阅读说明：本技术 一种具有金属效果耐揉搓的快速包装膜及其生产工艺 (Rubbing-resistant rapid packaging film with metal effect and production process thereof ) 是由 王浩 胡鸿波 曹龙腾 章威 于 2020-07-15 设计创作，主要内容包括：本发明涉及包装领域,特别是一种具有金属效果耐揉搓的快速包装膜及其生产工艺。该包装膜包括依次贴合的低密度聚乙烯、珠光膜、镀铝层和油墨层,油墨层还包括依次印刷的无色的底涂层、红色的底色层、紫色的第二色层、金色的底纹层、金色的文字层和无色的光漆层,底涂层与镀铝层相贴合。本发明在镀铝珠光膜的金属镀面进行印刷,制得的包装膜具有很强的金属效果,能够吸引消费者的眼球,产品具有较好的货架效果,潜在的提高了产品的附加值；且包装膜油墨附着力良好,耐揉搓,在物流和商品通路流通过程中,不会出现印刷图文油墨缺失等现象。(The invention relates to the field of packaging, in particular to a rubbing-resistant rapid packaging film with a metal effect and a production process thereof. This packaging film is including the low density polyethylene, the pearlized membrane, the layer of aluminizing and the printing ink layer of laminating in proper order, and the printing ink layer is still including the colourless under coat, red end chromatograph, purple second chromatograph, golden under coat layer, golden characters layer and the colourless finish paint layer of printing in proper order, and the under coat is laminated with the layer of aluminizing mutually. According to the invention, the metal plating surface of the aluminum-plated pearlized film is printed, so that the prepared packaging film has a strong metal effect, can attract the eyeball of a consumer, has a good shelf effect, and potentially improves the additional value of the product; and the packaging film has good ink adhesion, is resistant to rubbing, and does not have the phenomena of printing image-text ink loss and the like in the circulation process of logistics and commodity channels.)

1. The utility model provides a quick packaging film with metal effect is able to bear or endure to rub, its characterized in that, this packaging film is including low density polyethylene (1), pearlized membrane (2), aluminizing layer (3) and printing ink layer (4) of laminating in proper order, printing ink layer (3) are still including the colourless under coat, red end colour layer, purple second colour layer, golden end line layer, golden characters layer and the colourless gloss paint layer of printing in proper order, the under coat is laminated with aluminizing layer (3) mutually.

2. The metal effect rub resistant speed packaging film of claim 1 wherein the ink types of the basecoat, second color, basecoat, text, and topcoat are respectively PA9079, PASSION709 white + PASSION709 red, PASSION507 blue + PASSION607 violet, PASSION PMS2169(YX), padson PMS2169(YX), and PA 910.

3. The quick packaging film with metal effect and rub resistance as claimed in claim 2, wherein the content of PASSION709 white and PASSION709 red in said base color layer is 20-30 wt% and 70-80 wt%, respectively; the content of PASSION507 blue and PASSION607 violet in the second color layer is 60-70 wt% and 30-40 wt%, respectively.

4. The quick packaging film with metal effect and rub resistance as claimed in claim 1, wherein said low density polyethylene (1) is low temperature heat sealable metallocene MLDPE resin, said low density polyethylene (1) is brand SP1071C manufactured by mitsui corporation, and said pearlescent film (2) is brand pearlescent film (2) of zhongshan yongning.

5. The quick packaging film with metal effect and rubbing resistance as claimed in claim 1, wherein the thickness of the low density polyethylene (1) is 10um, and the thickness of the pearlized film (2) is 38 um.

6. A process for producing a quick packaging film having a metallic effect resistant to rubbing according to any one of claims 1 to 5, comprising the steps of:

s1, carrying out aluminum plating process treatment on the pearlized film (2) to obtain an aluminum plated layer (3);

s2, sequentially printing a base coat, a base color layer, a second color layer, a base line layer, a character layer and a varnish layer on the surface of the aluminum coating (3) through a printing process at a printing speed of 160-200m/min, and drying and curing the ink at 75-85 ℃ to form an ink layer (4);

s3, carrying out an extrusion compounding process on the printed 38um pearlescent aluminum plating film and 10um low-density polyethylene (1) to obtain the packaging film.

7. The production process of the metal effect kneading-resistant rapid packaging film as claimed in claim 6, wherein the aluminum plating process in step S1 has the following process parameters: the running speed is 8 +/-2 m/s; the cooling temperature of the chill roll was-15 ℃.

8. The process for producing the rubbing-resistant fast packaging film with metal effect as claimed in claim 6, wherein the unreeling tension, the reeling tension, the introducing tension and the pulling tension of the printing process in step S2 are all 10 ± 2 KG; the printing speed is 200 +/-20 m/min.

9. The process for producing the metal effect kneading-resistant rapid packaging film as claimed in claim 6, wherein the extrusion lamination process in step S3 comprises the following process parameters: scraper pressure of 0.3 + -0.1 MPa, glue pressing pressure of 0.3 + -0.1 MPa, and bonding pressure of 0.4 + -0.1 MPa.

10. The process for producing a metal effect rub resistant fast packaging film according to claim 6, wherein said 10um low density polyethylene (1) is a heat seal layer of 38um pearlescent aluminized film.

Technical Field

The invention relates to the field of packaging, in particular to a rubbing-resistant rapid packaging film with a metal effect and a production process thereof.

Background

The communication of visual effects in the package is an essence of the package and is the most commercial nature of the package. Through the design of the package, not only can consumers be familiar with the commodity, but also the memory and the good feeling of the consumers to the brand of the commodity can be enhanced, and the trust of the storage to the enterprise producing the commodity is increased. The wrappage can also bring aesthetic feeling to people through modeling, and embody rich cultural characteristics. The packaging article is bright and bright in color tone, so that the packaging article expresses or permeates modern artistic charms and times in strong traditional culture rhythms. This makes the packaged goods have vitality and wonderful poetry. The value of the commodity is hundreds of times. Some packaging products can even be used as artworks for people to play with. Therefore, a plurality of factors of the consumption link can be mobilized, and all-round penetration is carried out in the consumption link, so that the best practical effect of promoting consumption is achieved.

In recent years, the appearance of food packages has been extremely important, and among many packages, a packaging film having a metal effect attracts consumers' attention to the packaging film and increases the added value of a product. The packaging film with the metal effect is mostly set off by compounding an aluminized film under a printing layer, if the packaging film is printed on an original film with the aluminized surface, the aluminum layer is an inorganic substance, the adhesive force of ink is poor, the ink can fall off in the packaging and forming process, the printing layer is abraded due to mutual friction between printed products in the logistics and commodity circulation processes, the appearance effect of the products is influenced, and even consumer complaints are caused.

Disclosure of Invention

In order to solve the technical problems that the packaging film has a shelf effect and cannot meet the rubbing requirement, the invention aims to provide a rubbing-resistant rapid packaging film with a metal effect.

In order to realize the purpose of the invention, the invention adopts the following technical scheme:

the utility model provides a quick packaging film with metallic effect is able to bear or endure to rub, this packaging film is including the low density polyethylene, pearlized membrane, aluminized layer and the printing ink layer of laminating in proper order, and the printing ink layer is still including the colourless under coat, red end chromatograph, purple second chromatograph, golden bottom line layer, golden characters layer and the colourless gloss paint layer of printing in proper order, and the under coat is laminated with aluminized layer mutually.

Preferably, the ink types of the undercoat layer, the second color layer, the undercoat layer, the text layer and the varnish layer are PA9079 from Dacheng Schmitt, PASSON 709 white + PASSON 70 red from DIC, PASSON 507 blue + PASSON 607 violet from DIC, PASSON PMS2169(YX) from Dacheng Schmitt, respectively.

Preferably, the content of PASSION709 white and PASSION709 red in the bottom color layer is 20-30 wt% and 70-80 wt%, respectively; the content of PASSION507 blue and PASSION607 violet in the second color layer is 60-70 wt% and 30-40 wt%, respectively.

Preferably, the low-density polyethylene is a low-temperature heat-sealing metallocene MLDPE resin, the trademark of the low-density polyethylene is SP1071C produced by Mitsui corporation, and the trademark of the pearlized film is a pearlized film made of Zhongshan Yongning.

Preferably, the low density polyethylene has a thickness of 10um and the pearlescent film has a thickness of 38 um.

The invention also aims to provide a production process of the rubbing-resistant rapid packaging film with the metal effect, which comprises the following steps:

s1, carrying out aluminum plating process treatment on the pearlized film to obtain an aluminum plated layer;

s2, sequentially printing a base coat, a base color layer, a second color layer, a base line layer, a character layer and a varnish layer on the surface of the aluminum-plated layer through a printing process, wherein the printing speed is 160-200m/min, and drying and curing the printing ink at 75-85 ℃ to form a printing ink layer;

s3, carrying out extrusion compounding on the printed 38um pearlescent aluminum plating film and 10um low-density polyethylene to obtain the packaging film.

Preferably, the process parameters of the aluminum plating process in step S1 are respectively: the running speed is 8 +/-2 m/s; the cooling temperature of the chill roll was-15 ℃.

Preferably, the unreeling tension, the reeling tension, the introducing tension and the pulling tension in the printing process in the step S2 are all 10 ± 2 KG; the printing speed is 200 +/-20 m/min.

Preferably, the process parameters of the extrusion compounding process in step S3 are respectively: scraper pressure of 0.3 + -0.1 MPa, glue pressing pressure of 0.3 + -0.1 MPa, and bonding pressure of 0.4 + -0.1 MPa.

Preferably, the 10um low density polyethylene is a 38um heat seal layer of pearlescent aluminized film.

Compared with the prior art, the invention has the beneficial effects that:

1) according to the invention, the metal plating surface of the aluminum-plated pearlized film is printed, so that the prepared packaging film has a strong metal effect, can attract the eyeball of a consumer, has a good shelf effect, and potentially improves the additional value of the product; and the packaging film has good ink adhesion, is resistant to rubbing, and does not have the phenomena of printing image-text ink loss and the like in the circulation process of logistics and commodity channels.

2) The primer coating is PA9079, and the main components of the primer coating are 73-77 wt% of acrylic resin, 9-10 wt% of ethanol, 4-6 wt% of polyacyl amide, 0.4-0.6 wt% of defoaming agent and 9-11 wt% of deionized water; the bottom coating can play a role in bonding the aluminum plating layer and the ink layer, so that the adhesive force of the ink is enhanced; and the ethanol used in the bottom coating component plays a role in diluting, so that the environment-friendly effect is good, the adaptability of bottom coating printing is good, the leveling property on the surface of a packaging film can be good, and a series of problems such as ink lines, knife threads and plate blockage can be avoided.

3) The invention uses the gloss paint PA910, the main components of which are 70-71 wt% of carbonic acid acrylic resin, 12-16 wt% of ethanol, 4-6 wt% of polyacid amide, 0.4-0.6 wt% of defoaming agent and 9-11 wt% of deionized water; the gloss paint can well protect the ink layer, meets the requirement that the integrity of the ink is ensured after the commodity is continuously rubbed in the passage process, meets the rubbing resistance requirement of customers, and ensures the integrity of printed pictures and texts when the package is twisted.

4) The heat-sealing layer of the pearlized film uses the metallocene MLDPE resin which is heat-sealed at low temperature, so that the packaging film can obtain higher heat-sealing strength at higher packaging speed; and the metallocene MLDPE resin adopts SP1071C resin produced by Mitsui company, the resin has good processing characteristics, has good low-temperature heat sealing performance when being used for extruding a coating layer, can better meet the requirement of rapid packaging, and has good puncture resistance compared with other resins, so that the content can be better protected.

5) Through a reasonable preparation process, the defects of poor adhesion between ink and an inorganic material aluminum layer, poor ink scraping and kneading effects and the like are overcome, so that the surface printing technology of the aluminizer is greatly improved, the packaging design has strong metal feeling, the shelf effect of the product is increased, the product can attract the eyeballs of consumers, meanwhile, through the extrusion process design, the packaging speed of the product is greatly increased, and the use cost of the client is reduced; meanwhile, the process can be greatly expanded to surface printing of other aluminum-plated products.

Drawings

FIG. 1 is a flow chart of the present invention.

FIG. 2 is a diagram of a method for testing adhesion between a print layer and ink.

FIG. 3 is a schematic diagram of the adhesion test method of the printing layer and the ink of the present invention.

The notations in the figures have the following meanings:

1-pearlized film, 2-aluminum coating and 3-ink layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.

This packaging film is including the pearlized membrane 2, the aluminizing layer 3 and the printing ink layer 4 of laminating in proper order, and printing ink layer 4 is still including the colourless under coat, red end chromatograph, purple second chromatograph, golden under coat layer, golden characters layer and the colourless finish paint layer of printing in proper order, and the under coat is laminated with aluminizing layer 3 mutually.

In the following examples, the ink types of the undercoat layer, the second color layer, the undercoat layer, the text layer and the varnish layer were PA9079 from Daiichner Schmitt, PASSON 709 white + red from DIC, PASSON 507 blue + PASSON 607 violet from DIC, PASSON PMS2169(YX) from DIC and PA910 from Daiichner Schmitt, respectively. Wherein, the contents of PASSION709 white and PASSION709 red in the bottom color layer are respectively 20-30 wt% and 70-80 wt%; the content of PASSION507 blue and PASSION607 violet in the second color layer is 60-70 wt% and 30-40 wt%, respectively. The low-density polyethylene 1 is low-temperature heat-sealing metallocene MLDPE resin, the trademark of the low-density polyethylene 1 is SP1071C produced by Mitsui corporation, the thickness of the low-density polyethylene 1 is 10um, and the trademark of the pearlized film 2 is 38um pearlized film 1 of Zhongshan Yongning.