阅读说明：本技术 一种硅胶反光刻字膜装饰成型方法 (Silica gel reverse photoetching character film decoration forming method ) 是由 李正富 张立超 颜少河 于 2020-11-06 设计创作，主要内容包括：本发明提供了一种硅胶反光刻字膜装饰成型方法,包括如下步骤：1)取PET卷材,在PET卷材表面涂离型面,网纹辊筒200目,涂布烘烤温度80℃～120℃,时间3～5min；2)步骤1)完成后在离型面的表面刮涂PP树脂层；3)在步骤2)完成后在PP树脂层的面层植入至少一个玻璃珠；4)在步骤3)完成后用硅胶辊在温度140℃～170℃下压平玻璃珠,玻璃珠熔到PP树脂厚度的1/4～1/2,5)在玻璃珠上刮涂环保硅胶层,6)步骤5)完成后在环保硅胶表面网滚涂一层环保树脂层7)步骤6)完成后在环保树脂层的表面覆热熔胶膜,8)按规格分切材料及修边处理及产品质量确认。本发明在PP树脂层的面层植入至少一个玻璃珠,玻璃珠熔到PP树脂厚度的1/3,反光珠不会脱落,确保反光效果长久性。(The invention provides a silica gel reverse photoetching decoration forming method, which comprises the following steps: 1) taking a PET coiled material, coating a molded surface on the surface of the PET coiled material, wherein a reticulate pattern roller is 200 meshes, the coating and baking temperature is 80-120 ℃, and the coating and baking time is 3-5 min; 2) scraping a PP resin layer on the surface of the release surface after the step 1) is finished; 3) implanting at least one glass bead into the surface layer of the PP resin layer after the step 2) is finished; 4) flattening the glass beads at the temperature of 140-170 ℃ by using a silicone roller after the step 3), melting the glass beads to 1/4-1/2 of the thickness of PP resin, 5) coating an environment-friendly silica gel layer on the glass beads in a scraping mode, 6) rolling and coating an environment-friendly resin layer on the surface of the environment-friendly silica gel after the step 5), coating a hot melt adhesive film on the surface of the environment-friendly resin layer after the step 6), and 8) cutting the material according to the specification, trimming and confirming the product quality. According to the invention, at least one glass bead is implanted into the surface layer of the PP resin layer, the glass bead is fused to 1/3 of the thickness of the PP resin, the reflective bead cannot fall off, and the long-term reflective effect is ensured.)

1. A silica gel reverse photoetching character film decoration forming method is characterized by comprising the following steps:

1) taking a PET coiled material, coating a molded surface on the surface of the PET coiled material, wherein a reticulate pattern roller is 200 meshes, the coating and baking temperature is 80-120 ℃, and the coating and baking time is 3-5 min;

2) scraping a PP resin layer on the surface of the release surface after the step 1) is finished;

3) implanting at least one glass bead into the surface layer of the PP resin layer after the step 2) is finished;

4) flattening the glass beads by using a silicone roller at the temperature of 140-170 ℃ after the step 3), melting the glass beads to 1/4-1/2 of the thickness of the PP resin,

5) coating an environment-friendly silica gel layer on glass beads in a scraping mode, wherein the thickness of the environment-friendly silica gel layer is 0.25-0.5 mm, and baking the glass beads after the scraping mode is carried out, wherein the baking temperature is 60-180 ℃, and the baking time is 3-5 min;

6) after the step 5), rolling and coating an environment-friendly resin layer with the thickness of 2-4 um on the surface of the environment-friendly silica gel, wherein the rolling and coating speed of a baking parameter net is 3-5 meters per minute, the coating and baking temperature is 120-170 ℃, and the time is 5-8 min;

7) step 6), coating a hot melt adhesive film on the surface of the environment-friendly resin layer, wherein the thickness of the hot melt adhesive film is 0.1-0.15 mm, the coating temperature is 120-180 ℃, and the coating speed is 3-5 meters per minute;

8) cutting the material according to the specification, trimming and confirming the product quality.

2. The method as claimed in claim 1, wherein the hot melt adhesive film is one of TPU, PA and PES materials.

3. The method for forming a silica gel reverse photoetching decoration film according to claim 1, wherein the release surface is formed by corona-treating PET, the corona surface is treated by a treating agent A, the treated pattern layer is separated from the PET corona surface, the surface is a matte surface, and the thickness of the coating is 1.5-2.5 um.

4. The method as claimed in claim 3, wherein the treating agent A is SS 521.

5. The method as claimed in claim 1, wherein the environmental resin layer is made of an environmental resin.

6. The decoration forming method of the silica gel reverse photo-etching character film as claimed in claim 5, wherein the environment-friendly resin material comprises, by mass, 50-55% of PU resin, 20-35% of PP resin, 7-15% of methyl vinyl, 5-10% of matte powder, 2-3% of silicone oil, 2-3% of coupling agent and 4-6% of curing agent.

7. The decoration forming method of the silica gel reverse photo-etching character film as claimed in claim 6, wherein the environment-friendly resin material comprises, by mass, 50-53% of PU resin, 20-30% of PP resin, 7-10% of methyl vinyl, 5-6% of matte powder, 2-3% of silicone oil, 2-3% of coupling agent and 4-6% of curing agent.

8. The method for forming a silica gel reverse photo-etching character film decoration according to claim 1, wherein in the step 4), the glass beads are baked in a tunnel furnace after being melted in the PP resin, and the baking temperature is 80 ℃ to 100 ℃ and the baking time is 3min to 5 min.

Technical Field

The invention relates to a forming technology of a silica gel mold or a decorative film, in particular to a decorative forming method of a silica gel reflective lettering film.

Background

At present, 1. the light-reflecting silica gel adopts a screen printing process and a TPU anti-photoetching printing film, and has the defects that: the printing silica gel has high cost, poor washing fastness and poor reliability. And 2, the TPU reflective lettering film is easy to fall off and age.

Disclosure of Invention

In view of the above, the main objective of the present invention is to provide a method for forming a silica gel reverse photo-etching character film decoration.

A silica gel reflective lettering film decoration forming method comprises the following steps:

1) taking a PET coiled material, coating a molded surface on the surface of the PET coiled material, wherein a reticulate pattern roller is 200 meshes, the coating and baking temperature is 80-120 ℃, and the coating and baking time is 3-5 min;

2) scraping a PP resin layer on the surface of the release surface after the step 1) is finished;

3) implanting at least one glass bead into the surface layer of the PP resin layer after the step 2) is finished;

4) flattening the glass beads by using a silicone roller at the temperature of 140-170 ℃ after the step 3), melting the glass beads to 1/4-1/2 of the thickness of the PP resin,

5) coating an environment-friendly silica gel layer on glass beads in a scraping mode, wherein the thickness of the environment-friendly silica gel layer is 0.25-0.5 mm, and baking the glass beads after the scraping mode is carried out, wherein the baking temperature is 60-180 ℃, and the baking time is 3-5 min;

6) after the step 5), rolling and coating an environment-friendly resin layer with the thickness of 2-4 um on the surface of the environment-friendly silica gel, wherein the rolling and coating speed of a baking parameter net is 3-5 meters per minute, the coating and baking temperature is 120-170 ℃, and the time is 5-8 min;

7) step 6), coating a hot melt adhesive film on the surface of the environment-friendly resin layer, wherein the thickness of the hot melt adhesive film is 0.1-0.15 mm, the coating temperature is 120-180 ℃, and the coating speed is 3-5 meters per minute;

8) cutting the material according to the specification, trimming and confirming the product quality.

Further, the hot melt adhesive film is one of TPU, PA and PES materials.

Further, the release surface is used for carrying out corona treatment on PET, a treating agent A is adopted for carrying out treatment on the corona surface, the treated pattern layer is separated from the PET corona surface, the surface is a matte surface, and the thickness of the coating is 1.5-2.5 um.

Further, the treating agent A is an environment-friendly resin material SS 521.

Furthermore, the environment-friendly resin layer is made of environment-friendly resin materials.

Further, the environment-friendly resin material comprises, by mass, 50-55% of PU resin, 20-35% of PP resin, 7-15% of methyl vinyl, 5-10% of matte powder, 2-3% of silicone oil, 2-3% of a coupling agent and 4-6% of a curing agent.

Further, the environment-friendly resin material comprises, by mass, 50-53% of PU resin, 20-30% of PP resin, 7-10% of methyl vinyl, 5-6% of matte powder, 2-3% of silicone oil, 2-3% of a coupling agent and 4-6% of a curing agent.

Further, in the step 4), the glass beads are melted into the PP resin and then are baked in a tunnel furnace at the baking temperature of 80-100 ℃ for 3-5 min.

According to the invention, at least one glass bead is implanted into the surface layer of the PP resin layer, the glass beads are flattened by the silica-rubber roller at the temperature of 140-170 ℃, the glass beads are melted to 1/4-1/2 of the thickness of the PP resin, the reflective beads cannot fall off, and the long-term reflective effect is ensured.

Detailed Description

The present invention will be described in detail with reference to examples.

Example 1

A silica gel reflective lettering film decoration forming method comprises the following steps:

1) coating a profile surface on the surface of a PET coiled material, wherein a reticulate pattern roller is 200 meshes, the coating and baking temperature is 80 ℃, and the coating and baking time is 3 min;

2) scraping a PP resin layer on the surface of the release surface after the step 1) is finished;

3) implanting at least one glass bead into the surface layer of the PP resin layer after the step 2) is finished;

4) flattening the glass beads at 140 ℃ by using a silica gel roller after the step 3), melting the glass beads to 1/4 of the thickness of the PP resin,

5) coating an environment-friendly silica gel layer on the glass beads in a blade coating thickness of 0.25, and baking at 60 ℃ for 3min after blade coating;

6) after the step 5) is finished, rolling and coating an environment-friendly resin layer with the thickness of 2 mu m on the surface of the environment-friendly silica gel, wherein the rolling and coating speed of a baking parameter net is 3 meters per minute, the coating and baking temperature is 120 ℃, and the time is 5 min;

7) step 6), coating a hot melt adhesive film on the surface of the environment-friendly resin layer, wherein the thickness of the hot melt adhesive film is 0.1mm, the film coating temperature is 120 ℃, and the film coating speed is 3 meters per minute;

8) cutting the material according to the specification, trimming and confirming the product quality.

In the above, the hot melt adhesive film is one of TPU, PA and PES materials.

In the aforesaid, for carrying out corona treatment with PET, from the profile, adopt finishing agent A to handle at its corona face, picture layer and PET corona face separation after the processing, the surface is dumb face, coating thickness 1.5 um.

In the above, the treating agent a is an environment-friendly resin material SS 521.

In the above, the environment-friendly resin layer is made of an environment-friendly resin material.

In the above, the environment-friendly resin material comprises, by mass, 50-55% of PU resin, 20-35% of PP resin, 7-15% of methyl vinyl, 5-10% of matte powder, 2-3% of silicone oil, 2-3% of a coupling agent, and 4-6% of a curing agent.

In the above, in step 4), the glass beads are melted into the PP resin and then baked in a tunnel furnace at 80 ℃ for 3 times.

The product is detected, and the yield is 97.90%.

Example 2

A silica gel reflective lettering film decoration forming method comprises the following steps:

1) coating a profile surface on the surface of a PET coiled material, wherein a reticulate pattern roller is 200 meshes, the coating and baking temperature is 120 ℃, and the coating and baking time is 5 min;

2) scraping a PP resin layer on the surface of the release surface after the step 1) is finished;

3) implanting at least one glass bead into the surface layer of the PP resin layer after the step 2) is finished;

4) flattening the glass beads at the temperature of 170 ℃ by using a silica roller after the step 3), melting the glass beads to 1/2 the thickness of the PP resin,

5) coating an environment-friendly silica gel layer with a thickness of 0.5mm on the glass beads in a blade mode, and baking at the baking temperature of 180 ℃ for 5 min;

6) after the step 5), rolling and coating an environment-friendly resin layer with the thickness of 2-4 microns on the surface of the environment-friendly silica gel, wherein the rolling and coating speed of a baking parameter net is 5 meters per minute, the coating and baking temperature is 70 ℃, and the time is 8 min;

7) step 6), coating a hot melt adhesive film on the surface of the environment-friendly resin layer, wherein the thickness of the hot melt adhesive film is 0.15mm, the film coating temperature is 180 ℃, and the film coating speed is 5 meters per minute;

8) cutting the material according to the specification, trimming and confirming the product quality.

In the above, the hot melt adhesive film is one of TPU, PA and PES materials.

In the foregoing, the release surface is to carry out corona treatment with PET, adopts treating agent A to handle at its corona surface, and picture layer after the processing and PET corona surface separation, the surface is mute face, coating thickness 1.5um ~ 2.5 um.

In the above, the treating agent a is an environment-friendly resin material SS 521.

In the above, the environment-friendly resin layer is made of an environment-friendly resin material.

In the above, the environment-friendly resin material comprises, by mass, 50-55% of PU resin, 20-35% of PP resin, 7-15% of methyl vinyl, 5-10% of matte powder, 2-3% of silicone oil, 2-3% of a coupling agent, and 4-6% of a curing agent.

In the step 4), the glass beads are melted into the PP resin and then baked in a tunnel furnace at 100 ℃ for 5 min.

Through detecting the product, the yield is 98.50%.

Example 3

A silica gel reflective lettering film decoration forming method comprises the following steps:

1) coating a profile surface on the surface of a PET coiled material, wherein a reticulate pattern roller is 200 meshes, the coating and baking temperature is 100 ℃, and the coating and baking time is 45 min;

2) scraping a PP resin layer on the surface of the release surface after the step 1) is finished;

3) implanting at least one glass bead into the surface layer of the PP resin layer after the step 2) is finished;

4) flattening the glass beads with a silicone roller at a temperature of 155 ℃ after the completion of step 3), melting the glass beads to 1/3 the thickness of the PP resin,

5) coating an environment-friendly silica gel layer with a thickness of 0.4mm on the glass beads in a blade mode, and baking at the baking temperature of 100 ℃ for 4 min;

6) after the step 5), rolling and coating an environment-friendly resin layer with the thickness of 3 mu m on the surface of the environment-friendly silica gel by using a net, wherein the rolling and coating speed of a baking parameter net is 4 meters per minute, the coating and baking temperature is 150 ℃, and the time is 6 min;

7) step 6), coating a hot melt adhesive film on the surface of the environment-friendly resin layer, wherein the thickness of the hot melt adhesive film is 0.14mm, the film coating temperature is 150 ℃, and the film coating speed is 4 meters per minute;

8) cutting the material according to the specification, trimming and confirming the product quality.

In the above, the hot melt adhesive film is one of TPU, PA and PES materials.

In the foregoing, the release surface is to carry out corona treatment with PET, adopts treating agent A to handle at its corona surface, and picture layer after the processing and PET corona surface separation, the surface is mute face, coating thickness 1.5um ~ 2.5 um.

In the above, the treating agent a is an environment-friendly resin material SS 521.

In the above, the environment-friendly resin layer is made of an environment-friendly resin material.

In the above, the environment-friendly resin material comprises, by mass, 50-55% of PU resin, 20-35% of PP resin, 7-15% of methyl vinyl, 5-10% of matte powder, 2-3% of silicone oil, 2-3% of a coupling agent, and 4-6% of a curing agent.

In the step 4), the glass beads are melted into the PP resin and then baked in a tunnel furnace at 90 ℃ for 4 min.

The product is detected, and the yield is 99.90%.

In embodiments 1 to 3, the environment-friendly resin material comprises, by mass, 50 to 53% of a PU resin, 20 to 30% of a PP resin, 7 to 10% of a methyl vinyl group, 5 to 10% of a matte powder, 2 to 3% of a silicone oil, 2 to 3% of a coupling agent, and 4 to 6% of a curing agent. Specifically, the environment-friendly resin material comprises, by mass, 53% of PU resin, 20% of PP resin, 7% of methyl vinyl, 8% of matte powder, 3% of silicone oil, 3% of coupling agent and 6% of curing agent.

In the above embodiments 1 to 3, at least one glass bead is implanted into the surface layer of the PP resin layer, and after completion, the glass beads are flattened by the silica-gel roller at a temperature of 140 ℃ to 170 ℃, and the glass beads are flattened by the silica-gel roller, so that the glass beads are ensured to be melted to 1/3 of the PP resin, which is a particularly critical step.

The environment-friendly silica gel is coated on the glass beads in a scraping mode, any color can be adjusted, the general thickness is controlled to be 0.25-0.5 mm, and different color effects can be visually observed according to different requirements.

The technical solutions disclosed in the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained in the present document by using specific embodiments, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.