CN115837787A - Novel silica gel composite material for protective sleeve - Google Patents
Novel silica gel composite material for protective sleeve Download PDFInfo
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- CN115837787A CN115837787A CN202210672229.4A CN202210672229A CN115837787A CN 115837787 A CN115837787 A CN 115837787A CN 202210672229 A CN202210672229 A CN 202210672229A CN 115837787 A CN115837787 A CN 115837787A
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Abstract
The invention relates to a novel silica gel composite material for a protective sleeve, which is formed by compounding microfiber and cloth through a liquid silica gel hot-press molding process.
Description
Technical Field
The invention relates to the technical field of silica gel protective sleeves, in particular to a novel silica gel composite material for a protective sleeve.
Background
The existing single liquid silica gel (abbreviated as LSR) injection molding is quite common, and mainly produces products such as medical gloves, nipples, electronic product protective sleeves and the like, in recent years, the protective sleeves begin to be popular with the help of the opportunity of electronic equipment, the function of the protective sleeves is developed into attractive use from the protection of mobile phones, the types of the protective sleeves are diversified along with the increase of the types of the electronic equipment, the single LSR cannot meet the requirements, and a composite material prepared by compounding the LSR and other materials is needed, but the existing process method for preparing the composite material molded product by compounding the LSR and other materials has large and complicated processes, so that the yield of finished products is low, and the manufacturing cost is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the problems that the prior process method for manufacturing a composite material molded product by compounding LSR and other materials has large and complicated processes, the yield of finished products is low and the manufacturing cost is high, a novel silica gel composite material for a protective sleeve is provided.
In order to solve the above technical problems, an embodiment of the present invention provides a novel silica gel composite material for a protective sheath, including the following steps:
preparing liquid silica gel, preparing cloth and preparing microfiber leather;
cutting the cloth into a proper size, and placing the cloth in a mold for hot-press molding treatment;
cutting the microfiber leather into a proper size, and placing the microfiber leather into a mold for hot-press molding treatment of the microfiber leather;
hot-pressing and attaching the liquid silica gel to the cloth and the microfiber leather to form a liquid silica gel layer between the cloth and the microfiber leather to obtain a semi-finished protective sleeve;
and (4) carrying out UV treatment on the semi-finished product protective sleeve, increasing the smoothness, and carrying out laser cutting processing to obtain a finished product.
Optionally, the preparing the liquid silicone gel comprises:
glue A and glue B are mixed at normal temperature according to the proportion of 1:1, and adding a proper amount of color paste.
Optionally, the preparing cloth and the preparing microfiber leather further comprise:
preparing a first porous elastic material and a first hot melt adhesive film, and pre-laminating the surface of the first porous elastic material and the first hot melt adhesive film through a hot pressing process to form a first hot melt adhesive film layer;
hot-pressing and attaching the back of the cloth with the first hot melt adhesive film layer through a hot-pressing process;
preparing a second porous elastic material and a second hot melt adhesive film, and pre-laminating the surface of the second porous elastic material and the second hot melt adhesive film through a hot pressing process to form a second hot melt adhesive film layer;
preparing a microfiber leather base layer, and hot-pressing and attaching the microfiber leather base layer and the second hot-melt adhesive film layer through a hot-pressing process.
Optionally, the liquid silica gel is hot-pressed and attached to the cloth and the microfiber leather, so that a liquid silica gel layer is formed between the cloth and the microfiber leather, and the liquid silica gel layer includes:
during pressing, the microfiber leather is placed on a convex surface of a mold, liquid silica gel is uniformly coated on the surface of the microfiber leather or is injected on the surface of the microfiber leather through an AB mixing roll, then cloth is placed on the upper layer of the liquid silica gel, and then the mold is closed and hot-pressed to form the microfiber leather, the formed liquid silica gel and the cloth in sequence from inside to outside, so that a semi-finished product protective sleeve is obtained;
and after pressing, taking out the semi-finished product protective sleeve by using an air gun, and putting the semi-finished product protective sleeve into the sucker box.
Optionally, the step of performing hot-pressing fit on the liquid silica gel and the cloth further includes:
during pressing, the conditions of die assembly and hot press molding are as follows: the temperature is 125 +/-5 ℃, the pressure is 10 +/-5 kg/cm < 2 >, and the vulcanizing time is 50 +/-10 seconds.
Optionally, subjecting the semi-finished protective sleeve to uv treatment comprising: and applying 6500J/CM ^2 energy to the attached product in a lighting mode for 20 +/-5 min. .
On the other hand, the embodiment of the invention provides a silica gel protective sleeve, which comprises liquid silica gel and cloth; the liquid silica gel is vulcanized and bonded with the cloth;
optionally, the cloth includes a cloth, a hot melt adhesive film, and a porous elastic material, and the cloth and the porous elastic material are bonded by vulcanization of the hot melt adhesive film.
In the novel silica gel composite material for the protective sleeve, the liquid silica gel has good fluidity and high vulcanization speed, easily meets the requirements of various protective sleeve varieties, is safer and more environment-friendly, can meet the requirements of food-grade products, has the characteristics of wear resistance, air permeability, aging resistance, soft texture and the like, realizes the combination of function and attractiveness by hot-pressing and laminating the two materials, and fills the technical blank of the composite manufacturing process of the liquid silica gel cloth.
Drawings
FIG. 1 is a schematic flow chart of a preferred embodiment of a novel silica gel composite for a protective cover according to an embodiment of the present invention;
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In one aspect, an embodiment of the present invention provides a novel silica gel composite material for a protective sheath, including the following steps:
s1, preparing liquid silica gel, preparing cloth and preparing microfiber leather;
s2, cutting the cloth into a proper size, and placing the cloth in a mold for hot press molding treatment;
s3, cutting the microfiber leather into a proper size, and placing the microfiber leather into a mold to perform hot-pressing forming treatment on the microfiber leather;
s4, hot-pressing and attaching the liquid silica gel to the cloth and the microfiber leather to form a liquid silica gel layer between the cloth and the microfiber leather to obtain a semi-finished protective sleeve;
and S5, carrying out UV treatment on the semi-finished product protective sleeve, increasing the smoothness, and carrying out laser cutting processing to obtain a finished product.
In the novel silica gel composite material for the protective sleeve, provided by the embodiment of the invention, the liquid silica gel has good fluidity and high vulcanization speed, the requirements of various protective sleeve varieties are easily met, the novel silica gel composite material is safer and more environment-friendly, the requirements of food-grade products can be met, the cloth and the microfiber have the characteristics of wear resistance, air permeability, aging resistance, soft texture and the like, the combination of functions and attractiveness is realized through hot-pressing and laminating of the three materials, and the technical blank of a composite manufacturing process of the liquid silica gel cloth is filled.
In one embodiment, the preparing the liquid silicone gel includes:
glue A and glue B are mixed at normal temperature according to the proportion of 1:1, and adding a proper amount of color paste.
The adhesive comprises an adhesive body, a color paste, a pigment white pigment, a pigment Yellow pigment, a pigment Blue pigment, a pigment Green pigment, a pigment Orange and a pigment violet pigment, wherein the adhesive body comprises a liquid silica gel base body, the type of the liquid silica gel base body is BT-1300, the pigment is selected from one or more of pigment white, pigment black, pigment Yellow, pigment Red, pigment Blue, pigment Green, pigment Orange and pigment violet, the type of the pigment white pigment is CR-822, the type of the pigment black is Carbon U, the type of the pigment Yellow is Yellow YG, the type of the pigment Red is Red SR2P, the type of the pigment Blue is Heliogen Blue K7096, the type of the pigment Green pigment is Irgalite Green, the type of the pigment Orange is Cropthaneal Blue, the type of the pigment Blue Orange is Cropthaneal Blue 2960, and the type of the pigment violet 4430.
In an embodiment, the preparing cloth and preparing microfiber leather further includes: :
preparing a first porous elastic material and a first hot melt adhesive film, and pre-laminating the surface of the first porous elastic material and the first hot melt adhesive film through a hot pressing process to form a first hot melt adhesive film layer;
hot-pressing and attaching the back of the cloth with the first hot melt adhesive film layer through a hot-pressing process;
preparing a second porous elastic material and a second hot melt adhesive film, and pre-laminating the surface of the second porous elastic material and the second hot melt adhesive film through a hot pressing process to form a second hot melt adhesive film layer;
preparing a microfiber leather base layer, and hot-pressing and attaching the microfiber leather base layer and the second hot-melt adhesive film layer through a hot-pressing process. .
The cloth and the microfiber are soft and inconvenient for subsequent punching treatment, so that the cloth and the microfiber and the porous elastic material processed by the hot pressing process can be respectively put into a special jig for hot pressing and attaching treatment, at the moment, the temperature is controlled to be 125 +/-5 ℃, the cloth and the porous elastic material are attached together through a thermosol film through the hot pressing and attaching treatment, and the cloth has certain stiffness so as to facilitate subsequent punching treatment.
In one embodiment, the hot-pressing and attaching the liquid silica gel to the fabric and the microfiber leather so that a liquid silica gel layer is formed between the fabric and the microfiber leather includes:
during pressing, the microfiber leather is placed on a convex surface of a mold, liquid silica gel is uniformly coated on the surface of the microfiber leather or is injected on the surface of the microfiber leather through an AB mixing roll, then cloth is placed on the upper layer of the liquid silica gel, and then the mold is closed and hot-pressed to form the microfiber leather, the formed liquid silica gel and the cloth in sequence from inside to outside, so that a semi-finished product protective sleeve is obtained;
and after pressing, taking out the semi-finished product protective sleeve by using an air gun, and putting the semi-finished product protective sleeve into the sucker box.
Because liquid silica gel has certain viscosity, consequently need separate liquid silica gel and mould with the air gun, the specific tong utensil of reuse is got semi-manufactured goods protective sheath and is put the suction disc box, the suction disc box is with temporarily depositing semi-manufactured goods protective sheath, prevents the pollution of dust has also been avoided when semi-manufactured goods protective sheath takes place to deform.
In one embodiment, subjecting the semi-finished protective casing to uv treatment comprises: and applying 6500J/CM ^2 energy to the attached product in a lighting mode for 20 +/-5 min.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A novel silica gel composite material for a protective sleeve is characterized by comprising the following steps:
preparing liquid silica gel, preparing cloth and preparing microfiber leather;
cutting the cloth into a proper size, and placing the cloth in a mold for hot-press molding treatment;
cutting the microfiber leather into a proper size, and placing the microfiber leather into a mold for hot-press forming treatment of the microfiber leather;
hot-pressing and attaching the liquid silica gel to the cloth and the microfiber leather to form a liquid silica gel layer between the cloth and the microfiber leather to obtain a semi-finished protective sleeve;
and (4) carrying out UV treatment on the semi-finished product protective sleeve, increasing smoothness, and carrying out laser cutting processing to obtain a finished product.
2. The novel silicone composite material for protective jacketing of claim 1, wherein said preparing liquid silicone comprises:
glue A and glue B are mixed at normal temperature according to the proportion of 1:1, and adding a proper amount of color paste.
3. The novel silicone composite material for protective jacketing of claim 1, wherein said preparing a cloth, preparing microfiber leather further comprises:
preparing a first porous elastic material and a first hot melt adhesive film, and pre-laminating the surface of the first porous elastic material and the first hot melt adhesive film through a hot pressing process to form a first hot melt adhesive film layer;
hot-pressing and attaching the back of the cloth with the first hot melt adhesive film layer through a hot-pressing process;
preparing a second porous elastic material and a second hot melt adhesive film, and pre-laminating the surface of the second porous elastic material and the second hot melt adhesive film through a hot pressing process to form a second hot melt adhesive film layer;
preparing a microfiber leather base layer, and hot-pressing and attaching the microfiber leather base layer and the second hot-melt adhesive film layer through a hot-pressing process.
4. The novel silicone composite material for protective sleeves according to claim 2, wherein the step of hot-pressing the liquid silicone with the fabric and the microfiber leather so as to form a liquid silicone layer between the fabric and the microfiber leather comprises:
during pressing, the microfiber leather is placed on a convex surface of a mold, liquid silica gel is uniformly coated on the surface of the microfiber leather or is injected on the surface of the microfiber leather through an AB mixing roll, then cloth is placed on the upper layer of the liquid silica gel, and then the mold is closed and hot-pressed to form the microfiber leather, the formed liquid silica gel and the cloth in sequence from inside to outside, so that a semi-finished product protective sleeve is obtained;
and after pressing, taking out the semi-finished product protective sleeve by using an air gun, and putting the semi-finished product protective sleeve into the sucker box.
5. The novel silicone composite material for protective sheaths according to claim 4, wherein hot-pressing the liquid silicone to the fabric further comprises:
during pressing, the conditions of die assembly and hot press molding are as follows: the temperature is 125 +/-5 ℃, the pressure is 10 +/-5 kg/cm < 2 >, and the vulcanizing time is 50 +/-10 seconds.
6. The novel silicone composite material for protective jacketing of claim 1, wherein subjecting the semi-finished protective jacketing to uv treatment comprises:
and applying 6500J/CM ^2 energy to the attached product in a lighting mode for 20 +/-5 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210672229.4A CN115837787A (en) | 2022-06-16 | 2022-06-16 | Novel silica gel composite material for protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210672229.4A CN115837787A (en) | 2022-06-16 | 2022-06-16 | Novel silica gel composite material for protective sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115837787A true CN115837787A (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210672229.4A Pending CN115837787A (en) | 2022-06-16 | 2022-06-16 | Novel silica gel composite material for protective sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115837787A (en) |
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2022
- 2022-06-16 CN CN202210672229.4A patent/CN115837787A/en active Pending
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