CN110450502A - A kind of heat-insulation and heat-preservation cellular board and preparation method thereof - Google Patents

A kind of heat-insulation and heat-preservation cellular board and preparation method thereof Download PDF

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Publication number
CN110450502A
CN110450502A CN201910738358.7A CN201910738358A CN110450502A CN 110450502 A CN110450502 A CN 110450502A CN 201910738358 A CN201910738358 A CN 201910738358A CN 110450502 A CN110450502 A CN 110450502A
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China
Prior art keywords
heat
filler
cellular board
honeycomb
insulation
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CN201910738358.7A
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CN110450502B (en
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宋毅恒
郭振胜
陈锦祥
徐圆
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Southeast University
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Southeast University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/32—Multi-ply with materials applied between the sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/26—All layers being made of paper or paperboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/302—Conductive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)
  • Building Environments (AREA)

Abstract

A kind of heat-insulation and heat-preservation cellular board of the present invention and preparation method thereof, the heat-insulation and heat-preservation cellular board, it include: upper and lower surface layer and intermediate sandwich layer, sandwich layer grid is positive hexagonal structure, filler is filled in honeycomb, filler is freely loosely filled in the honeycomb of cellular board, and is fastened using adhesive, and voidage is 50% ~ 80%；The radiation space is narrowed down to the radiant heat transfer in filler cavity and fine voids by unit honeycomb, forms subregion local heat radiation phenomenon of Heat.Compared with prior art, the present invention uses material filled honeycomb plate, form the function cellular board of high filler voidage, not only strongly reduce the cavity in cellular board, effectively prevent radiant heat transfer and local convective heat transfer, and subregion local heat radiation phenomenon of Heat is formed, prepare the functional cellular plate with high heat-insulation and heat-preservation benefit.

Description

A kind of heat-insulation and heat-preservation cellular board and preparation method thereof
Technical field
The present invention relates to a kind of function cellular boards, function cellular board and its preparation more particularly, to high filler voidage Method.
Background technique
It was discovered by researchers that the six planar nest of hexagonal that honeybee is cooked can be built into extremely firm with least material consumption Honeycomb, this more metopes arrangement and a series of continuous honeycombeds reticular structure, the external force from each side can be dispersed, So that resistance of the honeycomb to extruding force, more much higher than any original shape or square.Therefore, honeycomb sandwich construction is one The structure type of kind lightweight, specific strength and specific stiffness with higher.
But normal cellular plate does not only take up a large amount of volumes since its honeycomb cavity is big, space utilization rate is low, and It is easy to produce radiant heat transfer and local convective heat transfer, limits its heat insulation and preservation effect, it is functional insufficient.With energy saving building Development, the promotion of people's environmental consciousness, heat insulation and preservation effect still have very big room for promotion.
Summary of the invention
In order to overcome the problems, such as the heat-insulation and heat-preservation of normal cellular plate, the present invention provides a kind of function bee of high filler voidage Nest plate and preparation method thereof uses thermal insulation material compared to normal cellular plate as elongated stalk fills the honeycomb lattice of filling sandwich layer Grid, there are cavitys and a large amount of fine voids between the filler in single honeycomb, and have quite high voidage, subtract significantly Radiation space in cellulor can effectively improve the heat-insulated and thermal insulation property of cellular board.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of heat-insulation and heat-preservation cellular board, comprising: upper and lower surface layer and intermediate sandwich layer, sandwich layer grid are positive hexagonal structure, Filler is filled in honeycomb, filler is freely loosely filled in the honeycomb of cellular board, and uses adhesive Fastening, voidage is 50%~80%.The radiation space is narrowed down in filler cavity and fine voids by unit honeycomb Radiant heat transfer forms subregion local heat radiation phenomenon of Heat.
The filler is homogenous material, such as elongated material or spherical granular material, is filled out using fill method is toppled at random It fills.
Specifically, filler is reproducible rice straw powder, glass bead or polystyrene foam particles, preferably Ground, filler are polystyrene foam particles, because heat insulation is best when filled polystyrene foam beads.
The adhesive is polyvinyl acetate emulsion.
Filler is distributed in more sizes, and full-size control exists between the filler in 10mm, single honeycomb Cavity and a large amount of fine voids have high voidage, and the heat-transfer path between filler with heat transfer type is cavity and micro- In heat radiation, air and packing material solid in thin gap (Gu including it is solid/and solid/gas interface) it is thermally conductive and deposit.Reduce bee Radiation space in nest can effectively improve the heat-insulated and thermal insulation property of cellular board.
The preparation method of the heat-insulation and heat-preservation cellular board, step are as follows:
Step 1: drawing and setting, guarantees that each honeycomb stretches abundant and even aperture distribution.
Step 2: cutting optimal is pasted, cutting, cutting optimal and sandwich layer are cohered using core paper end face gluing mode, conserved.
Step 3: packing material is filled into honeycomb by the way of toppling at random.
Step 4: rolling light pressure on sandwich layer with roller, and glued with second step in core paper end face.
Step 5: upper layer is pasted, compacting and deburring form the function cellular board that high filler voidage is made.
The present invention, to topple over fill method filling thermal insulation material at random in honeycomb, is formed height and filled out based on cellular board The function cellular board for filling object voidage plays following three invigoration effects:
1, the function cellular board has the cavity of high filler voidage effectively reduced in honeycomb, and radiation is prevented to pass Heat and local convective heat transfer；
2, there are cavitys and a large amount of fine voids between the filler in single honeycomb, and have quite high gap Rate, radiation space narrow down to the radiant heat transfer in cavity and fine voids by unit honeycomb, form subregion local heat radiation heat transfer Phenomenon；
3, inventor's discovery void rate in the case where filling naturally is high, and there are the spaces of cavity and a large amount of fine voids point Cloth feature, and λESignificantly lower than cellular board, requirement of the building enclosure to high efficiency heat insulation material is reached or approached.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is the distributional pattern and its λ value of packing material of the present invention；
Fig. 3 is preparation flow figure of the present invention；
Fig. 4 is high and medium gap rate function cellular board Determination of conductive coefficients figure of the present invention；
Fig. 5 is packing material in the present invention to the influence curve of cellular board heat transfer property；
Fig. 6 is that stalk powder fills cavity distribution in the present invention；
Fig. 7 is the hollow chamber size of stalk fill system and its local radiant heat transfer schematic diagram in the present invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment, it elaborates to the present invention:
A kind of heat-insulation and heat-preservation cellular board, filler are freely loosely filled in the honeycomb of cellular board, are in more sizes Distribution, full-size control are fastened in 5mm, and using adhesive, there are cavity and greatly between the filler in single honeycomb The fine voids of amount, and have high voidage, greatly reduce the radiation space in honeycomb, can effectively improve cellular board every Heat and thermal insulation property.
Embodiment 1
As shown in Figure 1, the sandwich layer of the upper and lower surface layer of heat-insulation and heat-preservation cellular board and centre is respectively 110g/m2And 170g/m2 A grade craft paper, actual measurement thickness be respectively 0.19mm and 0.22mm.Honeycomb is regular hexagon, each side length is 16mm, plate thickness For 10-60mm, honeycomb is interior to be filled with thermal insulation material.
As shown in Fig. 2, selecting the reproducible rice straw powder (Jiangsu Province, surrounding rural, Lianyungang) of environmental protection and vitreous (happy of the happy room in Guangzhou composite product has for microballon (gloomy perlite applies Co., Ltd in Xinyang) and polystyrene foam particles Limit company) packing material as cellular board, for convenience of filling and reducing the larger gap of storeroom, the control of filler material full-size It is distributed in 5mm, and in more sizes, stalk length is 1~5mm, and glass bead and foam beads partial size are respectively 1~5mm and 3 ~5mm.It is prepared at high filler voidage heat-insulation and heat-preservation cellular board (FHP) according to its packing material difference respectively referred to as For SHP, GHP and PHP, normal cellular plate is referred to as HP.
For fastening packing material and cellular adhesive using polyvinyl acetate emulsion (excellent that dilute polymer (China) Co., Ltd), it is before gluing that liquid cement agitation is uniform to prevent to precipitate.
As shown in figure 3, being filled with embodiment with stalk, the high method for preparing honeycomb plate of heat-insulation and heat-preservation of the present invention is as follows:
Step 1: drawing and setting is uniformly exerted oneself to guarantee that each honeycomb stretches abundant and even aperture distribution with limit for width mode Core is pulled open, and is laid on plate；Being greater than 0.8 again with aperture ratio is standard, finely tunes tensile elongation.To prevent core from springing back, For 24 hours with the fixed entire stretching side of weight compacting.
Step 2: cutting optimal paste, cutting, for reduce glue dosage and semi-finished product moisture content, using on core paper end face Glue mode coheres cutting optimal and sandwich layer shown in Fig. 3 b, conserves 24 hours under the pressure and normal temperature condition that pressure is 1Kpa Afterwards, the part that circumferential extensional is not enough is cut away, remainder is cut into 300 × 300mm2Determination of conductive coefficients standard examination Part.
Step 3: stalk is filled, by stalk powder without vibrate and natural conditions without compacting under be filled into shown in Fig. 3 c In honeycomb, to obtain the preferable test data of discreteness, the amount of filling is subject to powder and is flushed with honeycomb wall top, such as figure 3d。
Step 4: as shown in Figure 3 e, roller disturbance, with plastics matter roller sandwich layer on roll 20 times, by honeycomb The slight perturbations of wall make loose stalk have a little sinking, while being the bonding slot milling of upper layer and sandwich layer, but also real The operating conditions such as operating condition and carrying, installation in practical application are tested to be close.
Step 5: upper layer is pasted, compacting and deburring form, to be further reduced powder interference, facial tissue is used between face, core The mode of gluing is pasted, and the powder residual of core paper end face is disposed before stickup.Then, such as Fig. 3 f, shown in g, by compacting, The function cellular board of high filler voidage is made in the programs such as drying, deburring.
The voidage of filler is determined, with measuring cup substantially to characterize the distributional pattern of packing material.According to toppling at random Filler is attached in the measuring cup that diameter similar in size and honeycomb is 30mm by fill method, measures heap when height is 60mm Product volume V, the number for then counting filler find out the volume V of filler according to filler average external volumeS.It acquires according to the following formula The voidage of 3 kinds of packing materials is calculated about between 60%~80% in voidage ε, has high voidage.
ε=(V-VSThe formula of)/V × 100% (1)
2 Experimental Study of Heat Transfer of embodiment
Using the method for thermal coefficient test respectively to the function cellular board of normal cellular plate and high filler voidage Heat transfer property is evaluated, according to ASTM C518-17 standard, with heat flow method to equivalent heat conductivity λEValue is measured, instrument For HFM436/3 Lambda heat-flow meter.The hot plate of system and the area of cold plate are 300 × 300mm2, it is contemplated that the torrid zone, subtropical zone The summer common higher temperature of equal population in the world compact district is respectively set as in 40 DEG C or so and indoor human body comfort temperature, heat, cold plate th=40 DEG C and tc=25 DEG C, device systems clamp test specimen between hot and cold plate closely by control load size, test In the thickness of each test specimen automatically recorded by system.As shown in Figure 4.Before test, to reduce influence of the humidity to test result, examination Part temperature be 20 DEG C, relative humidity 70%, well-ventilated in the environment of conserve 24 hours.
Above-mentioned test obtains packing material to the influence curve (Fig. 5) of cellular board heat transfer property.From the variation tendency of curve It sees, with the increase of plate thickness, the λ of HP and SHPEValue presents first fast rear slow and GHP and PHP then show growth fast after first delaying and become Gesture；And the increase speed of HP is quickly, and 3 kinds of FHP are fairly slow.As a result the λ of 3 kinds of FHPEValue is in 0.045~0.072 W/ (mK) between, hence it is evident that the heat-proof quality for improving HP reaches or approaches 0.05 W/ of enclosed structure high efficiency heat insulation material (mK) Requirement；And show three kinds of both ends (when plate thickness is 10mm and 60mm) FHP's (i.e. the cellular board that three kinds of packing materials obtain) λEIt is worth closest, the best feature of the heat insulation of PHP.
Finally, having investigated using stalk powder as the function cellular board of the high filler voidage of filler, research stalk is broken The influencing mechanism of its radiant heat transfer of foot couple and its local convection.After filling stalk, cavity (figure is formd in original honeycomb 6), and fine voids are full of, and resulting local heat radiation is defined as subregion local heat radiation heat transfer system.Such as Fig. 7 Shown, vertical, horizontal the size Δ h and Δ d of cavity are much smaller than the cell dimensions of normal cellular plate, not only make radiation space and effectively Radiation height ∑ Δ hiIt strongly reduces, nor local convection can be generated.Not only accounted for about common bee originally after filling stalk Nest plate entirely conducts heat the radiant heat transfer λ of 50%-70%RIt will reduce therewith, and compared with the normal cellular plate of h=60mm, no In the presence of accounting for λEThe local convection of 25%-30% is conducted heat.As it can be seen that mainly anxious by the cavity in normal cellular after being filled with stalk It reduces sharply small and effectively prevents radiant heat transfer and local convective heat transfer, estimated roughly, the maximum range of decrease (h of the sum of both =60mm) it is 60%-70%.

Claims (5)

1. a kind of heat-insulation and heat-preservation cellular board characterized by comprising upper and lower surface layer and intermediate sandwich layer, sandwich layer grid are positive six Side shape structure, honeycomb is interior to be filled with filler, and filler is freely loosely filled in the honeycomb of cellular board, and is made It is fastened with adhesive, voidage is 50% ~ 80%；The radiation space narrows down to filler cavity and fine voids by unit honeycomb Interior radiant heat transfer forms subregion local heat radiation phenomenon of Heat.
2. heat-insulation and heat-preservation cellular board according to claim 1, which is characterized in that the filler is single elongated material Or spherical granular material, it is filled using fill method is toppled at random.
3. heat-insulation and heat-preservation cellular board according to claim 1, which is characterized in that the filler is reproducible rice straw Powder, glass bead or polystyrene foam particles；The adhesive is polyvinyl acetate emulsion.
4. heat-insulation and heat-preservation cellular board according to claim 1, which is characterized in that the filler is distributed in more sizes, most Large scale is controlled in 10mm.
5. the preparation method of heat-insulation and heat-preservation cellular board described in claim 1, which is characterized in that step are as follows:
Step 1: drawing and setting, guarantees that each honeycomb stretches abundant and even aperture distribution；
Step 2: cutting optimal is pasted, cutting, cutting optimal and sandwich layer are cohered using core paper end face gluing mode, conserved；
Step 3: packing material is filled into honeycomb by the way of toppling at random；
Step 4: being rolled on sandwich layer with roller, so that loose stalk is had a little sinking by the slight perturbations to honeycomb wall, is upper The bonding slot milling of surface layer and sandwich layer, and it is identical with second step operation, it is glued in core paper end face；
Step 5: upper layer is pasted, compacting and deburring form the function cellular board that high filler voidage is made.
CN201910738358.7A 2019-08-12 2019-08-12 Heat-insulation honeycomb plate and preparation method thereof Active CN110450502B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111761884A (en) * 2020-07-21 2020-10-13 苏州梅克兰循环科技有限公司 Recyclable honeycomb board for packaging box and preparation method thereof
US20220177215A1 (en) * 2020-12-07 2022-06-09 Smartech International LP Pith filled honeycomb insulating panels and packages

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1772470A (en) * 2004-11-09 2006-05-17 张景园 Continuous production process and apparatus of honeycomb card board with stuffing
CN101566272A (en) * 2009-03-02 2009-10-28 张子良 Stalk honeycomb material
CN201494064U (en) * 2009-07-16 2010-06-02 王岭松 Filled type heat-insulating environment-friendly plate for honeycomb cardboard
CN204970622U (en) * 2015-07-10 2016-01-20 安徽德琳环保发展（集团）有限公司 Biodegradable plastic keep warm bowl
CN208896577U (en) * 2018-09-06 2019-05-24 广州云凯复合材料有限公司 A kind of cellular board of lightweight sound-insulating and heat-insulating

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1772470A (en) * 2004-11-09 2006-05-17 张景园 Continuous production process and apparatus of honeycomb card board with stuffing
CN101566272A (en) * 2009-03-02 2009-10-28 张子良 Stalk honeycomb material
CN201494064U (en) * 2009-07-16 2010-06-02 王岭松 Filled type heat-insulating environment-friendly plate for honeycomb cardboard
CN204970622U (en) * 2015-07-10 2016-01-20 安徽德琳环保发展（集团）有限公司 Biodegradable plastic keep warm bowl
CN208896577U (en) * 2018-09-06 2019-05-24 广州云凯复合材料有限公司 A kind of cellular board of lightweight sound-insulating and heat-insulating

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111761884A (en) * 2020-07-21 2020-10-13 苏州梅克兰循环科技有限公司 Recyclable honeycomb board for packaging box and preparation method thereof
US20220177215A1 (en) * 2020-12-07 2022-06-09 Smartech International LP Pith filled honeycomb insulating panels and packages
US11807442B2 (en) * 2020-12-07 2023-11-07 Smartech International LP Pith filled honeycomb insulating panels and packages

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