CN102126418B - Glass fiber-reinforced polyurethane sun roof and production method thereof - Google Patents

Glass fiber-reinforced polyurethane sun roof and production method thereof Download PDF

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Publication number
CN102126418B
CN102126418B CN 201010607536 CN201010607536A CN102126418B CN 102126418 B CN102126418 B CN 102126418B CN 201010607536 CN201010607536 CN 201010607536 CN 201010607536 A CN201010607536 A CN 201010607536A CN 102126418 B CN102126418 B CN 102126418B
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polyurethane
layer
glass fiber
glass
sun roof
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CN102126418A (en
Inventor
宋协文
李光福
李海帆
孙明伟
林红霞
于兆汉
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Yantai Zheng Hai He Tai Science and Technology Co., Ltd.
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YANTAI ZHENGHAI AUTOMOTIVE INTERIOR CO Ltd
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Abstract

The invention discloses a glass fiber-reinforced polyurethane sun roof and a production method thereof. The production method is characterized by comprising the following steps of: laying materials according to an order of a nonwoven fabric layer, a glass fiber felt layer, a honeycomb paper layer and a glass fiber felt layer neatly; spraying polyurethane materials on front and back sides of the materials; feeding the materials sprayed with the polyurethane materials into a mold; reacting under the action of the temperature and the pressure of the mold to bond the materials into a whole by the polyurethane materials so as to produce a polyurethane product. The structure of the polyurethane product is that: an upper glass fiber-reinforced polyurethane layer (1) and a lower glass fiber-reinforced polyurethane layer (2) are positioned above and below the honeycomb paper layer (3) respectively; and a nonwoven fabric-reinforced polyurethane layer (4) is positioned below the lower glass fiber-reinforced polyurethane layer (2), and also can be positioned above the upper glass fiber-reinforced polyurethane layer (1). By the polyurethane sun roof produced by the method of adding the nonwoven fabric layer besides the glass fiber felt layer, the radian of the product can be changed, so that the radian of the product meets requirements, cost is saved and the quality of the product is improved simultaneously.

Description

Polyurethane sun roof and production method thereof that a kind of glass strengthens
Technical field:
The present invention relates to the polyurethane products technical field, is the polyurethane sun roof that a kind of glass strengthens specifically.
Background technology:
The glass fiber reinforced polyurethane product is widely used in the automotive trim field.The sandwich glass fiber reinforced polyurethane product of honeycomb paper is a kind of new technology of occurring of in recent years beginning, the upper and lower surface of product is the glass fiber reinforced polyurethane layer, the centre is honeycomb paper, and the glass fiber reinforced polyurethane material that this honeycomb paper is sandwich has obtained increasing application because have the advantages such as intensity is high, lightweight, dimensionally stable in automotive trim fields such as dormer window sunshading board, spare tire cover plates.
Because the reason such as material, production technology, the product radian of producing is not consistent with the radian of mould; Because glass fiber reinforced polyurethane belongs to thermosets, these defective products that cause because of the radian problem can't be repaired, and are a kind of huge wastes.Cause the reason of radian difference to have a lot, have some to be because random reason causes, cause the radian distribution of product very wide, some ratio design loads are large, and some ratio design loads are little, and the difference of this radian is difficult to eliminate; Also having in addition some is because some specific reasons causes, the camber ratio design load of product (mould radian) is overall less than normal or totally bigger than normal, in this case, can adopt the method (changing the radian of mould) of again making mould to reduce defective products, wasting time and energy but again make mould, is not ideal method.
Summary of the invention:
The objective of the invention is to overcome the deficiency of above-mentioned prior art, and the polyurethane sun roof that provides a kind of glass to strengthen.
Another object of the present invention provides a kind of production method of polyurethane sun roof of glass enhancing.
The present invention mainly solves polyurethane products radian and the discrepant problem of mould that existing method is produced.
In order to achieve the above object, the present invention is achieved in that the polyurethane sun roof that a kind of glass strengthens, it comprises the honeycomb ply of paper, the honeycomb ply of paper establish respectively up and down glass fiber reinforced polyurethane layer and lower glass fiber reinforced polyurethane layer, its special character be under the lower glass fiber reinforced polyurethane layer or on establish nonwoven on the glass fiber reinforced polyurethane layer and strengthen layer of polyurethane.
The production method of the polyurethane sun roof that a kind of glass of the present invention strengthens, its special character is that it comprises following processing step, with material according to nonwoven layer, the glass carpet veneer, the honeycomb ply of paper, the glass carpet veneer from top to bottom or order lay from top to bottom neat, at the positive and negative of material spraying polyurethane material all, the material that sprayed polyurethane material is sent in the mould, technique is reacted under the temperature and pressure effect of mould routinely, make the polyurethane sun roof that glass strengthens, make to form outside the glass fiber reinforced polyurethane layer of product that one deck contains nonwoven and the layer of polyurethane that do not contain glass.The material of this nonwoven can be the organic synthetic fibers materials such as PET, PP, and these materials and polyurethanes seemingly have the advantages that intensity is low, shrinkage factor is high.
After the polyurethane sun roof that glass of the present invention strengthens takes out from the higher mould of temperature, temperature is reduced to room temperature gradually, in this process, this layer do not have the polyurethane shrinkage factor of nonwoven layer of polyurethane of Chopped Strand Mat higher, make product because internal stress deforms, thereby reach the radian that needs.
Compared with the prior art polyurethane sun roof and production method thereof that a kind of glass of the present invention strengthens have outstanding substantive distinguishing features and marked improvement: the polyurethane products that 1, adopting increases nonwoven layer outside the glass carpet veneer method is produced, can change the radian of polyurethane products, the radian of product is met the requirements; 2, the joint medicine again make the cost of mould, saved the labour, improved simultaneously the quality of product.
Description of drawings:
Shape schematic diagram when Fig. 1 is product depanning of the present invention;
Fig. 2 is the cooled shape schematic diagram of product of the present invention.
The specific embodiment:
For Comprehension and Implementation better, provide concrete reference examples and embodiment describes the present invention in detail below in conjunction with accompanying drawing.
Reference examples, the polyurethane sun roof that a kind of glass strengthens, length 700mm, width 400mm, thickness 7mm, product is cylinder, and the radius of curvature on the length direction is 10,000mm; Adopt two-layer 300g/m 2The honeycomb paper of glass carpet veneer folder a layer thickness 7mm, the spraying density of the polyurethane material on two surfaces all is 400g/m 2, the concave surface of mould is (die is as counterdie) up, 120 ℃ of mould temperature, and pressurize 2 minutes, the product radian of producing can be lower than design load; The product concave surface is placed on the plane down, measures the center of forward edge of its lower surface to the distance on plane, theoretical value is 6mm, and in fact maximum reaches 7.5mm, and minimum of a value reaches 3.2mm, and mean value is at 5mm.
Embodiment 1, referring to Fig. 1,2, and with product in the reference examples, the polyurethane sun roof that a kind of glass strengthens, length 700mm, width 400mm, thickness 7mm, product is cylinder, and the radius of curvature on the length direction is 10,000mm; Material is neat according to the order lay that is followed successively by from top to bottom nonwoven layer, glass carpet veneer, honeycomb ply of paper, glass carpet veneer, and two-layer glass carpet veneer is 300g/m 2, honeycomb paper bed thickness 7mm, nonwoven are 60g/m 2PET, at the positive and negative of material spraying polyurethane material all, the spraying density of the polyurethane material on two surfaces all is 400g/m 2, the material that sprayed polyurethane material is sent in the mould, the concave surface of mould keeps nonwoven layer to put into mould on glass up, 120 ℃ of mould temperature, polyurethane products are made in pressurize 2 minutes; Its structure be honeycomb ply of paper 3 be respectively up and down upper glass fiber reinforced polyurethane layer 1 and lower glass fiber reinforced polyurethane layer 2, lower glass fiber reinforced polyurethane layer is for 2 times that nonwoven strengthens layer of polyurethane 4.
According to the measuring method in the reference examples, measure the product that embodiment 1 produces, the radian maximum is 8mm, and minimum of a value is 4.3mm, and mean value is at 6.1mm.
Embodiment 2, and referring to Fig. 1,2, with embodiment 1, difference is that material is neat according to the order lay that is followed successively by from top to bottom glass carpet veneer, honeycomb ply of paper, glass carpet veneer, nonwoven layer, and nonwoven layer is 100g/m 2PP, after material surface spraying polyurethane material, keep nonwoven layer on the glass carpet veneer, to put into mould, 120 ℃ of mould temperature, pressurize 2 minutes, taking-up product; Its structure be honeycomb ply of paper 3 be respectively up and down upper glass fiber reinforced polyurethane layer 1 and lower glass fiber reinforced polyurethane layer 2, be that nonwoven strengthens layer of polyurethane 4 on the upper glass fiber reinforced polyurethane layer 1.
According to the measuring method in the reference examples, measure the product that embodiment 1 produces, the radian maximum is 8.6mm, and minimum of a value is 4.9mm, and mean value is at 6.6mm.
Contrast by above-mentioned reference examples and embodiment 1 and 2 as can be known, employing increases the way of nonwoven layer outside the glass carpet veneer, can change the radian of polyurethane products, in the undesirable situation of the product radian of directly producing with glass carpet veneer and honeycomb ply of paper, can by outside the glass carpet veneer, increasing the layer of non-woven fabric layer, the radian of product be met the requirements.

Claims (3)

1. the polyurethane sun roof that strengthens of a glass, it comprises honeycomb ply of paper (3), honeycomb ply of paper (3) establish respectively up and down upper glass fiber reinforced polyurethane layer (1) and lower glass fiber reinforced polyurethane layer (2), it is characterized in that under the lower glass fiber reinforced polyurethane layer (2) or establishing nonwoven on the upper glass fiber reinforced polyurethane layer (1) and strengthen layer of polyurethane (4); Material is neat according to the order lay of nonwoven layer, glass carpet veneer, honeycomb ply of paper, glass carpet veneer, at the positive and negative of material spraying polyurethane material all, the material that sprayed polyurethane material is sent in the mould, under the temperature and pressure effect of mould, polyurethane material becomes a polyurethane sun roof overall, that the formation glass strengthens to various material bindings through reaction.
2. the production method of the polyurethane sun roof that strengthens of a kind of glass claimed in claim 1, it is characterized in that it comprises following processing step, material is neat according to the order lay of nonwoven layer, glass carpet veneer, honeycomb ply of paper, glass carpet veneer, at the positive and negative of material spraying polyurethane material all, the material that sprayed polyurethane material is sent in the mould, under the temperature and pressure effect of mould, polyurethane material becomes one to various material bindings totally through reaction, makes the polyurethane sun roof that glass strengthens.
3. the production method of the polyurethane sun roof that strengthens of a kind of glass according to claim 2, the material that it is characterized in that described nonwoven layer is PET or PP.
CN 201010607536 2010-12-16 2010-12-16 Glass fiber-reinforced polyurethane sun roof and production method thereof Active CN102126418B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102416715A (en) * 2011-09-10 2012-04-18 无锡吉兴汽车部件有限公司 Production method of automobile skylight slide plate made of paper honeycomb-shape core material
CN102673486A (en) * 2012-05-26 2012-09-19 无锡吉兴汽车声学部件科技有限公司 Method for producing automotive rear shelf by using fiberglass reinforcing honeycomb paper core as base materials
CN103434139B (en) * 2013-08-22 2015-12-23 烟台正海合泰科技股份有限公司 A kind of production method of polyurethane coating product and special purpose device thereof
CN105563989A (en) * 2014-10-10 2016-05-11 盈傑木业有限公司 Manufacturing method of decorative plate
CN106476330A (en) * 2016-09-29 2017-03-08 株洲时代新材料科技股份有限公司 A kind of rail vehicle aramid fiber honeycomb side top board and preparation method thereof

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CN101407168A (en) * 2008-09-28 2009-04-15 烟台正海兴源汽车内饰件有限公司 Passenger car skylight sunshading board and production process thereof
CN101670811A (en) * 2009-08-07 2010-03-17 烟台正海汽车内饰件有限公司 Production method of inner decorative ceiling of car
CN201446929U (en) * 2009-08-07 2010-05-05 烟台正海汽车内饰件有限公司 Automobile interior trim ceiling
CN201922596U (en) * 2010-12-16 2011-08-10 烟台正海汽车内饰件有限公司 Polyurethane sunshade board with reinforced glass fiber for scuttle

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KR100592681B1 (en) * 2004-09-10 2006-06-26 주식회사 세운켐텍 Sunshade of sunroof for automobile and its manufacturing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101407168A (en) * 2008-09-28 2009-04-15 烟台正海兴源汽车内饰件有限公司 Passenger car skylight sunshading board and production process thereof
CN101670811A (en) * 2009-08-07 2010-03-17 烟台正海汽车内饰件有限公司 Production method of inner decorative ceiling of car
CN201446929U (en) * 2009-08-07 2010-05-05 烟台正海汽车内饰件有限公司 Automobile interior trim ceiling
CN201922596U (en) * 2010-12-16 2011-08-10 烟台正海汽车内饰件有限公司 Polyurethane sunshade board with reinforced glass fiber for scuttle

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Address after: 265500 Shandong province Yantai Fushan High-tech Zone Xiangfu Street No. 57

Patentee after: Yantai Zheng Hai He Tai Science and Technology Co., Ltd.

Address before: 265500 Shandong province Yantai Fushan High-tech Zone Xiangfu Street No. 57

Patentee before: Yantai Zhenghai Automotive Interior Co., Ltd.

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Owner name: YANTAI ZHENGHAI HETAI TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: YANTAI ZHENGHAI AUTOMOTIVE INTERIOR CO., LTD.