CN103444810A - Production process of food grade silicone baking mat - Google Patents
Production process of food grade silicone baking mat Download PDFInfo
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- CN103444810A CN103444810A CN 201310313517 CN201310313517A CN103444810A CN 103444810 A CN103444810 A CN 103444810A CN 201310313517 CN201310313517 CN 201310313517 CN 201310313517 A CN201310313517 A CN 201310313517A CN 103444810 A CN103444810 A CN 103444810A
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- glue
- silica gel
- adhesive
- gluing
- solvent naphtha
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Abstract
The invention discloses a production process of a food grade silicone baking mat, and relates to the technical field of food processing material production, in particular to production technology of food grade baking mats used in ovens. The process includes applying adhesives to alkali-free glass fiber weaving fabric, heat forming and cutting and is characterized in that the adhesives are mixed by an adhesive A, an adhesive B and solvent oil, the adhesive A is mixed by polysiloxane, gas phase silica and platinum complex, the adhesive B is platinum, and the solvent oil is food grade silicone solvent. The production process has the advantages that the special adhesives are used, viscosity is changed through the solvent oil to reach appropriate applying rate and allow adhesive applying thickness to be moderate, defects, caused by excessive thickness or thinness of the adhesives, such as uneven product thickness, bubble generation, adhesive and glass fiber separation are prevented, product yield is increased greatly, and service life is prolonged greatly.
Description
Technical field
The present invention relates to the production technical field of food processing with material, especially for the production technology of the roasting pad of the food stage in baking box.
Background technology
People adopt the roasting pad of the food stage silica gel of compound silica gel glass fabric outside as to baking, roasting food loading material to the ripe processing of food system.As disclosed the processing technology of the roasting pad of a kind of food stage silica gel in the China Patent No. manufacture craft that is 2006100382143, mainly to be coated with the shoe Silastic paste outside glass fabric, and then through drying, have pressure sulfuration, cutting, upper edge-wrapping adhesive, drying again, vulcanize, this manufacture craft program is complicated, the equipment investment amount is large, production process personnel are many, is unfavorable for economized, low-cost large batch of production.
Summary of the invention
The present invention proposes that a kind of flow process is simple, easy operating, be beneficial to the production technology of the roasting pad of cost-effective food stage silica gel.
Technical solution of the present invention is: be included in gluing on the alkali-free glass fiber woven cloths, thermal finalization and cutting step, be characterized in: adopt the mixed glue solution formed by A glue, B glue and solvent naphtha during gluing, the mixture that described A glue is comprised of polysiloxanes, aerosil and platinum complex compound, B glue is platinum, and solvent naphtha is food stage silicon rubber solvent; The mixed material feeding mass ratio of A glue, B glue and solvent naphtha is 100 ︰ 2 ︰ 40;
The present invention adopts special glue, and change viscosity by solvent naphtha, to reach suitable gluing rate, make gluing thickness moderate, preventing blocked up or excessively thin having that adhesive tape comes that product thickness is inhomogeneous, the defect such as bubble production, glue and Glass Separation, product percent of pass is improved greatly, and greatly extend service life.
Air is brought into and is made product pore occur when preventing epoxy glue, after the mixed glue solution pump-down process that the present invention also will be comprised of A glue, B glue and solvent naphtha for gluing.
In order effectively to prevent that the blocked up gluing from bringing glue and the segregative defect of glass, the present invention carries out gluing at twice, in gluing for the first time, after the oven of 130～200 ℃, then carries out gluing for the second time, after the oven of 130～200 ℃, carry out thermal finalization again.
In order to improve the aesthetic of product, also come off for the glue of prevention silica gel cloth cutting edge, carry out bound edge after cutting, edge-wrapping adhesive is comprised of A glue, B glue, solvent naphtha and food coloring, and the mixing quality ratio of A glue, B glue, solvent naphtha and food coloring is 100 ︰ 2 ︰ 20 ︰ 1.The present invention adopts special edge-wrapping adhesive to be beneficial to gluing, reaches the effect of bound edge, again can the too thick limit of generation, and to meet the requirement of user to product thickness.
Concrete preferred wrapping process is: after every limit of the silica gel cloth sheet after cutting is placed in to edge-wrapping adhesive and is stained with glue, with clamping device, clamp, sending into drying tunnel length is 10～100 meters, in the baking oven that temperature is 30～200 ℃, speed with 1～10 m/min is at the uniform velocity advanced, until dry.
Above solvent naphtha can adopt No. 6 solvent naphthas of food stage.
The specific embodiment
Production stage is as follows:
1, synthetic food level liquid silica gel: formed by A glue and B glue, solvent naphtha.
Wherein the component of A glue is: the food stage extended type liquid silastic of the compositions of mixtures of polysiloxanes, aerosil and platinum complex compound.
The component of B glue is: platinum.
Solvent naphtha is: food stage silicon rubber solvent, and as No. 6 solvent naphthas of food stage.
Solvent naphtha can change viscosity.
Mass ratio by A glue, B glue and solvent naphtha with 100 ︰ 2 ︰ 40 mixes, and by mixer, stirs evenly, and then, after exhaust, adds feed chute.
2, select the alkali-free glass fiber woven cloths: the 8*8/cm～20*18/cm that twists thread, grammes per square metre are 150～300 grams/m
2glass fabric.
3, gluing: cloth is passed through to the hopper impregnation that is added with glue at twice, after doctor blade, through press polish, solidify, reach thickness and the flatness of product requirement, and then, by oven for drying, adopt the grouping mode of heating in baking oven, control the temperature of zones of different, can automatically regulate temperature control at 130～200 ℃, the cloth after gluing, by built-in temperature automatically controlled curing calender, makes the product smooth.Rolling, obtain silica gel cloth.
4, cut: the specification needed according to the user is cut into the silica gel cloth sheet by silica gel cloth.
5, bound edge:
The preparation of edge-wrapping adhesive: the mass ratio by A glue, B glue, solvent naphtha and food coloring with 100 ︰ 2 ︰ 20 ︰ 1 mixes, and is placed in the edge-wrapping adhesive groove.
After the edge-wrapping adhesive that every limit of silica gel cloth sheet is placed in to edge-wrapping adhesive is stained with glue, with clamping device, clamp, sending into drying tunnel length is 10～100 meters, in the baking oven that temperature is 30～200 ℃, with the speed of 1～10 m/min, at the uniform velocity advances, and reaches oven dry.
6, lettering: according to customer requirements, print various figures or word.
7, packing: finished product is used separately to the heat shrinkage film plastic packaging one by one.
Claims (6)
1. food stage silica gel is baked the production technology of pad, be included in gluing on the alkali-free glass fiber woven cloths, thermal finalization and cutting step, adopt the mixed glue solution formed by A glue, B glue and solvent naphtha while it is characterized in that gluing, the mixture that described A glue is comprised of polysiloxanes, aerosil and platinum complex compound, B glue is platinum, and solvent naphtha is food stage silicon rubber solvent; The mixed material feeding mass ratio of A glue, B glue and solvent naphtha is 100 ︰ 2 ︰ 40.
2. the production technology of the roasting pad of food stage silica gel according to claim 1, after the mixed glue solution pump-down process that it is characterized in that being formed by A glue, B glue and solvent naphtha for gluing.
3. according to the roasting production technology padded of the described food stage silica gel of claim 1 or 2, it is characterized in that carrying out at twice gluing, in gluing for the first time, after the oven of 130～200 ℃, then carry out gluing for the second time, after the oven of 130～200 ℃, carry out thermal finalization again.
4. the production technology that food stage silica gel is baked pad according to claim 1, it is characterized in that carrying out bound edge after cutting, edge-wrapping adhesive is comprised of A glue, B glue, solvent naphtha and food coloring, and the mixing quality ratio of A glue, B glue, solvent naphtha and food coloring is 100 ︰ 2 ︰ 20 ︰ 1.
5. the production technology that food stage silica gel is baked pad according to claim 4, after it is characterized in that every limit of the silica gel cloth sheet after cutting is placed in to edge-wrapping adhesive and is stained with glue, with clamping device, clamp, sending into drying tunnel length is 10～100 meters, in the baking oven that temperature is 30～200 ℃, speed with 1～10 m/min is at the uniform velocity advanced, until dry.
6. the production technology that food stage silica gel is baked pad according to claim 1, is characterized in that solvent naphtha is No. 6 solvent naphthas of food stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310313517 CN103444810A (en) | 2013-07-25 | 2013-07-25 | Production process of food grade silicone baking mat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310313517 CN103444810A (en) | 2013-07-25 | 2013-07-25 | Production process of food grade silicone baking mat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103444810A true CN103444810A (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310313517 Pending CN103444810A (en) | 2013-07-25 | 2013-07-25 | Production process of food grade silicone baking mat |
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| Country | Link |
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| CN (1) | CN103444810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109390A (en) * | 2014-06-19 | 2014-10-22 | 滁州天成有机硅高分子材料有限公司 | Food-contacting silicone rubber compound |
| CN106349712A (en) * | 2016-10-11 | 2017-01-25 | 娄敬涛 | Composition and preparation method of food-grade silicone |
-
2013
- 2013-07-25 CN CN 201310313517 patent/CN103444810A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109390A (en) * | 2014-06-19 | 2014-10-22 | 滁州天成有机硅高分子材料有限公司 | Food-contacting silicone rubber compound |
| CN106349712A (en) * | 2016-10-11 | 2017-01-25 | 娄敬涛 | Composition and preparation method of food-grade silicone |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131218 |