CN101200865B

CN101200865B - Environmental protection paper structure for foods container and manufacture method thereof

Info

Publication number: CN101200865B
Application number: CN2007101945997A
Authority: CN
Inventors: 张锡卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-12
Filing date: 2007-12-04
Publication date: 2010-06-23
Anticipated expiration: 2027-12-04
Also published as: CN101200865A

Abstract

The invention relates to an environmental protection paper structure for a food container and a method for producing the environmental protection paper structure, belonging to the living goods. The method comprises the steps as follow: the two sides of the primary reel layer are firstly roll-printed through a roller group to cover the first upper and lower bridging agent coat; the first upper and lower bridging agent coating is then molded through a first drying device; a first biological resoluble film layer coat is firstly covered on the surface of the first upper bridging agent coat through a film lamination machine, and then is integrated through a cooling roller group; a second biological resoluble film layer coat is then covered on the surface of the first lower bridging agent coat through an other group of film lamination machine, and then is integrated through another cooling roller group; finally, a second bridging agent coat and an anti-adhesive coat are covered on the outer surface of the first biological resoluble film layer coat and the second biological resoluble film layer coat through another roller group, and then are dried and molded through a second drying device; and a collecting rack is used for collecting the finished products. The invention has the advantages of continuous operation, short production time, increased yield, reduced cost and anti-adhesive property.

Description

Environmental protection paper structure for foods container and manufacture method thereof

Technical field

The present invention relates to daily class, particularly a kind of environmental protection paper structure for foods container and manufacture method thereof.

Background technology

As everyone knows, general the decomposed cardboard of using for the food prepared therefrom container commonly used is to be provided with on cardboard one surface of paper roll to drench film mode coating one biological decomposable PLA (PLA) thin layer, make various tableware made of paper in order to provide to cut, biology can decompose a kind of PET thin layer of thin layer, and biology can decompose also a kind of stratum granulosum of thin layer.

Above-mentioned pouring film mainly has the feature that meets the food-grade container rules in the PLA film layer structure on cardboard one surface, and can adopt the automation one-stop operation when producing.What only dislike blemish in an otherwise perfect thing is, when this structure is tentatively made, be directly with furl frame be wound into cylindric, with the convenient follow-up convenience of keeping in, transporting and cut; Yet this finished product tends to be subjected to the influence of factors such as indoor moisture and temperature in temporary process, make and drench film at the PLA of cardboard single face thin layer, can produce dissolved state slightly because of absorbing the rising of airborne moisture and temperature, therefore, just cause to furl paper and between two cardboards, form and be stained with sticking phenomenon, and then have influence on the inconvenience of follow-up evolutionary operation.

Moreover, the biology of aforementioned employing PET material can decompose thin layer, be to adopt pouring film mode to carry out during fabrication, often cause the thin layer thickness of this pouring film excessive, because biology can decompose thin layer after the sclerosis typing, its ductility is relatively poor, cut or during the operations for forming of container packet follow-up, easily produce the phenomenon of embrittlement slight crack, more than the shortcoming of Cun Zaiing need be improved.

Summary of the invention

The object of the present invention is to provide a kind of environmental protection paper structure for foods container and manufacture method thereof, solved and furled paper and between two cardboards, form and be stained with sticking phenomenon, and then influence follow-up evolutionary operation inconvenience and adopt pouring film mode to make, thin layer thickness is excessive, ductility is relatively poor, easily produces common problem such as embrittlement, slight crack.

Technical scheme of the present invention is: it is two-sided with the upper and lower first bridging agent coating of roller set roll printing coating to comprise that the paper roll ply of paper at first carries out; Then make upper and lower first bridging agent coating typing with first drying unit; Carry out the extrusion first time first Biodegradable thin layer coating at the last first bridging agent coating surface to drench the film machine, and be pressed into one with the chill roll wheels; Then drench film machine with another group and carry out the extrusion coating second time second Biodegradable thin layer, again with another group chill roll wheels pressing and forming at the following first bridging agent coating surface; Carry out at last first and second Biodegradable thin layer outer surface each with another roller set roll printing coating second bridging agent coating and antitack agent coating, through the second drying unit drying and shaping, the rewinding frame furls finished product; Wherein, the bridging agent coating is a kind of material that meets used for packing foods bonding agent rules; This upper and lower first bridging agent coating and the second bridging agent coating can be 52009 APPEIL or other tool congeniality materials of a kind of FEPOL material or the production of group of Du group; The antitack agent coating can be a kind of AC (Anchor Coating) agent material; The antitack agent coating can be biology can decompose titanium series or polyurethane series or polyethyleneimine: vinegar amine series or Polybutadiene Series wherein any; The bridging agent coating can be and a kind ofly entering the polyester material that the compost sessions can be reformed completely into carbon dioxide and water; A kind of environmental protection paper structure for foods container, being included in the pressing in regular turn of ply of paper upper surface has the last first bridging agent coating, the first Biodegradable thin layer and the second bridging agent coating, in the pressing in regular turn of ply of paper lower surface the first bridging agent coating, the second Biodegradable thin layer and antitack agent coating is down arranged; The bridging agent coating is a kind of material that food product packets is equipped with the bonding agent rules that meets; This upper and lower first bridging agent coating and the second bridging agent coating are 52009APPEIL or other tool congeniality materials that a kind of FEPOL material or group of Du Pont produce; The antitack agent coating can be a kind of AC (Anchor Coating) agent; The antitack agent coating can be biology can decompose titanium series or polyurethane series or polyethyleneimine: vinegar amine series or Polybutadiene Series wherein any; The bridging agent coating is a kind ofly to enter the polyester material that the compost sessions can be reformed completely into carbon dioxide and water.

The invention has the advantages that: being discharged to the finished product rewinding from body paper can work continuously, with effective shortening manufacturing time, lifting yield efficiency and actual benefits such as reduction production and personnel costs; This environmental protection paper is furling or lamination when standby, can be between paper wood by the obstruct overcoat of outermost antitack agent coating as the Biodegradable thin layer, sticking phenomenon is stained with in generation to prevent direct contacted how airborne moisture of Biodegradable thin layer or temperature influence.

Description of drawings:

Fig. 1 is a manufacturing process schematic diagram of the present invention;

Fig. 2 is a paper structure cross-sectional schematic of the present invention.

The specific embodiment:

Shown in accompanying drawing 1 and accompanying drawing 2, manufacture method of the present invention, include following flow process: paper roll ply of paper 10 is transmitted with runner carry out the two-sided upper and lower first

bridging agent coating

21,22 with roller set roll printing coating one used for packing foods bonding agent 20, this bonding agent is to use the good Biodegradable material of a kind of quasi-viscous effect, as the material of character such as FEPOL material or other tools.Then with first drying unit 31 make two-sided on, the following first bridging agent coating 21,22 typings, carry out the extrusion first time first Biodegradable thin layer 42 coatings (position is in the upper end) on the last first bridging agent coating 21 surfaces to drench film machine 41 afterwards, and be pressed into one with chill roll wheels 43, and then drench film machine 51 on the following first bridging agent coating, 22 surfaces with another group and carry out the extrusion coating second time second Biodegradable thin layer 52 (position is in the lower surface), again equally with another group chill roll wheels 53 pressing and formings, and the two-sided while of carrying out next stage is with the protection operation of another roller set roll printing coating second bridging agent coating 23 with antitack agent coating 24, wherein, the bonding agent 20 that this antitack agent coating 24 is used is a kind of AC agent, when after second drying unit, 32 drying and shaping, can utilize the rewinding frame to furl the product of finishing 60, so that the follow-up package packing supplies such as various environmental protection paper container or paper lid of making to be provided, reach manufacturing process and always change, effectively promote output, reduce the usefulness of manufacturing cost.

Above-mentioned paper roll ply of paper is in advance through after preheating (Preheating) and the Electrostatic Treatment (Corona treatment), carry out the roll printing coating of the upper and lower first

bridging agent coating

21,22 again, to provide the bridging agent coating to obtain preferable and can stick to the usefulness on ply of paper surface fast.In addition, before the roll printing coating of carrying out the second bridging agent coating 23 and antitack agent coating 24, also be to increase the Electrostatic Treatment operation, to increase the attaching effect of bridging agent coating 23 and antitack agent coating 24.

And above-mentioned used for packing foods bonding agent 20, last, the following first bridging agent coating 21,22 and the second bridging agent coating 23, employed Biodegradable material, can be a kind of food-grade safety packaging standard that meets, has high strength, high melting point, high stability, resistance to impact, ductility reaches the FEPOL material of high working property by force, after it is shaped into film, can produce good pull resistance and pliability, this characteristic helps environmental protection paper when carrying out tableware or the hot-forming operation of container, and its second the most surperficial bridging agent coating is unlikely to be subjected to bending the extension factor and produces the embrittlement crack phenomenon; In addition, using the environmental protection paper material of FEPOL as the second bridging agent coating, is directly to utilize the FEPOL film to do the mutual applying on limit and limit, reaches and saves the shortcoming that tradition must be made the secondary covered with glue.Aforementioned bonding agent also can use the material as character such as 52009 APPEIL of Dupont group production or other tools.

And the antitack agent coating, be to use a kind of material that meets used for packing foods bonding agent rules equally, this bonding agent then is a kind of AC (Anchor Coating) agent, and the AC agent is a biology can decompose titanium series or polyurethane series or polyethyleneimine: vinegar amine series or Polybutadiene Series wherein any.Make with the second bridging agent coating and can be used as a kind of separation layer, make the finished product paper wood pile up or when furling tin, do not produce and be stained with sticking phenomenon keeping flat by this use AC agent.

What remark additionally is, above-mentioned FEPOL is a kind of polyester material that technology develops that utilizes, and it is a kind of macromolecular material that carries out the biological decomposition structure in microorganism, when it enters the compost sessions, can be converted into carbon dioxide and water fully, different with above-mentioned AC agent series really.Brought forward is stated and is adopted roller set roll printing coating mode can make the mode that the bridging agent coating layer thickness of coating drenches the extrusion of film machine come thinly, in view of the above, can make the bridging agent coating increase its extensibility in sclerosis typing back, effectively prevents the function that embrittlement is easily split.

The Biodegradable thin layer 42 that the present invention uses, 52, but be a kind of biology decomposing material (Biodegradable Materials), or boiomacromolecule polymer (Bio-Polymer) or green plastic cement (Green Plastics), tool meets ISO14855 and detects the compost standard, but be a kind of heat plastic material that does not cause environmental pollution fully, as: PLA/PLA (POLYLACTIC ACID) raw material, or poly-terephthaldehyde's ester ethylene glycol/polyester (PET) material, but or the other biological decomposing material of various similar PET raw material, the Biomax 4024PET that produces as: Dupont group, the decomposed Fepol particle identity property material that special LDPE or the weaving of the Far East, Taiwan produce.

As shown in Figure 2; a kind of food containers of the present invention structure of environmental protection paper with above-mentioned manufacture method forming device multi-layer compound film; mainly be to be base material with ply of paper 10; in ply of paper 10 upper surfaces first bridging agent coating 21 on pressing has in regular turn; first Biodegradable thin layer 42 and the last second bridging agent coating 23; in the pressing equally in regular turn of ply of paper 10 lower surfaces the first bridging agent coating 22 is down arranged; the second Biodegradable thin layer 52 reaches the second bridging agent coating 24 down; wherein; above-mentioned each bridging agent coating 21; 22; 23 is a kind of symbol used for packing foods bonding agent rules; the 52009APPEIL that FEPOL material that the tool bonding force is strong or Dupont group produce; or the material of character such as other tools; bridging agent coating 24 then is to use another kind to meet AC (Anchor Coating) agent of used for packing foods bonding agent rules; this AC agent can be biology can decompose titanium series; polyurethane series; polyethyleneimine: vinegar amine series or Polybutadiene Series any; to provide as ply of paper 10 and Biodegradable thin layer 42; 52 stickers of strengthening associativity; in addition; the position is in the outermost second bridging agent coating 24 down; its effect is except providing as Biodegradable thin layer 42; outside 52 the blocking protecting layer; follow-up cut into reservation shape after; more can directly carry out the hot pressing operations for forming; with save traditional type need to carry out earlier pasting the agent coating after, could enter the inconvenience of the secondary operations of hot pressing operations for forming again.

Claims

1. food containers environmental protection paper manufacture method, it is characterized in that: it is two-sided with the upper and lower first bridging agent coating of roller set roll printing coating to comprise that the paper roll ply of paper at first carries out; Then make upper and lower first bridging agent coating typing with first drying unit; Carry out the extrusion first time first Biodegradable thin layer coating at the last first bridging agent coating surface to drench the film machine, and be pressed into one with the chill roll wheels; Then drench film machine with another group and carry out the extrusion coating second time second Biodegradable thin layer, again with another group chill roll wheels pressing and forming at the following first bridging agent coating surface; Carry out at last first and second Biodegradable thin layer outer surface each with another roller set roll printing coating second bridging agent coating and antitack agent coating, through the second drying unit drying and shaping, the rewinding frame furls finished product.

2. food containers environmental protection paper manufacture method according to claim 1 is characterized in that: described bridging agent coating is a kind of material that meets used for packing foods bonding agent rules.