-mentioned fastener 16B12 of two inward flange 15C and above-mentioned upper frame body 16B support The mode connect is mounted on above-mentioned door closure 16,17 and front panel 15.

In addition, as described above, the peripheral portion of above-mentioned back panel 20 is formed with recess portion (slot) 20B with continuous state, it should Recess portion is used to install the above-mentioned gasket 19 with above-mentioned magnet 18.In addition, when above-mentioned magnet 18 is adsorbed in above-mentioned deep freezer When the front end of the above-mentioned outer container of the steel plate of main body 1, the front openings of above-mentioned deep freezer main body 1 can be closed.

Refrigerating chamber door 11 is formed in the following way：Above-mentioned door closure 16,17 is being mounted on the upper of above-mentioned front panel 15 Lower part, the above-mentioned back panel 20 that the above-mentioned gasket 19 with above-mentioned magnet 18 is equipped with to above-mentioned reinforcing body 23 Under state, such as injection hair into the space as defined in above-mentioned front panel 15, above-mentioned door closure 16,17 and above-mentioned back panel 20 Bubble property resin stoste, and using foam-in-place mode filling-foam heat-barrier material 22.

The installation of each component when forming the foamed heat-insulating material 22 it is fixed by each portion it is chimeric, utilize adhesive or double The bonding of face adhesive tape etc. and carry out.Moreover, when injecting foaminess resin stoste, installation is fixed into above-mentioned each component The shape entire surface of above-mentioned refrigerating chamber door 11 under state is utilized presses fixation for bearing the foaming jig of foaming pressure, if on It states stoste and foamed heat-insulating material 22 is formed by foamed solidification, then above-mentioned front panel 15, above-mentioned door closure 16,17 and the above-mentioned back of the body Faceplate panels 20 are integrated securely and are fixed.Therefore, the above-mentioned front panel 15 formed by above-mentioned resin sheet also with above-mentioned hair Bubble heat-barrier material 22 directly bonds, and shape is in the state of setting.

In above first embodiment, in order to improve appearance design, above-mentioned front 15A can also be made to become and mitigated Curved surface, or can be bent into from above-mentioned front 15A to two sides 15B be curve form.

Then, the second embodiment of above-mentioned refrigerating chamber door is illustrated based on Fig. 6 and Fig. 7.First, such as by curing Property resin (Thermocurable, photo-curable, water cure resin etc.) constitute resin sheet be cut into suitable size in advance, in order to Front panel 35 is used it for, predetermined size is punched by punch press process.In order to which regulation will be become in this way The resin sheet of size is used as front panel 35, and suitable shape is molded by suitable method, apparatus.That is, making quadrangle The top of tablet by describe from front see when the top the minimum mitigation of central portion curve in a manner of be recessed, and be formed as Shown in Fig. 6.

36 be the framework for the outboard end for supporting above-mentioned front panel 35, and the peripheral end portion before left and right and lower part is formed There is mounting surface 36A, above-mentioned front is installed by being adhesively fixed via adhesive or double-sided adhesive tape in mounting surface 36A Panel 35.In addition, recess portion is formed in the upper surface of framework 36, to form the handle use for pulling out refrigerating chamber door 11 forwards Space S.

Above-mentioned recess portion includes such as lower part：Preceding upper riser 36B, upper end is lower to central portion when describing in terms of front Mitigation curve mode recess；Horizontal plane 36C rearward extends from the lowest part of the preceding upper riser 36B；Upper riser afterwards 36D is holded up upward from the rear end of horizontal plane 36C；Horizontal plane 36E prolongs from the rear end level of the rear upper riser 36D It stretches.

Above-mentioned framework 36 has the reinforcing face 36H with opening portion 36K.Framework 36 is the above-mentioned opening portion 36K of left and right Shape made of being detached by middle stile, framework (the i.e. opening portion of left and right without stile among the above with simple continuous quadrangle The shape being formed by connecting) compared to the intensity for improving 36 entirety of framework, to be not easy to distort.

The padded coaming 36M of the shape of framework 36 (being in figure 6 two frameworks) with the embedded continuous quadrangle Be bonded in front panel 35 in at least part in 44 face contacted of heat-insulated expanded material (polyurethane heat-barrier material etc.).It is slow It is the material functioned as follows to rush material 36M, that is, is influenced and makes by the temperature change from the outside of refrigerating chamber door 11 The volume of foamed heat-insulating material itself changes.For example, padded coaming 36M is configured to：In the temperature because of foamed heat-insulating material 44 Degree rises in the case of the volume expansion of foamed heat-insulating material 44, and the thickness of padded coaming 36M is with the expansion correspondingly to inhale The mode for receiving the expansion is thinning.By using this structure, even if due to foamed heat-insulating material 44 expands out of refrigerating chamber door 11 The pressure of portion's outward direction increases, and since padded coaming 36M absorbs the expansion, thus above-mentioned panel 35 will not heave deformation, It is able to maintain that the whole face shaping of refrigerating chamber door 11.

In order to absorb the expansion of foamed heat-insulating material 44, padded coaming 36M has defined thickness.About its thickness, It may depend on the degree of expansion, the contraction of the foamed heat-insulating material 44 in imaginary behaviour in service, the environment taken care of or cold The size etc. of padded coaming 36M entirety used in 11 inside of chilling chamber door.

In addition, foamed heat-insulating material 44 can be shunk when the temperature of foamed heat-insulating material 44 itself reduces.That is, low in temperature It preserves or in use, also may be used in the environment of the stage (fabrication stage) that foamed heat-insulating material 44 is filled into refrigerating chamber door 11 To fill the degree slightly shunk to padded coaming 36M.In such manner, it is possible to prevent caused by the contraction because of foamed heat-insulating material 44 Pressure and lead to 35 shrinkage deformation of front panel.

It can be the material of structure as there is filter as the material of padded coaming 36M, can be so-called close Closure material etc. can be the material formed by the substance that the piece of cellulosic is overlapped into single-layer or multi-layer, can be hydrocarbon system material, Can be the foamed material (expanded material) that polyethylene etc. has independent air bubble structure, can be polyurethane foam etc. has company The foamed material (expanded material) of continuous bubble structure body can also be and knot is laminated using one or more be made in these materials Material obtained from structure.

About the installation site of padded coaming 36M, panel 35 forward-mounted in the present embodiment.As other implementations Example also can install padded coaming 36M other than front panel 35 in framework 36, back panel 40 etc..In addition, as other Embodiment can install padded coaming 36M in the relatively weak position of 11 internal intensity of refrigerating chamber door.Padded coaming 36M as a result, The effect of the intensity of reinforcing (reinforcement) refrigerating chamber door 11 is also functioned to, therefore refrigerator is made to manufacture upper or become to hold using upper operation Easily.

In addition, in the present embodiment, illustrating that the thickness of padded coaming 36M is corresponding with the volume change of foaming heat insulation agent 44 Ground changes.As it is a kind of replace embodiment, if it is thickness be 0.1mm or more resin sheet, then can play with as described above The identical effects of padded coaming 36M.

Moreover, being equipped with margining tablet 37 in above-mentioned framework 36, which is lower from the middle position of outer end to the left and right. Margining tablet 37 is fixed on the above-mentioned preceding upper tops riser 36B of above-mentioned framework 36, as described above, being fixed in above-mentioned mounting surface 36A When above-mentioned front panel 35, the top position of above-mentioned front panel 35 is limited.By margining tablet 37, it is above-mentioned before upper riser 36B, above-mentioned Horizontal plane 36C and above-mentioned rear upper riser 36D constitute handle.

In addition, being equipped with latch for printed circuit 38 in above-mentioned framework 36.It is in L-shaped that latch for printed circuit 38, which is formed vertical sectional shape, Four block forms of shape, and be fixed on the lower surface of the above-mentioned horizontal plane 36E of above-mentioned framework 36, above-mentioned framework 36 two sides The rear ends 36G below 36F, above-mentioned front panel 35.In addition, also can be from the beginning by above-mentioned margining tablet 37 and above-mentioned locking Component 38 is integrally formed with framework 36.

Overleaf the peripheral end portion of panel 40 is formed with flange 40A, above-mentioned flange 40A and is fixed on and is fixed on from back side abutting State the above-mentioned latch for printed circuit 38 of framework 36.The back panel 40 is formed by synthetic resin material, and is equipped with reinforcing body in front 39, and accommodating container (not shown) is overleaf installed, and peripheral portion is equipped with the sealing for having sealing magnet 42 Pad 41.

As described above, the peripheral portion in above-mentioned back panel 40 is formed with recess portion (groove) 40B with continuous state, this is recessed Portion is used to install the above-mentioned gasket 41 with above-mentioned magnet 42.In addition, when above-mentioned magnet 42 is adsorbed in above-mentioned deep freezer master When the front end of the above-mentioned outer container of the steel plate of body 1, the front openings of deep freezer main body 1 can be closed.

Moreover, the above-mentioned preceding upper tops riser 36B in above-mentioned framework 36 are fixed with above-mentioned margining tablet 37, and in above-mentioned framework The lower surface of 36 above-mentioned horizontal plane 36E, two surface side 36F of above-mentioned framework 36, the rear ends 36G below above-mentioned front panel 35 It is fixed in the state of above-mentioned latch for printed circuit 38, above-mentioned front panel 35 is adhesively fixed via adhesive or double-sided adhesive tape In the above-mentioned mounting surface 36A of above-mentioned framework 36.In turn, the above-mentioned back of the body of the above-mentioned gasket 40 with above-mentioned magnet 42 will be installed The flange 40A of faceplate panels 40 is abutted with above-mentioned latch for printed circuit 38 and it is made to fix, and makes above-mentioned front panel 35,36 and of above-mentioned framework 40 integration of above-mentioned back panel.

Moreover, after the state of thus being integrally formed, to by above-mentioned front panel 35, above-mentioned framework 36 and the above-mentioned back side For example inject foaminess resin stoste in space as defined in panel 40, its foaming made using foam-in-place mode, formed foaming every Hot material 44.

The installation of each component when forming the foamed heat-insulating material 44 is fixed by the chimeric of each portion or by adhesive, double The bonding of face adhesive tape etc. and carry out.Moreover, when injecting foaminess resin stoste, installation as described above is fixed each The shape entire surface of above-mentioned refrigerating chamber door 11 in the state of component is utilized presses fixation for bearing the foaming jig of foaming pressure, Foamed heat-insulating material 44 is formed by above-mentioned stoste foamed solidification.Pass through the foamed heat-insulating material 44 of the formation, above-mentioned front Panel 35, above-mentioned framework 36 and above-mentioned back panel 40 are integrated securely and are fixed (with reference to Fig. 7 and Fig. 8 A).By above-mentioned tree The above-mentioned front panel 35 that fat piece is formed is fixed using foamed heat-insulating material 44 via padded coaming 36M etc., in this way, its shape State in setting.

Magnified partial views of Fig. 8 B as Fig. 8 A is the figure instead of embodiment that Fig. 8 A are described in more detail.

A face of padded coaming 36M is bonded by the 36P such as adhesive and front panel 35.In addition, also can be in fender The face with adhesive surface opposite side for expecting 36M, with the 36Q such as adhesive bonding anchoring materials 36N.Anchoring material 36N is auxiliary The further padded coaming (the second padded coaming) of padded coaming 36M.Anchoring material 36N is prevented because of foamed heat-insulating material 44 It is in direct contact with padded coaming 36M and foamed heat-insulating material 44 penetrates into padded coaming 36M.As the material of anchoring material 36N, As long as foamed heat-insulating material 44 can be made not permeate the material of anchoring material 36N, such as can be the stationeries such as corrugated paper. When using corrugated paper, gauffer portion (wavelike segmentss of corrugated paper core) can be used only.Can also be biaxial stretch-formed poly- terephthaldehyde The resin films such as sour glycol ester resin film.

Moreover, being equipped with storage at the back side of the above-mentioned back panel 20,40 of refrigerating chamber door 11 obtained as above Container (not shown), the mechanism etc. that can be moved along the track for being formed in above-mentioned 1 inner face of deep freezer main body.

In addition, the first embodiment as above above-mentioned refrigerating chamber door 11, in the top and the bottom of above-mentioned front panel 15 Above-mentioned door closure 16,17 as framework is installed to support above-mentioned front panel 15, in addition, second as above-mentioned refrigerating chamber door 11 Embodiment supports the peripheral end of above-mentioned front panel 35 with single above-mentioned framework 36, but also can be in above-mentioned front panel Mounting frame is supported 15 left and right part respectively, can be also supported installing 4 frameworks respectively up and down.In addition, Every both sides of above-mentioned front panel can be supported respectively with 2 frameworks, or also can be used 1 framework support above-mentioned front panel 15, 35 three sides support remaining one side with other frameworks.

In this case, it for handle, is set in the first and second embodiments of above above-mentioned refrigerating chamber door 11 It sets on the top of the framework of above-mentioned refrigerating chamber door 11, but may also be arranged in lower part, left and right part according to the structure of above-mentioned framework Any place.

In addition, in the first embodiment and second embodiment of above above-mentioned refrigerating chamber door 11, in order to keep making For intensity and rigidity necessary to the door body that is used in refrigerator, the thickness of the above-mentioned resin sheet used in above-mentioned front panel 15,35 Degree is 0.1mm or more.When less than 0.1mm, it is difficult to maintain necessary intensity and rigidity.Using amorphism or low-crystalline polyester In the case of series resin sheet, if from considerations, preferably 0.5mm or more such as angles in the manufacture of refrigerating chamber door 11, it is more excellent It is selected as 0.8mm or more, further preferably 1.2mm or more.On the other hand, processability reduces if blocked up.Therefore, thickness is 10mm hereinafter, preferably 7mm hereinafter, more preferably 5mm or less.

In addition, for the above-mentioned resin sheet used in above-mentioned front panel 15,35, in order to keep as being used in refrigerator Intensity and rigidity necessary to door body can make its tensile elasticity mould with its tensile modulus of elasticity higher than common polypropylene etc. The mode of amount (700~1400MPa) is constituted.If in addition, can ensure the transparency hard resin piece (polyester based resin piece, Acrylic resin piece, aromatic copolycarbonate series resin sheet etc.), then preferably its tensile modulus of elasticity is 1500MPa or more, more Preferably 1800MPa or more.In this case, to the upper limit of tensile modulus of elasticity without specifically limited, but due to being resin sheet, institute To be up to 10000MPa or less in the range of usually can obtain.

In addition, the tensile modulus of elasticity of the resin sheet of present embodiment is according to JIS K7113 ︰ 1995, tried using No. 1 shape Piece is tested, is measured under conditions of tensile speed 50mm/ minutes.

Above-mentioned resin sheet can use various resin sheets.Such as it can enumerate：The polyester such as aromatic polyester, aliphatic polyester It is resin；Acrylic resin；Polycarbonate-based resin；The polyolefin-based resins such as polyethylene, polypropylene, polymethylpentene；Glass The cellulose-based resins such as glass paper, triacetyl cellulose, diacetyl cellulose, acetobutyrate；Polystyrene, acrylonitrile- The polystyrenes such as butadiene-styrene copolymer resin (ABS resin), styrene-ethylene-butadiene-styrene copolymer Resin；Polyvinyl chloride resin；Vingon system resin；Kynoar etc. contains fluorine resin；And polyvinyl alcohol, second Alkene-vinyl alcohol, polyether-ether-ketone, nylon, polyamide, polyimides, polyurethane, polyetherimide, polysulfones, polyether sulfone；Deng tree Fat piece.These resin sheets include non-stretched, are uniaxially stretched piece, biaxial stretch-formed.Further include 2 layers of the above resin sheet of stacking One or more of obtained by multilayer layer lamination.

In addition, the above-mentioned resin sheet used in above-mentioned front panel 15,35 is preferably the above-mentioned refrigerating chamber door 11 from refrigerator Surface side rise successively contain sealer (A2) and transparent resin lamella (A1) laminated body.The laminated body is carried out below Explanation.

(A1) transparent resin lamella；

Preferably thickness is 0.2mm or more to transparent resin lamella (A1) and such as haze value is 10% resin sheet below Layer.Can be assigned to the above-mentioned refrigerating chamber door 11 of refrigerator using this transparent resin lamella (A1) is had and glass same depth sense Appearance.

The thickness of transparent resin lamella (A1) is more preferably 0.5mm or more, further preferably 1mm or more.It is set from appearance From the point of view of meter property, the thickness the thick the more preferred.The upper limit of thickness is provided by the overall thickness of above-mentioned front panel 15.

In addition, above-mentioned haze value is preferably 6% hereinafter, more preferably 4% hereinafter, most preferably 2% or less.Haze value Although lower limit also depends on the appearance to be assigned to above-mentioned refrigerating chamber door, but due to generally preferably assigning the saturating of penetrating transparent feel Ming tree fat lamella, thus without specifically limited, it is smaller the more preferred.In the present embodiment, haze value is according to JIS K7136 ︰ 2000, it is measured using the nephelometer " NDH2000 " (trade name) of Nippon Denshoku Industries Co., Ltd..

Moreover, as the transparent resin sheet as above-mentioned transparent resin lamella (A1), in addition to preferred thickness is 0.2mm or more And haze value is that can use arbitrary transparent resin sheet without limitation except 10% or less.

Such as it can enumerate：The polyester based resins such as aromatic polyester, aliphatic polyester；Acrylic resin；Makrolon It is resin；The polyolefin-based resins such as polyethylene, polypropylene, polymethylpentene；Glassine paper, triacetyl cellulose, diacetyl fiber The cellulose-based resins such as element, acetobutyrate；Polystyrene, acrylonitrile-butadiene-styrene (ABS trees Fat), the phenylethylene resin series such as styrene-ethylene-butadiene-styrene copolymer；Polyvinyl chloride resin；Gather inclined chloroethene Alkene system resin；Kynoar etc. contains fluorine resin；And polyvinyl alcohol, ethylene-vinyl alcohol, polyether-ether-ketone, nylon, polyamides Amine, polyimides, polyurethane, polyetherimide, polysulfones, polyether sulfone；Deng transparent resin sheet.These transparent resin sheets include not Drawing sheet, be uniaxially stretched piece, biaxial stretch-formed.Further include one or more of 2 layers of the above transparent resin sheet of stacking and obtains Laminates.

Moreover, as the preferred transparent resin sheet as above-mentioned transparent resin lamella (A1), transparent polyester can be enumerated Series resin sheet (a1-1), clear acrylic series resin sheet (a2-1), transparent aromatic adoption carbonic ester series resin sheet (a3-1), can be with Use laminates obtained by the one or more in 2 layers of the above transparent resin sheet of stacking.These transparent resin sheet packets Include non-stretched, be uniaxially stretched piece, biaxial stretch-formed.

As the preference of the above-mentioned laminates as above-mentioned transparent resin lamella (A1), the propylene of high rigidity can be enumerated Laminates, acrylic resin piece and the aromatic copolycarbonate system resin of sour series resin sheet and soft acrylic resin piece The laminates of piece.In addition, from the point of view of manufacturing, the laminates of the resin sheet of identical type are also preferably to be laminated One example of piece.Such as it can enumerate obtained by 2 layers of stacking or more biaxial stretch-formed pet resin film Resin sheet.

The case where transparent resin sheet is amorphism or low-crystalline Polyester, aromatic copolycarbonate system and acrylic acid series Under, do not need vacuum forming.On the other hand, since polypropylene is that high crystalline (especially substantially give birth in wall thickness piece by spherocrystal It is long), thus amorphism or low-crystalline Polyester, aromatic copolycarbonate system and acrylic acid series are used, from transparent feel, gloss Angle considers excellent.In addition, as transparent resin sheet, from the point of view of wet-heat resisting albefaction, amorphism or low crystallization are used Property Polyester, aromatic copolycarbonate system ratio using acrylic acid series it is excellent.

Method to obtaining above-mentioned laminates can be used any means and obtain laminates without limitation.Such as can enumerate as Lower method：The method that dry lamination or heat lamination are carried out after obtaining each resin sheet with any means；Make each structure with extruder At material molten, by using feed block method (feed block method) or branch manifold method (multi manifold Method) T-shaped mould coextrusion etc. and obtain method；And after obtaining at least one resin sheet using any means, The extrusion laminating method of other resin sheets of melting extrusion on the resin sheet；Etc..

In addition, also printing layer (A5) can be arranged in the interlayer of above-mentioned laminates, appearance design sense can be improved.In addition, being Not collapse dept sense, the printing layer (A5) are preferably configured in local setting or using transparent ink.

(A2) sealer；

It is preferred that the face of the surface side as above-mentioned refrigerating chamber door 11 in above-mentioned transparent resin lamella (A1), directly or via Transparent anchor coat (anchor coat) setting sealer (A2).It can be improved by the way that the sealer (A2) is arranged Traumatic resistance and solvent resistance.

As above-mentioned sealer (A2), such as hard coat can be enumerated.Used in formation hard coat Coating preferably has the coating of high transparency, high-luster from the point of view of appearance design.It is applied as such hard Layer formation coating, such as active energy line curing resin composition can be enumerated.

Above-mentioned active energy line curing resin composition is can be gathered by ultraviolet light, electron beam isoreactivity energy line The resin combination of hard coat is closed, is solidified to form, can enumerate and contain active energy ray-curable resin and one point simultaneously The composition of compound and/or Photoepolymerizationinitiater initiater in son with 2 or more isocyanate group (- N=C=O).

As above-mentioned active energy ray-curable resin, for example, can enumerate selected from one or more of following compound or It is the resin for being constituted monomer with above-mentioned more than one：Polyurethane (methyl) acrylate, polyester (methyl) acrylate, polypropylene Sour (methyl) acrylate, epoxy (methyl) acrylate, poly- (methyl) acrylate of ployalkylene glycol and polyethers (methyl) third Olefin(e) acid ester etc. contains the prepolymer or oligomer of (methyl) acryloyl group；(methyl) methyl acrylate, (methyl) ethyl acrylate, (methyl) n-butyl acrylate, (methyl) Hexyl 2-propenoate, (methyl) 2-EHA, (methyl) lauryl Ester, (methyl) isobornyl acrylate, (methyl) acrylic acid dicyclopentenyloxyethyl methacrylate, the bicyclic amylene oxygroup ethyl ester of (methyl) acrylic acid, (methyl) phenyl acrylate, ethylene glycol monophenyl ether (methyl) acrylate, (methyl) acrylic acid 2- methoxy acrylates, (methyl) third Olefin(e) acid hydroxyl ethyl ester, (methyl) hydroxypropyl acrylate, 2- acryloyl-oxyethyls diphenate, (methyl) acrylic acid two Methylamino ethyl ester, (methyl) acrylic acid trifluoro ethyl ester and trimethylsiloxy group ethylmethyl acrylate etc. contain (methyl) acryloyl The monofunctional reactant monomer of oxygroup；The monofunctional reactants monomer such as n-vinyl pyrrolidone, styrene；Diethylene glycol two (methyl) acrylate, neopentyl glycol two (methyl) acrylate, 1,6-hexylene glycols two (methyl) acrylate, polyethylene glycol Two (methyl) acrylate, 2,2 '-bis- (the poly- inferior ethoxyl phenyl of 4- (methyl) acryloxy) propane and 2,2 '-are bis- (the poly- sub- propoxyphenyl of 4- (methyl) acryloxy) propane etc. contains the difunctional reactive monomer of (methyl) acryloyl group； Trimethylolpropane tris (methyl) acrylate, trimethylolethane trimethacrylate (methyl) acrylate etc. contain (methyl) acryloyl group Trifunctional reactive monomer；The tetrafunctional reactivity containing (methyl) acryloyl group such as pentaerythrite four (methyl) acrylate is single Body；And dipentaerythritol hexaacrylate etc. contains six functional response's property monomers of (methyl) acryloyl group；Etc..As above-mentioned work Property energy line curable resin, one or two or more kinds of mixtures in example above can be used.

In addition, in the present specification, (methyl) acrylate refers to acrylate or methacrylate.

As the compound with 2 or more isocyanate group in an above-mentioned molecule, such as can enumerate：Di-2-ethylhexylphosphine oxide- 4- cyclohexyl isocyanates；The trimethylolpropane adduct of toluene di-isocyanate(TDI), three hydroxyls of hexamethylene diisocyanate The isocyanide urea of methylpropane addition product, the trimethylolpropane addition product of isophorone diisocyanate, toluene di-isocyanate(TDI) Acid esters body, the isocyanuric acid ester body of hexamethylene diisocyanate, the isocyanuric acid ester body of isophorone diisocyanate, six Asias The polyisocyanate such as the biuret body of methyl diisocyanate；And the poly- ammonia of block type isocyanates of above-mentioned polyisocyanate etc. Ester crosslinking agent；Etc..These compounds can use individually or combine two kinds it is used above.In addition, when crosslinking, as needed Also the catalyst such as dibutyl tin laurate, two isooctyl acid tin of dibutyl can be added.

In addition, as above-mentioned Photoepolymerizationinitiater initiater, such as can enumerate：Benzophenone, methyl o-benzoylbenzoate, 4- methyl benzophenones, 4,4 '-bis- (lignocaine) benzophenone, methyl o-benzoylbenzoate, 4- phenyl hexichol first Ketone, 4- benzoyl -4'- methyldiphenyls thioether, 3,3', 4,4 '-four (t-butyl peroxy carbonyl) benzophenone, 2,4, The benzophenone based compounds such as 6- tri-methyl benzophenones；Benzoin, benzoin methylether, benzoin ethyl ether, benzoin isopropyl The benzoins based compounds such as ether, the contracting of benzil methyl ketone；Acetophenone, 2,2- dimethoxy -2- phenyl acetophenones, 1- hydroxyls The acetophenones based compound such as cyclohexyl phenyl ketone；The anthraquinones system such as tectoquinone, 2- ethyl hydrazine, 2- amyl anthraquinones chemical combination Object；Thioxanthones based compounds such as thioxanthones, 2,4- diethyl thioxanthones, 2,4- diisopropylthioxanthones etc.；Acetophenone diformazan The alkyl phenones based compound such as base ketal；Triazine based compound；Bisglyoxaline based compound；Acylphosphine oxide compound；Two cyclopentadienyls Titanium sub-group compound；Oxime ester based compound；Oximide acetic acid phenyl ester based compound；Hydroxy-ketone based compound；And Aminobenzoate system Compound；Etc..These compounds can use individually, can also combine two kinds it is used above.

In addition, above-mentioned active energy line curing resin composition can also contain antistatic agent, surface-active as needed Agent, levelling agent, thixotropic agent, anti-fouling agent, printability modifier, antioxidant, weathering stabilizers, light stabilizer, ultraviolet light are inhaled Receive the one or two or more kinds in the additives such as agent, heat stabilizer, colorant, filler.

In above-mentioned active energy line curing resin composition in any ingredient used as needed, as preferably at Point, the particle of grain size 1nm~300nm can be enumerated.By using relative to 100 mass parts of active energy ray-curable resin component For the above-mentioned particle of 1~300 mass parts, preferably 20~100 mass parts, the hardness of hard coat can be improved, improves damage tolerant Wound property.

As above-mentioned particle, inorganic particles, organic fine particles can be used.As inorganic particles, such as silica can be enumerated (silica)；Aluminium oxide, zirconium oxide, titanium oxide, zinc oxide, germanium oxide, indium oxide, tin oxide, tin indium oxide, antimony oxide, The metal oxide microparticles such as cerium oxide；The metal fluorides particle such as magnesium fluoride, sodium fluoride；Metal particle；Metal sulfide particle； Metal nitride particle；Etc..As organic fine particles, such as styrene resin, acrylic resin, polycarbonate resin can be enumerated The resin beads such as the solidified resin of fat, vinylite, amino based compound and formaldehyde.These particles can be used alone one kind, Can combine two kinds it is used above.

In addition, for the purpose for improving the hardness of hard coat obtained by dispersibility or raising of the particle in coating, also may be used Particle obtained by being handled with following surface conditioning agent etc. using the surface to the particle, the surface conditioning agent are vinyl silicon The silane series coupling agents such as alkane, amino silane；Titanate esters system coupling agent；Aluminate-series coupling agent；With (methyl) acryloyl group, second The ethylene unsaturated bond such as alkenyl, allyl group, epoxy group isoreactivity functional group organic compound；Aliphatic acid, fat Acid metal salt etc..

In these particles, the hard coat of more high rigidity in order to obtain, preferred silica, aluminium oxide particle, more preferable silicon The particle of stone.The commercially available product of particle as silica can enumerate the Snow-Tex (commodity of Nissan Chemical Ind Ltd Name), the Quattron (trade name) etc. of Fukawa Chemical Industries Co., Ltd..

In order to keep the transparency of hard coat or in order to effectively obtain the hardness improved effect of hard coat, as The average grain diameter of above-mentioned particle is usually 300nm hereinafter, preferably 200nm is hereinafter, more preferably 120nm or less.On the other hand, To the lower limit of grain size without specifically limited, but the particle that usually can be obtained is 1nm or so minimum.

In addition, in the present specification, the average grain diameter of particle is dissipated using the laser diffraction of Nikkiso Company Limited It penetrates in the grading curve that formula Particle Size Analyzer " MT3200II " (trade name) measures, the side accumulation small from grain size reaches 50 The grain size of quality %.

In addition, in order to be diluted to the concentration for being easy coating, above-mentioned active energy line curing resin composition also can basis It needs containing solvent.As long as solvent does not react with the ingredient of hardening resin composition and any other ingredient or will not The solvent for being catalyzed the autoreactivity (including deterioration reaction) of (promotion) these ingredients is just not particularly limited.Such as it can enumerate 1- methoxy-2-propanols, ethyl acetate, n-butyl acetate, toluene, methyl ethyl ketone, methyl iso-butyl ketone (MIBK), diacetone alcohol With acetone etc..

Above-mentioned active energy line curing resin composition can be obtained by mixing, stirring these ingredients.

Method to being coated with coating can use well known rotation coating method without specifically limited.Specifically, can arrange Lift the methods of roller coating, intaglio plate coating, trans- coating, roller brush, spraying, airblade coating and die coating.

To the thickness of hard coat without specifically limited, but from the improved effect for effectively obtaining traumatic resistance and solvent resistance From the point of view of, preferably 0.5 μm or more.On the other hand, to the upper limit of the thickness of hard coat without specifically limited.But no The hard coat of necessary thickness can only become the main reason for increasing cost, thus most thickness is 50 μm.

As the anchoring paint for being used to form above-mentioned transparent anchor coat, without specifically limited in addition to transparent, such as can be with Use substance well known to polyester, acrylic acid, polyurethane, acroleic acid polyurethane, polyester-polyurethane etc..

To being coated with the method for above-mentioned anchoring paint without specifically limited, well known rotation coating method can be used.It is specific and Speech, can enumerate the methods of roller coating, intaglio plate coating, trans- coating, roller brush, spraying, airblade coating and die coating.

The thickness of transparent anchor coat is usually 0.1~5 μm or so, preferably 0.5~2 μm.

In addition, as above-mentioned sealer (A2), such as vinylidene resin film, poly- pair biaxial stretch-formed can also be laminated The resin mold of the traumatic resistances such as ethylene terephthalate film, excellent solvent resistance.

Above-mentioned vinylidene resin film, which can be used any means and be film-made vinylidene fluoride resin, to be obtained.In addition, making For vinylidene fluoride resin, such as vinylidene fluoride homopolymer, the vinylidene for containing 70 moles of % or more can be enumerated as knot The copolymer of structure unit can use one or two or more kinds of mixtures in these pvdf resins.As can with it is inclined The monomer of vinyl fluoride copolymerization, such as tetrafluoroethene, hexafluoropropene, trifluoro-ethylene, chlorotrifluoroethylene, vinyl fluoride can be enumerated etc., The one or two or more kinds in these monomers can be used.In addition, in the range of without prejudice to the purpose of the present invention, vinylidene It is that can contain lubricant, antioxidant, weatherability stabilizer, heat stabilizer, releasing agent, antistatic agent, surface-active in resin Agent, nucleating agent, colorant, plasticizer etc..

The fusing point of these vinylidene fluoride resins is usually examined in the range of 145~180 DEG C, but from the angle of processability Consider, it is preferable to use the vinylidene fluoride resin that fusing point is 150~170 DEG C.

In addition, in the present specification, the summit of the most high side of the temperature in solubility curve is defined as fusing point, the solubility curve By using the Diamond DSC type differential scanning calorimeters of PerkinElmer Japan companies, with following temperature program(me) into Row DSC measurement obtains, and the temperature program(me) is as follows：Sample is kept at 230 DEG C after five minutes, with 10 DEG C/min of cooling rate - 50 DEG C are cooled to, is kept after five minutes at -50 DEG C, then 230 DEG C are heated to 10 DEG C/min of heating rate.

To method that above-mentioned transparent resin lamella (A1) and above-mentioned vinylidene fluoride resin film are laminated being laminated without specifically limited, It can be laminated using any means.Such as method can be listed below：Transparent resin lamella is being obtained using any means (A1) and after vinylidene resin film the method for carrying out dry lamination or heat lamination；Each constituent material is melted with extruder Melt, the method obtained by using the T-shaped mould of feed block method or branch manifold method coextrusion etc.；And it is obtained using any means After a side in above-mentioned transparent resin lamella (A1) and above-mentioned vinylidene resin film, melting extrusion another party on it Squeeze out laminating method；Etc..

Above-mentioned biaxial stretch-formed polyethylene terephthalate film is widely sold on the market, can be used arbitrary commercially available Product.

In addition, to above-mentioned transparent resin lamella (A1) and above-mentioned biaxial stretch-formed polyethylene terephthalate film is laminated Method can be laminated using any means without specifically limited.Such as method can be listed below：It is obtained using any means The method that dry lamination is carried out after to transparent resin lamella (A1) and biaxial stretch-formed polyethylene terephthalate film；Double Axis stretches the extrusion laminating method of melting extrusion transparent resin lamella (A1) in polyethylene terephthalate film；Etc..

(A3) pigmentary resin lamella；

Also can the formation of above-mentioned transparent resin lamella (A1) have above-mentioned foamed heat-insulating material 22,44 side face on it is straight It connects or via anchor coat or via adhesive, also or via anchor coat and adhesive pigmentary resin is further arranged Lamella (A3).

By the way that the pigmentary resin lamella (A3) is arranged, above-mentioned foamed heat-insulating material 22,44 can be effectively hidden, and by In the color that can see the pigmentary resin lamella (A3) inside above-mentioned transparent resin lamella (A1), it is thus possible to increase depth Sense.

As the pigmentary resin piece as above-mentioned pigmentary resin lamella (A3), without specifically limited, can use arbitrary Chromoresin piece.Such as it can enumerate：The polyester based resins such as aromatic polyester, aliphatic polyester；Acrylic resin；Makrolon It is resin；The polyolefin-based resins such as polyethylene, polypropylene, polymethylpentene；Glassine paper, triacetyl cellulose, diacetyl fiber The cellulose-based resins such as element, acetobutyrate；Polystyrene, acrylonitrile-butadiene-styrene (ABS trees Fat), the phenylethylene resin series such as styrene-ethylene-butadiene-styrene copolymer；Polyvinyl chloride resin；Gather inclined chloroethene Alkene system resin；Kynoar etc. contains fluorine resin；And polyvinyl alcohol, ethylene-vinyl alcohol, polyether-ether-ketone, nylon, polyamides Amine, polyimides, polyurethane, polyetherimide, polysulfones, polyether sulfone；Deng pigmentary resin piece.These resin sheets include non-stretched Piece, be uniaxially stretched piece, biaxial stretch-formed.Further include laminates obtained by one or more of 2 layers of the above resin sheet of stacking.

(A4) printing layer；

Can the formation of above-mentioned transparent resin lamella (A1) have above-mentioned foamed heat-insulating material 22,44 side face on it is straight Connect or be further arranged via anchor coat printing layer (A4).In this case, it also can further be set in the printing layer (A4) Set above-mentioned pigmentary resin lamella (A3).Printing layer (A4) may also be arranged on the transparent resin lamella (A1) of pigmentary resin lamella (A3) On the face of side.

Above-mentioned printing layer (A4), (A5) are to confer to above-mentioned refrigerating chamber door 11 with the layer of appearance design, be by using appoint Meaning ink and arbitrary press printing arbitrary graphic pattern and formed.Printing can be to above-mentioned transparent resin lamella (A1) and above-mentioned coloring Any one of resin sheet (A3) is implemented.As pattern, the stone on the surfaces of rocks such as grain pattern, simulation marble can be enumerated The cloth base pattern of the pattern of line pattern, simulation woven design or cloth-like, brick pattern, veneer parquets pattern, spells cloth at ornamental slab for paving the floor mosaic Pattern etc..As printing ink, can use properly mix in a binder pigment, solvent, stabilizer, plasticizer, catalyst, Substance made of curing agent etc..As above-mentioned binder, polyurethane series resin, Chlorovinyl-acetate vinyl can be used for example Based copolymerized resin, Chlorovinyl-acetate vinyl-acrylic copolymer resin, chlorinated polypropylene system resin, acrylic acid series tree Fat, polyester based resin, polyamide series resin, butyral system resin, polystyrene resin, nitrocellulose prime system resin, acetic acid The resin combination of the resins such as cellulose-based resin and they.

As described above, the resin sheet for constituting above-mentioned front panel 15 is preferably comprised selected from polyester based resin piece (a1), propylene At least one of sour series resin sheet (a2), aromatic copolycarbonate series resin sheet (a3).Above-mentioned polyester based resin piece (a1) is more Preferably amorphism or low-crystalline aromatic polyester resin piece (a11).

Moreover, above-mentioned front panel 15 is more preferably the surface side from the above-mentioned refrigerating chamber door 11 of refrigerator successively containing above-mentioned The laminated body of sealer (A2), above-mentioned transparent resin lamella (A1).Moreover, the transparent resin lamella (A1) contains selected from saturating Bright polyester based resin piece (a1-1), clear acrylic series resin sheet (a2-1), transparent aromatic adoption carbonic ester series resin sheet (a3- At least one of 1).Here, transparent polyester series resin sheet (a1-1) further preferably transparent amorphism or low-crystalline fragrance Adoption ester series resin sheet (a1-2).

(a1) polyester based resin piece；

Polyester based resin piece (a1) is the resin or resin for containing arbitrary polyester based resin by main (90 mass % or more) Composition formed resin sheet, including non-stretched, be uniaxially stretched piece, biaxial stretch-formed.

Above-mentioned transparent polyester series resin sheet (a1-1) is above-mentioned polyester based resin piece (a1), be haze value be 10% or less, Preferably 6% or less, it is more preferably 4% or less, is most preferably 2% resin sheet below.

(a11) amorphism or low-crystalline aromatic polyester resin piece；

Above-mentioned amorphism or low-crystalline aromatic polyester resin piece (a11) are contained by main (90 mass % or more) The resin sheet that the resin or resin combination of amorphism or low-crystalline aromatic polyester resin are formed.

Above-mentioned transparent amorphism or low-crystalline aromatic polyester resin piece (a1-2) are above-mentioned amorphism or low crystallization Property aromatic polyester resin piece (a11), be haze value be 10% or less, preferably 6% or less, more preferably 4% or less, most Preferably 2% resin sheet below.

As above-mentioned amorphism or low-crystalline aromatic polyester resin, such as one kind in following resin can be enumerated Or two kinds or more of mixture：The aromatic polycarboxylic acids such as terephthalic acid (TPA), M-phthalic acid, phthalic acid and naphthalenedicarboxylic acid Ingredient and ethylene glycol, diethylene glycol, neopentyl glycol, 1,2- butanediols, 1,3 butylene glycol, 1,4- butanediols, 1,5- penta 2 Alcohol, 3- methyl-1s, the polyol components such as 5- pentanediols, 2- methyl-1,3-propanediols, 1,4 cyclohexane dimethanol Polyester based copolymer,

More specifically, with monomer summation for 100 moles of %,

Containing 30~40 moles of % of 45~50 moles of % of terephthalic acid (TPA) and ethylene glycol, 1,4 cyclohexane dimethanol 10~ The glycol modification polyethylene terephthalate (PETG) of 20 moles of %；

Containing 45~50 moles of % of terephthalic acid (TPA), 16~21 moles of % of ethylene glycol and 1,4 cyclohexane dimethanol 29~ The glycol modification polycyclohexylene diformazan alcohol ester (PCTG) of 34 moles of %；

Contain 0.5~25 mole of 25~49.5 moles of % of terephthalic acid (TPA), M-phthalic acid % and 1,4- hexamethylene diformazan The modified polycyclohexylene's diformazan alcohol ester (PCTA) of acid of 45~50 moles of % of alcohol；

Containing 30~45 moles of % of terephthalic acid (TPA), 35~48 moles of % of 5~20 moles of % of M-phthalic acid and ethylene glycol, 2~15 moles of % of neopentyl glycol, the diethylene glycol less than 1 mole of %, the sour modification of the bisphenol-A less than 1 mole of % and glycol change Property polyethylene terephthalate.

In addition, being that 10J/g polyester below is defined as amorphous by the dissolving heat in solubility curve in the present specification Property, it will be greater than 10J/g and be defined as low-crystalline for 60J/g polyester below, the solubility curve is by using PerkinElmer The Diamond DSC type differential scanning calorimeters of Japan companies, with following temperature program(me) carries out DSC measurement and obtains, the temperature Program is as follows：Sample is kept at 320 DEG C after five minutes, -50 DEG C to be cooled to 20 DEG C/min of cooling rate, at -50 DEG C Lower holding after five minutes, then with 20 DEG C/min of heating rate is heated to 320 DEG C.

In above-mentioned amorphism or low-crystalline aromatic polyester resin, other compositions can be contained as needed.As Any ingredient that can contain can be enumerated：Thermoplastic resin other than amorphism or low-crystalline aromatic polyester resin； Pigment, inorganic filler, organic filler, resin filler；Lubricant, antioxidant, weatherability stabilizer, heat stabilizer, The additives such as releasing agent, antistatic agent and surfactant；Etc..As the use level of these any ingredients, usually with non- Crystalline substance or low-crystalline aromatic polyester resin are 0.1~10 mass parts or so when being 100 mass parts %.

As preferred any ingredient, core shell rubbers can be enumerated, impact resistance can be improved by using core shell rubbers. As core shell rubbers, such as methacrylate-styrene/butadiene rubbers graft copolymer, acrylonitrile-benzene can be enumerated Ethylene/butadiene rubber graft copolymer, acrylonitrile-styrene/ethylene-propylene rubber graft copolymer, acrylonitrile-benzene Ethene/acrylic ester graft copolymer, methacrylate/acrylate rubber graft copolymer, methacrylate-the third One or two or more kinds of mixtures in the core shell rubbers such as alkene nitrile/acrylate rubber graft copolymer.

For the use level of above-mentioned core shell rubbers, with amorphism or low-crystalline aromatic polyester resin for 100 matter When measuring part %, in order to improve impact resistance, more than preferably 0.5 mass parts；In order to keep the transparency, preferably 5 mass parts with Under, more preferably 3 is below mass part.

(a2) acrylic resin piece；

Above-mentioned acrylic resin piece (a2) be by the main resin of (50 mass % or more) containing acrylic resin or The resin sheet that resin combination is formed.Above-mentioned clear acrylic series resin sheet (a2-1) is above-mentioned acrylic resin piece (a2), It is that haze value is 10% or less, is preferably 6% or less, is more preferably 4% or less, is most preferably 2% resin sheet below.

As above-mentioned acrylic resin, for example, can enumerate containing in acrylic resin (acry) one kind or two kinds The resin combination of one or two or more kinds of mixtures in above mixture and core shell rubbers (core), the acrylic acid series Resin (acry) is poly- (methyl) methyl acrylate, poly- (methyl) ethyl acrylate, poly- (methyl) propyl acrylate, poly- (methyl) Butyl acrylate, (methyl) methyl acrylate-butyl methacrylate (total) copolymer, (methyl) ethyl acrylate-(first Base) (methyl) the acrylate (co) polymer such as butyl acrylate copolymer；Ethylene-(methyl) methyl acrylate copolymer, benzene Ethylene-(methyl) methyl acrylate copolymer etc. contains the copolymer of (methyl) acrylate；Etc., the core shell rubbers (core) be methacrylate-styrene/butadiene rubbers graft copolymer, acrylonitrile-styrene/butadiene rubber connects Graft copolymer, acrylonitrile-styrene/ethylene-propylene rubber graft copolymer, acrylonitrile-styrene/acrylic ester grafted Copolymer, methacrylate/acrylate rubber graft copolymer, methacrylate-acrylonitrile/acrylic rubber Graft copolymer；Etc..

In addition, (methyl) acrylic acid refers to acrylic or methacrylic acid.In addition, (co) polymer refers to polymer or is total to Polymers.

As the match ratio of above-mentioned acrylic resin (acry) and above-mentioned core shell rubbers (core), with the total of the two For 100 mass parts when, preferably above-mentioned acrylic resin (acry) be 50~85 mass parts, above-mentioned core shell rubbers (core) be 50 ~15 mass parts, more preferable above-mentioned acrylic resin (acry) are 60~75 mass parts, and above-mentioned core shell rubbers (core) are 40 ~25 mass parts.

In addition, as any ingredient that can contain in above-mentioned acrylic resin composition, can enumerate：Except acrylic acid It is the thermoplastic resin other than resin and core shell rubbers；Pigment, inorganic filler, organic filler, resin filler；Lubrication The additives such as agent, antioxidant, weatherability stabilizer, heat stabilizer, releasing agent, antistatic agent, nucleating agent and surfactant； Etc..As the use level of these any ingredients, usually with above-mentioned acrylic resin (acry) and above-mentioned core shell rubbers (core) be 0.1~10 mass parts when adding up to 100 mass parts.

(a3) aromatic copolycarbonate series resin sheet；

Above-mentioned aromatic copolycarbonate series resin sheet (a3) is to contain aromatic polycarbonate by main (50 mass % or more) The resin sheet that the resin or resin combination of ester system resin are formed.Above-mentioned transparent aromatic adoption carbonic ester series resin sheet (a3-1) is Above-mentioned aromatic copolycarbonate series resin sheet (a3), be haze value be 10% or less, preferably 6% or less, more preferably 4% with Under, be most preferably 2% resin sheet below.

As above-mentioned aromatic polycarbonate resin composition, such as aromatic copolycarbonate system resin can be enumerated (pc) the resin group of one or two or more kinds of mixtures and one or two or more kinds of mixtures in core shell rubbers (core) in Object is closed, which is that the aromatic dihydroxy compounds such as bisphenol-A and phosgene are poly- by interface Polymer obtained by legal；The carbonic diesters such as the aromatic dihydroxy compounds such as bisphenol-A and diphenyl carbonate are anti-by transesterification Polymer obtained by answering；Etc., which is methacrylate-styrene/butadiene rubbers graft copolymerization Object, acrylonitrile-styrene/butadiene rubber graft copolymer, acrylonitrile-styrene/ethylene-propylene rubber graft copolymerization Object, acrylonitrile-styrene/acrylate graft copolymers, methacrylate/acrylate rubber graft copolymer, methyl Acrylic ester-acrylonitrile/acrylate rubber graft copolymer；Etc..

As the match ratio of above-mentioned aromatic copolycarbonate system resin (pc) and above-mentioned core shell rubbers (core), with the two When adding up to 100 mass parts, preferably above-mentioned aromatic copolycarbonate system resin (pc) be 50~99 mass parts, above-mentioned nucleocapsid rubber Glue (core) is 50~1 mass parts, and more preferable above-mentioned aromatic copolycarbonate system resin (pc) is 70~90 mass parts, above-mentioned core Shell rubber (core) is 30~10 mass parts.

In addition, as any ingredient that can contain in above-mentioned aromatic polycarbonate resin composition, can enumerate Thermoplastic resin in addition to aromatic copolycarbonate system resin and core shell rubbers；Pigment, inorganic filler, organic filler, Resin filler；Lubricant, antioxidant, weatherability stabilizer, heat stabilizer, releasing agent, antistatic agent and surfactant Equal additives；Etc..As the use level of these any ingredients, usually with above-mentioned aromatic copolycarbonate system resin (pc) with Above-mentioned core shell rubbers (core) are 0.1~10 mass parts when adding up to 100 mass parts.

Above-mentioned polyester based resin piece (a1), above-mentioned transparent polyester series resin sheet (a1-1) can be by by poly terephthalic acid second The arbitrary polyester based resin such as diol ester, such as obtained using calendering machine or be filmed using extruder and T-shaped mould； Above-mentioned amorphism or low-crystalline aromatic polyester resin piece (a11), above-mentioned transparent amorphism or low-crystalline fragrance adoption Ester series resin sheet (a1-2) can be by processing by above-mentioned amorphism or low-crystalline aromatic polyester resin, such as using calendering Machine or be filmed using extruder and T-shaped mould is obtained；Above-mentioned acrylic resin piece (a2), above-mentioned clear acrylic system Resin sheet (a2-1) can be by by above-mentioned acrylic resin, such as uses calendering machine or use extruder and T-shaped mould It is filmed and obtains；Above-mentioned aromatic copolycarbonate series resin sheet (a3), above-mentioned transparent aromatic adoption carbonic ester series resin sheet (a3-1) can be by by above-mentioned aromatic copolycarbonate system resin, such as use calendering machine or use extruder and T-type Mould, which is filmed, to be obtained.

Above-mentioned calendering machine can use any type of calender, such as can enumerate three roller of vertical type, vertical type Four-roller, L-type four-roller, inverted L shape four-roller and Z-type roller etc..Above-mentioned extruder can use any type of extruder, such as can arrange Lift single axle extruding machine, rotating Vortex biaxial extruder and counter rotating biaxial extruder etc..

Above-mentioned T-shaped mould can use any type of T-shaped mould, such as can enumerate manifold mould (manifold die), fish Tail mould (fish tail die) and coat hanger die (coat hanger die) etc..In addition, can be to gained polyester based resin piece into one Step is stretched uniaxially or biaxially.

Above-mentioned door closure 16,17, above-mentioned framework 36；

The door closure 16,17, above-mentioned framework 36 are formed by synthetic resin material.Moreover, the door closure 16,17, framework 36 are to protecting It holds intensity necessary to the above-mentioned refrigerating chamber door 11 as refrigerator and rigidity plays an important role, form above-mentioned refrigerating chamber door 11 Shape at least part.

Above-mentioned door closure 16,17, above-mentioned framework 36 for example preferably use acrylonitrile-butadiene-styrene (ABS resin) etc..The door closure 16,17, above-mentioned framework 36 can be used for example injection (mo(u)lding) machine these resins are molded and It obtains.

Above-mentioned back panel 20,40；

The above-mentioned back panel 20,40 for forming the back side of above-mentioned refrigerating chamber door 11 is integrally provided with food accepting rack etc., by Synthetic resin material is constituted, and the gasket 19 for having sealing magnet 18 is equipped with around, to cover above-mentioned freezing ice The mode of the front openings of box main body 1 is fixed.

In order to keep as intensity and rigidity necessary to above-mentioned refrigerating chamber door 11, which for example can be excellent Choosing uses acrylonitrile-butadiene-styrene (ABS resin), rubber modified polystyrene (HIPS) etc..The back side Panel 20,40 can for example be molded these resins by using injection (mo(u)lding) machine and be obtained.

Above-mentioned foamed heat-insulating material 22,44；

The foamed heat-insulating material 22,44 is to above-mentioned front panel 15,35, above-mentioned back panel 20,40, door closure 16,17 Or in the space between framework 36, such as the stoste of Foamex is injected, using foam-in-place mode filling-foam heat-barrier material And formed.Play the role of ensuring the thermal insulation required by the above-mentioned refrigerating chamber door 11 as refrigerator.As for obtaining The foaminess resin for stating the liquid of foamed heat-insulating material 22,44 can use arbitrary foaminess resin without specifically limited.Example It can such as enumerate：The polyurethane series resins such as heat-curable urethane, thermoplastic polyurethane；Thermosetting polyester, thermoplastic polyester etc. are poly- Ester system resin；Polystyrene, acrylonitrile-butadiene-styrene (ABS resin), styrene-ethylene-fourth two The phenylethylene resin series such as alkene-styrol copolymer；The polyolefin-based resins such as polyethylene, polypropylene, polymethylpentene, in waiting One or two or more kinds of mixtures, with

The azo-compounds such as azodicarbonamide；The nitroso compounds such as N, N '-dinitrosopentamethylene tetramine；Carbon The carbonate such as sour hydrogen sodium, ammonium hydrogen carbonate；The organic acids such as citric acid, sodium citrate, oxalic acid；Sodium borohydride；Thermally expand microcapsules； Water, one or two or more kinds of foaming agents in waiting

Resin combination.

In addition, the foamed heat-insulating material 22,44, above-mentioned front panel 15,35,16,17 or above-mentioned framework 36 of above-mentioned door closure, And above-mentioned back panel 20,40 is preferably bonded with sufficient intensity.The rigidity of above-mentioned refrigerating chamber door 11 can be improved in this way.And And in order to be bonded with sufficient intensity, preferably as above-mentioned foamed heat-insulating material 22,44 and above-mentioned front panel 15,35, on The part of the bond locations of 16,17 or above-mentioned framework 36 of door closure and above-mentioned back panel 20,40 is stated, is at least foamed in injection Property resin stoste before be pre-coated with anchor coat.

In addition, from the point of view of the adhesive strength of above-mentioned front panel 15,35 and above-mentioned foamed heat-insulating material 22,44, Such as in the case where the stoste for injecting polyurethane series foaminess resin makes it foam, in the formation of above-mentioned front panel 15,35 State foamed heat-insulating material 22, the face of 44 sides is preferably formed by above-mentioned amorphism or low-crystalline aromatic polyester resin piece. In this way, even if not using above-mentioned anchor coat, such as the above-mentioned foaminess heat-barrier material that is formed by polyurethane series foaminess resin 22,44 is also abundant with the adhesive strength of above-mentioned front panel 15,35.

Also, for the same reason, such as the case where the stoste for injecting polyurethane series foaminess resin makes its foaming Under, as above-mentioned door closure 16,17, above-mentioned back panel 20,40 with the bond locations of above-mentioned foamed heat-insulating material 22,44 Part is also one of preferred embodiment using above-mentioned amorphism or low-crystalline aromatic polyester resin piece.

In addition, embodiment of above is the mode of the above-mentioned refrigerating chamber door 11 about drawer type, but it is not limited to this Refrigerating chamber door is equally applicable to same drawer type door, specifically, being applicable to drawer type shown in present embodiment Above-mentioned ice-making compartment door 9, above-mentioned temperature transition room door 10, above-mentioned vegetable compartment door 12 etc., are not limited to drawer type in addition, also applicable In double evolution formulas or the door of single open-type.

The refrigerator door of the present invention reaches refrigerating chamber door illustrated through this embodiment as a person skilled in the art Embodiment understand as, it will be appreciated that refer to keep the temperature be purpose device door body.For example, the door body of the present invention can also be used for General deep freezer, freezer, refrigerator-freezer etc..

Embodiments of the present invention are illustrated above, but to those skilled in the art, based on above stating Bright to make various replacement examples, amendment or deformation, the present invention includes above-mentioned various replacements in range without departing from the spirit Example is corrected or is deformed.

Claims (5)

1. a kind of refrigerator door, which is characterized in that including constituting the front panel of front, supporting the outboard end of the front panel At least part of framework and constitute the back side back panel, by the front panel, the framework and the back of the body Heat-barrier material is filled in the space that faceplate panels are formed, the refrigerator door is opened and closed the front openings of refrigerator main body,

The front panel uses thickness to be formed for the resin sheet of 0.1mm to 10mm, with the space in the heat-insulated material Expect that at least part in the face of contact has padded coaming, the padded coaming is using sealing material, the piece of cellulosic, hydrocarbon system material Material, the foamed material with independent air bubble structure and at least one of the foamed material with continuous air bubbles structure It is formed,

The heat-barrier material is foamed heat-insulating material,

The thickness of the padded coaming and the volume change of the heat-barrier material accordingly change, for maintaining refrigerator door whole Face shaping；

It is also equipped with second padded coaming of the configuration between the padded coaming and the heat-barrier material, second padded coaming Prevent foamed heat-insulating material from penetrating into padded coaming, the second padded coaming adhesive bonding is in the padded coaming, institute It states the second padded coaming and selects paper-like materials or biaxial stretch-formed PET series resin membrane material.

2. refrigerator door according to claim 1, which is characterized in that the tensile modulus of elasticity of the resin sheet is 1500MPa or more.

3. refrigerator door according to claim 1, which is characterized in that the resin sheet is from the surface of the front panel Side includes the laminated body of sealer and transparent resin lamella successively.

4. refrigerator door according to any one of claim 1 to 3, which is characterized in that the resin sheet contains selected from poly- At least one of ester series resin sheet, acrylic resin piece, aromatic copolycarbonate series resin sheet.

5. a kind of refrigerator, which is characterized in that used door body described in claim 1.