CN209813285U - Continuously-formed segmented-cured high-gloss-surface glass fiber reinforced plastic veneer board - Google Patents
Continuously-formed segmented-cured high-gloss-surface glass fiber reinforced plastic veneer board Download PDFInfo
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- CN209813285U CN209813285U CN201920394613.6U CN201920394613U CN209813285U CN 209813285 U CN209813285 U CN 209813285U CN 201920394613 U CN201920394613 U CN 201920394613U CN 209813285 U CN209813285 U CN 209813285U
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Abstract
The utility model belongs to the technical field of the glass steel, a continuous molding segmentation solidification high gloss face glass steel gel coat board is provided, including gel coat layer, surface bed course, glass fiber enhancement layer and back balance layer, the surface bed course glues and covers on the gel coat layer, and the glass fiber enhancement layer glues and covers on the surface bed course, back balance layer glues and covers on the glass fiber enhancement layer. The utility model adopts the continuous plate-making process to solidify gel coating layer, surface cushion layer, glass fiber reinforced layer and back balance layer in three steps, so that the gel coating layer and the adhesive resin are shrunk in three steps, thereby improving the overall shrinkage of the resin, reducing the phenomenon of exposing glass fiber form caused by one-time solidification shrinkage, improving the appearance decoration of the glass fiber reinforced plastic gel plate, and achieving a high-gloss surface similar to the metal processing roughness grade; and the buckling deformation caused by unbalanced resin content of each functional layer can be avoided, so that the quality requirements of high-end customers in the field of motor home plates and decorative plates can be met.
Description
Technical Field
The utility model belongs to the technical field of the glass steel, in particular to continuous molding segmentation solidification high gloss face glass steel rubber coated board.
Background
Glass Fiber Reinforced Plastics (FRP), also known as GFRP, fiber reinforced plastics, generally refer to unsaturated polyester, epoxy and phenolic resin matrices reinforced with glass fibers. The reinforced plastic using glass fiber or its product as reinforcing material is called glass fiber reinforced plastic or glass fiber reinforced plastic, and is different from toughened glass. The gel coat resin is a special resin in the unsaturated polyester resin industry, which is developed for improving glass fiber, enhancing the appearance quality of unsaturated polyester resin-based glass fiber reinforced plastic products and protecting the material of a structural layer from being corroded by external environment media, so the gel coat resin mainly plays a role in surface decoration of the glass fiber reinforced plastic products and protection of the structural layer.
At present, with the scale expansion of the motor home market and the decorative plate market, the requirement of high-end users on appearance quality is gradually increased. The existing glass fiber reinforced plastic rubber coating plate is easy to warp and deform due to unbalanced resin content of each functional layer, and the quality requirements of high-end customers in the fields of motor home plates and decorative plates cannot be met.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a continuous molding segmentation solidification high gloss face glass steel rubber coating board has good physical properties and high gloss face.
First aspect, the utility model provides a continuous molding segmentation solidification high gloss face glass steel gel coat board, including gel coat layer, surface bed course, glass fiber enhancement layer and back balance layer, the surface bed course glues and covers on the gel coat layer, the glass fiber enhancement layer glues and covers on the surface bed course, back balance layer glues and covers on the glass fiber enhancement layer.
Optionally, the surface cushion layer is a surfacing mat, a glass fiber mat, or a combination of surfacing mat and glass fiber mat.
Optionally, the glass fibre reinforced layer comprises any one or more of glass chopped strand mat, glass stitch-bonded mat, glass fibre scrim, basalt fibres and aramid fibres.
Optionally, the backside balancing layer is a surfacing mat.
Optionally, the face felt is 30g/m2、40g/m2Or 50g/m2One of standard glass fiber surface felt or polyester surface felt or 10g/m2、15g/m2、20g/m2、25g/m2And 30g/m2One of the carbon fiber surfacing mats of gauge.
Optionally, the adhesive coating material among the gel coat layer, the surface cushion layer, the glass fiber reinforced layer and the back balance layer is low-shrinkage unsaturated polyester resin.
In a second aspect, the utility model provides a preparation method of continuous molding segmentation solidification high gloss face glass steel rubber clothes board, including following step:
step S1, coating a gel coat layer on the technical film with the thickness of 150-;
step S2, performing first resin coating on the board processed by the step S1;
step S3, placing a surface cushion layer on the surface coated with the resin of the plate processed by the step S2;
step S4, the surface cushion layer of the plate processed in the step S3 is closely attached to liquid resin which is not solidified by gel, so that the resin freely wets the surface cushion layer, and air bubbles in the surface cushion layer are removed;
step S5, carrying out secondary drying and curing on the plate processed in the step S4;
step S6, performing secondary resin coating on the surface cushion coat of the plate processed by the step S5;
step S7, placing a glass fiber reinforced layer on the surface coated with the resin of the plate processed by the step S6;
step S8, placing a back balance layer on the glass fiber reinforced layer of the plate processed in the step S7;
step S9, the back balance layer of the plate processed in the step S8 is closely attached to liquid resin which is not solidified by gel, so that the resin freely soaks the back balance layer and the glass fiber reinforced layer and air bubbles in the back balance layer and the glass fiber reinforced layer are removed;
and S10, drying and curing the plate processed in the S9 for the third time to obtain a product.
Optionally, the temperature for the first drying and curing is 40-50 ℃, and the time is 10-12 min;
the temperature of the second drying and curing is 40-50 ℃, and the time is 10-12 min;
the temperature for the third drying and curing is 40-60 ℃, and the time is 20-30 min.
Optionally, the first resin coating employs a vinyl ester resin; the second resin coating adopts vinyl ester resin and heavy calcium carbonate or polyvinyl acetate, and the weight of the heavy calcium carbonate or the polyvinyl acetate is not more than 10% of the weight of the vinyl ester resin.
The third aspect, the utility model provides a continuous molding segmentation solidification high gloss face glass steel rubber coating board is in the application of car as a house board and decorative board.
The utility model discloses following technological effect has:
1. the utility model discloses an increase back balance layer on glass steel gel coat board, because gel coat layer and surface bed course all are rich resin layer, back balance layer also is rich resin layer, can form the relative symmetrical structure in the middle of the rich resin layer in both sides presss from both sides the glass fiber enhancement layer to can avoid because the warp that each functional layer resin content unbalance causes, with the demand of high-end customer to the quality such as satisfying car as a house board and decorative board field.
2. The utility model discloses a continuous system board technology will glue the clothing layer, surface bed course, glass fiber enhancement layer and back balance layer and divide three steps of gel solidification, make the clothing layer and glue and cover the resin and divide three steps of solidification shrink, reach on the basis that improves the whole contractility of resin, reduce the shrinkage of once curing again simultaneously and cause the exerted phenomenon of glass fiber form, improve glass steel rubber coating board outward appearance decorative, reach the high gloss face similar to metal processing roughness grade.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 shows a schematic structural diagram of a continuously formed and sectionally cured high-gloss surface glass fiber reinforced plastic plywood provided by a first embodiment of the invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Fig. 1 shows a schematic structural diagram of a continuously formed and sectionally cured high-gloss surface glass fiber reinforced plastic plywood provided by a first embodiment of the invention. Referring to fig. 1, the first embodiment of the present invention provides a continuous forming sectional curing high gloss surface glass fiber reinforced plastic gel coat plate, which comprises a gel coat layer 1, a surface cushion layer 2, a glass fiber reinforced layer 3 and a back balance layer 4, wherein the surface cushion layer is adhered on the gel coat layer, the glass fiber reinforced layer is adhered on the surface cushion layer, and the back balance layer is adhered on the glass fiber reinforced layer.
Wherein the surface cushion layer is a surface mat, a glass fiber mat or a combined layer formed by the surface mat and the glass fiber mat.
Wherein the glass fiber reinforced layer comprises any one or more of glass fiber chopped strand mats, glass fiber stitch-bonded mats, glass fiber plaid, basalt fibers and aramid fibers.
Wherein the back balance layer is a surface felt. The surface felt is 30g/m2、40g/m2Or 50g/m2One of standard glass fiber surface felt or polyester surface felt or 10g/m2、15g/m2、20g/m2、25g/m2And 30g/m2One of the carbon fiber surfacing mats of gauge.
Wherein the adhesive material among the gel coat layer, the surface cushion layer, the glass fiber reinforced layer and the back balance layer is low-shrinkage unsaturated polyester resin.
The second embodiment of the utility model provides a preparation method of continuous molding segmentation solidification high gloss face glass steel rubber clothes board, including following step:
step S1, coating a gel coat layer on the technical film with the thickness of 150-;
step S2, performing first resin coating on the gel coat layer of the plate processed in the step S1, wherein the first resin coating adopts vinyl ester resin;
step S3 of placing a surface cushion layer on the resin-coated side of the gel coat layer processed in step S2;
step S4, the surface cushion layer of the plate processed in the step S3 is closely attached to liquid resin which is not solidified by gel, so that the resin freely wets the surface cushion layer, and air bubbles in the surface cushion layer are removed;
placing the surface cushion layer on liquid resin which is not solidified by gel through an unreeling frame, and pulling the unreeling frame with set tension to move by the adhesive force of the resin with certain viscosity and the surface cushion layer under the traction of the process film; when the resin freely soaks the surface cushion layer, air in the surface cushion layer is simultaneously exhausted, and the air is forcibly exhausted by using the roller with the transverse grains or the longitudinal grains, so that the plate has fewer bubbles and is more compact.
S5, performing secondary drying and curing on the plate processed in the S4, wherein the temperature of the secondary drying and curing is 40-50 ℃, and the time is 10-12 min;
step S6, performing second resin coating on the surface cushion layer of the plate processed in the step S5, wherein the second resin coating adopts vinyl ester resin and coarse whiting or polyvinyl acetate, and the mass of the coarse whiting or the polyvinyl acetate is not more than 10% of that of the vinyl ester resin;
step S7, placing a glass fiber reinforced layer on the surface coated with the resin of the plate processed by the step S6;
step S8, placing a back balance layer on the glass fiber reinforced layer of the plate processed in the step S7;
step S9, the back balance layer of the plate processed in the step S8 is closely attached to liquid resin which is not solidified by gel, so that the resin freely soaks the back balance layer and the glass fiber reinforced layer and air bubbles in the back balance layer and the glass fiber reinforced layer are removed;
placing the plate on liquid resin which is not solidified by gel through an unreeling frame, and pulling the unreeling frame with set tension to move by the adhesive force of the resin with certain viscosity and the back balance layer under the traction of the process film; when the resin freely infiltrates the back balance layer and the glass fiber reinforced layer, air in each cushion layer of the plate is simultaneously exhausted, and the plate can have fewer bubbles and be more compact by forcibly exhausting air by using a roller with transverse grains or longitudinal grains.
And S10, carrying out third drying and curing on the plate processed in the S9 at the temperature of 40-60 ℃ for 20-30 min to obtain the product.
The utility model adopts the continuous plate-making process to solidify gel coating layer, surface cushion layer, glass fiber reinforced layer and back balance layer in three steps, so that the gel coating layer and the adhesive resin are shrunk in three steps, thereby improving the overall shrinkage of the resin, reducing the phenomenon of exposing glass fiber form caused by one-time solidification shrinkage, improving the appearance decoration of the glass fiber reinforced plastic gel plate, and achieving a high-gloss surface similar to the metal processing roughness grade; meanwhile, warping deformation caused by unbalanced resin content of each functional layer can be avoided, so that the requirements of high-end customers on quality in the field of motor home plates and decorative plates are met.
The utility model discloses the third embodiment provides the application of continuous molding segmentation solidification high gloss face glass steel rubber coating board at car as a house board and decorative board.
The utility model provides a following a plurality of concrete examples, the specific materials that use of each functional layer are seen in table 1.
TABLE 1
The parameters of the glass fiber reinforced plastic veneer boards in the above examples in the preparation process are shown in table 2.
TABLE 2
The glass fiber reinforced plastic rubber-coated board prepared in each example is subjected to related performance detection, and the detection results are shown in table 3.
TABLE 3
As can be seen from Table 3, the glass fiber reinforced plastic plywood prepared by the preparation method of the utility model has good tensile strength and bending strength.
Characterization according to surface roughness Ra: ra0.05-0.1 μm is high gloss surface.
The gloss is generally high at 80% or more.
The utility model also provides a comparative example, this comparative example is the glass steel gel coat board including gel coat layer, surface bed course and glass fiber reinforcement layer, and wherein, the gel coat layer is gel coat resin, and the surface bed course is 10g/m2The carbon fiber surface mat and the glass fiber thin mat, and the glass fiber reinforced layer is a glass fiber chopped strand mat.
And (3) detecting the related performance of the glass fiber reinforced plastic rubber coating plate prepared by the comparative example. Tensile strength of 49.8MPa, bending strength of 75.2MPa, roughness of 0.95 μm, and 20 ° gloss of 77.5%.
Meanwhile, the glass fiber reinforced plastic veneer prepared by the comparative example is subjected to bending detection, and the detection shows that the bending in the length direction is 2.0 mm/m.
Compared with the measurement results of the examples 1 to 6, the glass fiber reinforced plastic rubber-coated board prepared by the preparation method of the utility model has better performances.
Unless specifically stated otherwise, the numerical values set forth in these examples do not limit the scope of the present invention. In all examples shown and described herein, unless otherwise specified, any particular value should be construed as merely illustrative, and not restrictive, and thus other examples of example embodiments may have different values.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. The continuously-formed and sectionally-cured high-gloss glass fiber reinforced plastic veneer board is characterized by comprising a gel coat layer, a surface cushion layer, a glass fiber reinforced layer and a back balance layer, wherein the surface cushion layer is adhered on the gel coat layer, the glass fiber reinforced layer is adhered on the surface cushion layer, and the back balance layer is adhered on the glass fiber reinforced layer.
2. The continuous form, segmented cure, high gloss face glass fiber reinforced plastic veneer sheet of claim 1, wherein the surface mat is a face mat, a glass fiber mat, or a combination of a face mat and a glass fiber mat.
3. The continuously formed, segmented cured, high gloss face glass fiber reinforced plastic plywood of claim 1 wherein the glass fiber reinforcement layer comprises any one or more of glass chopped strand mat, glass stitch bonded mat, glass fiber scrim, basalt fibers, and aramid fibers.
4. The continuous form, segmented cure, high gloss face glass fiber reinforced plastic bushing as claimed in claim 2, wherein the back balancing layer is a face felt.
5. The continuous form, segmented cure, high gloss face glass fiber reinforced plastic bushing as claimed in claim 4, wherein the surfacing mat is 30g/m2、40g/m2Or 50g/m2One of standard glass fiber surface felt or polyester surface felt or 10g/m2、15g/m2、20g/m2、25g/m2And 30g/m2One of the carbon fiber surfacing mats of gauge.
6. The continuously molded segmented cured high gloss face glass fiber reinforced plastic gel coat panel of claim 1, wherein the bonding material between the gel coat layer, the surface cushion layer, the glass fiber reinforced layer and the back balance layer is a low shrinkage unsaturated polyester resin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394613.6U CN209813285U (en) | 2019-03-26 | 2019-03-26 | Continuously-formed segmented-cured high-gloss-surface glass fiber reinforced plastic veneer board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394613.6U CN209813285U (en) | 2019-03-26 | 2019-03-26 | Continuously-formed segmented-cured high-gloss-surface glass fiber reinforced plastic veneer board |
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| Publication Number | Publication Date |
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| CN209813285U true CN209813285U (en) | 2019-12-20 |
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| CN201920394613.6U Active CN209813285U (en) | 2019-03-26 | 2019-03-26 | Continuously-formed segmented-cured high-gloss-surface glass fiber reinforced plastic veneer board |
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