CN102277939B - Reinforced fibre decorative plate and method for manufacturing same - Google Patents
Reinforced fibre decorative plate and method for manufacturing same Download PDFInfo
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- CN102277939B CN102277939B CN 201110134891 CN201110134891A CN102277939B CN 102277939 B CN102277939 B CN 102277939B CN 201110134891 CN201110134891 CN 201110134891 CN 201110134891 A CN201110134891 A CN 201110134891A CN 102277939 B CN102277939 B CN 102277939B
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Abstract
The invention relates to a reinforced fibre decorative plate and a method for manufacturing the same. The reinforced fibre decorative plate is a four-layer composite plate composed of a surface material, thermosetting foamed plastics, reinforced fibres and thermosetting foamed plastics, wherein the thermosetting foamed plastics are waste styrene-acrylonitrile copolymer foamed plastics; fibre reinforcement refers to performing surface pre-treatment on fibres for 30-50 minutes by means of hot water at 50-80 DEG C and then using the fibres after drying, or performing surface modification by soaking the fibres in N,N-dimethylacetylamide for 30-60 seconds and using the fibres after the excessive N,N-dimethylacetylamide on the surfaces of the fibres completely volatilizes. In the preparation process of the decorative plate related to the invention, double physical reinforcement is performed on the styrene-acrylonitrile copolymer by completely utilizing the fibres and the surface material without using a binder and without a solvent and formaldehyde, so that the production process is greatly simplified, the production cost is reduced, and the resource consumption is reduced. The prepared plate is high in strength, good in stability, high in non-deformability, high in evenness, excellent in humidity resistance, good in nail-holding ability, resistant to corrosion, etc.
Description
Technical field
The present invention relates to a kind of fiber reinforcement dalle sheet material and preparation method thereof.Be sheet material as the manufacturing of indoor and outdoor finishings and some furniture and preparation method thereof specifically.
Background technology
Along with the raising of people's living standard, the demand of dalle is also become rich and varied, not only require modish fashion, elegant in appearance, succinct naturally, safety durable, and the aspects such as nontoxic, environmental protection of sheet material are had higher requirement.In the market common dalle all more or less contain hazardous substances, especially ornament materials use amount such as a certain amount of formaldehyde when big, its hazardous substances that discharges has jointly just seriously surpassed the GB requirement, people's health in serious threat.
Dalle on the market also has comparatively environmental protection, as wood chip composite plate, wooden composite board and medium density fiberboard etc.But these sawdust boards, wooden composite board and medium density fiberboard all are to be primary raw material with wood chip or plank, need a large amount of timber, not only cost of production is higher, and because felling timber can damage these wood-based planets distortion that is easy to make moist simultaneously to ecological environment.
Summary of the invention
The weak point that to the effect that solves existing dalle of the present invention, and a kind of waterproof and dampproof, formaldehydeless, stability and the good health environment-friendly dalle of suitability for secondary processing are provided.And the present invention not only cost of production low, can avoid ecological environment is damaged, and solved the recycling problem of thermosetting styrene-acrylonitrile copolymer discarded object.
A kind of fortifying fibre dalle of the present invention, four layers of composite plate that it is made up of musculus cutaneus material, thermosetting foam plastics, fortifying fibre, thermosetting foam plastics; Thermosetting foam plastics is discarded SAN foamed plastics; Fiber reinforcement is to use 50-80 ℃ hot water that fiber is carried out surface preparation 30-50min and oven dry is used; Perhaps use nitrogen nitrogen dimethyl acetyl that fiber is soaked 30-60s and show modification, unnecessary nitrogen nitrogen dimethyl acetyl is evaporated completely the back use to treat fiber surface.
The manufacture method of fortifying fibre dalle of the present invention, step is as follows:
1) discarded SAN foamed plastic waste is cleaned up; SAN foamed plastics after cleaning is ground to form 20-100 purpose powder;
2) raw materials weighing powder, 100-170 ℃ of following preheating, the time is 10-30min;
3) lay one deck facing reinforcing material in mould, the raw material that preheating is good is put into the hot press mould, and evenly lays one deck in the raw material middle part and carried out showing pretreated fortifying fibre, also lays one deck facing reinforcing material in ingredient upper surface; The mass percent of thermosetting foam plastics discarded object and natural fiber and musculus cutaneus material is 80-95: 5-10: 1-5;
4) be 5-20MPa at pressure, temperature is 140-200 ℃, and the time is hot-forming under the condition of 5-30min.
Sheet material after the step 4) moulding is carried out low-temperature shaped, wherein pressure is 5-20MPa, and temperature is 20-80 ℃, and the time is 15-30mm.
Step 1) is cut into the 0.5-2cm that is easy to grind with discarded SAN foamed plastic waste
3Bulk, be ground into 20-100 purpose powder then.
Used facing reinforcing material can be kraft, embossed paper, cover paper, art paper, magazine paper or U.S. line paper etc.
Used fortifying fibre is natural tossa, natural flax fiber, natural remie fiber.
The SAN foamed plastic waste that described thermosetting foam plastics discarded object is any monomer molar.
The material powder that the present invention uses mainly utilizes thermosetting styrene-acrylonitrile copolymer foamed plastic waste powder, in implementation step 2, preheating and drying temperature to original powder is unsuitable too high or too low, too highly will make original carbonization and cracking, cross the low intensity that then can't realize original finish-drying is influenced the gained dalle, preheating time also should be moderate, through probing into 100-170 ℃ of following preheating 10-30min religion to suitable; Musculus cutaneus reinforcing material in the implementation step 3 can be adjusted according to actual needs; Fiber in the implementation step 3 should evenly be layed in the material middle part, in order to avoid the performance of gained sheet material is inhomogeneous, local strength is low excessively.
Be realization environmental protection truly among the present invention, utilizing fiber and finish material that styrene-propene eyeball copolymer body is carried out dual physics in the preparation process of dalle fully strengthens, do not use adhesive, solvent-free formaldehydeless, greatly simplify production technology, reduced cost of production, reduced resource consumption.It is strong that prepared sheet material has an intensity height, good stability, non-deformability, planeness height, performance such as humidity resistance is superior, and nail-holding ability is strong, corrosion-resistant.
Figure of description
Fig. 1 natural fiber and facing strengthen thermosetting foam plastics castoff regenerative composite board schematic diagram;
Wherein: 1 is that thermosetting foam plastics, 2 is that fortifying fibre, 3 is the musculus cutaneus material.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with specific embodiment.
Embodiment 1:
(1) styrene-propene eyeball copolymer foamed plastic waste is cleaned up, be ground into 20-100 purpose powder then.
(2) take by weighing (1) middle styrene-propene eyeball copolymer foamed plastic waste powder 38.25kg at 100 ℃ of following preheating 30min.
(3) preheating is good raw material is put into the hot press mould, and evenly lays the 6.75kg fortifying fibre in the raw material middle part, lays one deck kraft musculus cutaneus in ingredient upper surface then.
(4) hot-forming, pressure is 20MPa, and temperature is 200 ℃, and the time is 30min.
(5) sheet material of preparation is sawed limit, sanding, make standard-sized finished product sheet material.
Wherein styrene-propene eyeball copolymer foamed plastic waste powder is 20-100 order powder, and used fortifying fibre is natural tossa, and tossa is used dry for standby behind 50 ℃ the hot-water soak 50min in advance, and the jute flaxen fiber is arranged along long limit in the model middle level.The gained panel density is 1000kg/m
3Sheet material, water absorption rate 4.30%, shock strength 23.16kJ/m
2, compressive strength 51.34MPa, flexural strength 41.95MPa.
Embodiment 2:
(1) styrene-propene eyeball copolymer foamed plastic waste is cleaned up, be cut into 0.5-2cm then
3Bulk, block is ground to form 20-100 purpose powder.
(2) take by weighing (1) middle styrene-propene eyeball copolymer foamed plastic waste powder 38.25kg at 100 ℃ of following preheating 30min.
(3) preheating is good raw material is put into the hot press mould, and evenly lays the 6.75kg fortifying fibre in the raw material middle part, lays one deck kraft musculus cutaneus in ingredient upper surface then.
(4) hot-forming, pressure is 20MPa, and temperature is 200 ℃, and the time is 30min.
(5) low-temperature shaped, pressure is 20MPa, and temperature is 80 ℃, and the time is 15min.
(6) sheet material of preparation is sawed limit, sanding, make standard-sized finished product sheet material.
Wherein styrene-propene eyeball copolymer foamed plastic waste powder is 20-100 order powder, and used fortifying fibre is natural tossa, and tossa is used dry for standby behind 50 ℃ the hot-water soak 50min in advance, and the jute flaxen fiber is arranged along long limit in the model middle level.The gained panel density is 1000kg/m
3Sheet material, water absorption rate 4.32%, shock strength 25.13kJ/m
2, compressive strength 52.84MPa, flexural strength 43.25MPa.
Embodiment 3:
(1) styrene-propene eyeball copolymer foamed plastic waste is cleaned up, be cut into 0.5-2cm then
3Bulk, block is ground to form 20-100 purpose powder.
(2) take by weighing (1) middle styrene-propene eyeball copolymer foamed plastic waste powder 38.25kg at 150 ℃ of following preheating 15min.
(3) lay one deck cover paper musculus cutaneus in mould, the raw material that preheating is good is put into the hot press mould, and evenly lays the 6.75kg fortifying fibre in the raw material middle part, also lays one deck cover paper musculus cutaneus in ingredient upper surface then.
(4) hot-forming, pressure is 15MPa, and temperature is 180 ℃, and the time is 15min.
(5) low-temperature shaped, pressure is 10MPa, and temperature is 50 ℃, and the time is 10min.
(6) sheet material of preparation is sawed limit, sanding, make standard-sized finished product sheet material.
Wherein styrene-propene eyeball copolymer foamed plastic waste powder is 20-100 order powder, and used fortifying fibre is natural tossa, and tossa is used dry for standby behind 60 ℃ the hot-water soak 40min in advance, and tossa is arranged along long limit in the model middle level.The gained panel density is 1000kg/m
3Sheet material, water absorption rate 3.94%, shock strength 26.35kJ/m
2, compressive strength 51.06MPa, flexural strength 45.48MPa.
Embodiment 4:
(1) styrene-propene eyeball copolymer foamed plastic waste is cleaned up, be cut into 0.5-2cm then
3Bulk, block is ground to form 20-100 purpose powder.
(2) take by weighing (1) middle styrene-propene eyeball copolymer foamed plastic waste powder 40.5kg at 150 ℃ of following preheating 10min.
(3) lay one deck cover paper musculus cutaneus in mould, the raw material that preheating is good is put into the hot press mould, and evenly lays the 4.5kg fortifying fibre in the raw material middle part, also lays one deck cover paper musculus cutaneus in ingredient upper surface then.
(4) hot-forming, pressure is 15MPa, and temperature is 180 ℃, and the time is 10min.
(5) low-temperature shaped, pressure is 10MPa, and temperature is 50 ℃, and the time is 10min.
(6) sheet material of preparation is sawed limit, sanding, make standard-sized finished product sheet material.
Wherein styrene-propene eyeball copolymer foamed plastic waste powder is 20-100 order powder, and used fortifying fibre is natural tossa, and tossa is used dry for standby behind 80 ℃ the hot-water soak 30min in advance, and the jute flaxen fiber is arranged along long limit in the model middle level.The gained panel density is 1000kg/m
3Sheet material, water absorption rate 1.32%, shock strength 35.62kJ/m
2, compressive strength 65.59MPa, flexural strength 40.32MPa.
Embodiment 5:
(1) styrene-propene eyeball copolymer foamed plastic waste is cleaned up, be cut into 0.5-2cm then
3Bulk, block is ground to form 20-100 purpose powder.
(2) take by weighing (1) middle styrene-propene eyeball copolymer foamed plastic waste powder 42.25kg at 170 ℃ of following preheating 10min.
(3) lay one deck embossed paper musculus cutaneus in mould, the raw material that preheating is good is put into the hot press mould, and evenly lays the 2.25kg fortifying fibre in the raw material middle part, also lays one deck embossed paper musculus cutaneus in ingredient upper surface then.
(4) hot-forming, pressure is 10MPa, and temperature is 140 ℃, and the time is 10min.
(5) low-temperature shaped, pressure is 5MPa, and temperature is 30 ℃, and the time is 30min.
(6) sheet material of preparation is sawed limit, sanding, make standard-sized finished product sheet material.
Wherein styrene-propene eyeball copolymer foamed plastic waste powder is 20-100 order powder, used fortifying fibre is natural remie fiber, ramee soaks 30s with DMAC in advance, treats that its surperficial DMAC volatilization is standby after doing, and ramee is arranged along long limit in the model middle level.The gained panel density is 1000kg/m
3Sheet material, water absorption rate 3.02%, shock strength 22.31kJ/m
2, compressive strength 58.32MPa, flexural strength 41.65MPa.
Embodiment 6:
(1) styrene-propene eyeball copolymer foamed plastic waste is cleaned up, be cut into 0.5-2cm then
3Bulk, block is ground to form 20-100 purpose powder.
(2) take by weighing (1) middle styrene-propene eyeball copolymer foamed plastic waste powder 42.25kg at 170 ℃ of following preheating 20min.
(3) lay layer of copper version paper skin in mould, the raw material that preheating is good is put into the hot press mould, and evenly lays the 2.25kg fortifying fibre in the raw material middle part, also lays one deck copperplate paper skin in ingredient upper surface then.
(4) hot-forming, pressure is 5MPa, and temperature is 150 ℃, and the time is 5min.
(5) low-temperature shaped, pressure is 5MPa, and temperature is 20 ℃, and the time is 15min.
(6) sheet material of preparation is sawed limit, sanding, make standard-sized finished product sheet material.
Wherein styrene-propene eyeball copolymer foamed plastic waste powder is 20-100 order powder, used fortifying fibre is natural flax fiber, flax fiber soaks 40s with DMAC in advance, treats that its surperficial DMAC volatilization is standby after doing, and flax fiber is arranged along long limit in the model middle level.The gained panel density is 1000kg/m
3Sheet material, water absorption rate 0.21%, shock strength 30.26kJ/m
2, compressive strength 69.86MPa, flexural strength 35.86MPa.
Embodiment 7:
(1) styrene-propene eyeball copolymer foamed plastic waste is cleaned up, be cut into 0.5-2cm then
3Bulk, block is ground to form 20-100 purpose powder.
(2) take by weighing (1) middle styrene-propene eyeball copolymer foamed plastic waste powder 42.25kg at 170 ℃ of following preheating 20min.
(3) lay layer of copper version paper skin in mould, the raw material that preheating is good is put into the hot press mould, and evenly lays the 2.25kg fortifying fibre in the raw material middle part, also lays one deck copperplate paper skin in ingredient upper surface then.
(4) hot-forming, pressure is 5MPa, and temperature is 150 ℃, and the time is 5min.
(5) low-temperature shaped, pressure is 5MPa, and temperature is 20 ℃, and the time is 15min.
(6) sheet material of preparation is sawed limit, sanding, make standard-sized finished product sheet material.
Wherein styrene-propene eyeball copolymer foamed plastic waste powder is 20-100 order powder, used fortifying fibre is natural flax fiber, flax fiber soaks 60s with DMAC in advance, treats that its surperficial DMAC volatilization is standby after doing, and flax fiber is arranged along long limit in the model middle level.The gained panel density is 1000kg/m
3Sheet material, water absorption rate 0.15%, shock strength 35.32kJ/m
2, compressive strength 69.58MPa, flexural strength 56.69MPa.
More than the present invention has been done exemplary description; should be noted that; under the situation that does not break away from core of the present invention, the replacement that is equal to that any simple distortion, modification or other those skilled in the art can not spend creative work all falls into protection scope of the present invention.
Claims (6)
1. a fortifying fibre dalle is characterized in that four layers of composite plate that it is made up of musculus cutaneus material, thermosetting foam plastics, fortifying fibre, thermosetting foam plastics; Thermosetting foam plastics is discarded SAN foamed plastics; Fiber reinforcement is to use 50-80 ℃ hot water that fiber is carried out surface preparation 30-50min and oven dry is used; Perhaps use nitrogen nitrogen dimethyl acetyl that fiber is soaked 30-60s and carry out surface modification, unnecessary nitrogen nitrogen dimethyl acetyl is evaporated completely the back use to treat fiber surface.
2. the manufacture method of the fortifying fibre dalle of claim 1 is characterized in that step is as follows:
1) discarded SAN foamed plastic waste is cleaned up; SAN foamed plastics after cleaning is ground to form 20-100 purpose powder;
2) raw materials weighing powder, 100-170 ℃ of following preheating, the time is 10-30min;
3) lay one deck facing reinforcing material in mould, the raw material that preheating is good is put into the hot press mould, and evenly lays the fortifying fibre that one deck carried out surface preparation in the raw material middle part, also lays one deck facing reinforcing material in ingredient upper surface; The mass percent of thermosetting foam plastics discarded object and natural fiber and musculus cutaneus material is 80-95:5-10:1-5;
4) be 5-20MPa at pressure, temperature is 140-200 ℃, and the time is hot-forming under the condition of 5-30min.
3. method as claimed in claim 2 is characterized in that the sheet material after the step 4) moulding is carried out low-temperature shaped, and wherein pressure is 5-20MPa, and temperature is 20-80 ℃, and the time is 15-30min.
4. method as claimed in claim 2 is characterized in that step 1) is cut into the 0.5-2cm that is easy to grind with discarded SAN foamed plastic waste
3Bulk, be ground into 20-100 purpose powder then.
5. method as claimed in claim 2 is characterized in that facing reinforcing material used in the step 4) can be kraft, art paper or U.S. line paper.
6. method as claimed in claim 2 is characterized in that used fortifying fibre is natural tossa, natural flax fiber, natural remie fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110134891 CN102277939B (en) | 2011-05-23 | 2011-05-23 | Reinforced fibre decorative plate and method for manufacturing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110134891 CN102277939B (en) | 2011-05-23 | 2011-05-23 | Reinforced fibre decorative plate and method for manufacturing same |
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| CN102277939A CN102277939A (en) | 2011-12-14 |
| CN102277939B true CN102277939B (en) | 2013-07-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107415268B (en) * | 2017-08-09 | 2020-05-15 | 福建海源新材料科技有限公司 | LFT-D building template secondary forming process |
| CN107813485B (en) * | 2017-11-01 | 2020-08-04 | 郑州峰泰纳米材料有限公司 | Melamine foam and fiber blending preparation process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092424U (en) * | 1991-04-03 | 1992-01-08 | 孙仁寿 | Formed layered boards having heat insolation and sound adsorption function |
| CN2525139Y (en) * | 2001-10-29 | 2002-12-11 | 韩计州 | Prefabricated composite thermal insulation board |
| CN2530801Y (en) * | 2001-10-15 | 2003-01-15 | 王宝瑞 | Plastics foaming composite material |
| CN2885574Y (en) * | 2006-03-22 | 2007-04-04 | 曲直 | Polystyrene foam composite board |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2813752Y (en) * | 2005-06-14 | 2006-09-06 | 郭永红 | Thermal-keeping, heat insulating and fireproof composite board used for building roof slope and external wall elevation |
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2011
- 2011-05-23 CN CN 201110134891 patent/CN102277939B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2092424U (en) * | 1991-04-03 | 1992-01-08 | 孙仁寿 | Formed layered boards having heat insolation and sound adsorption function |
| CN2530801Y (en) * | 2001-10-15 | 2003-01-15 | 王宝瑞 | Plastics foaming composite material |
| CN2525139Y (en) * | 2001-10-29 | 2002-12-11 | 韩计州 | Prefabricated composite thermal insulation board |
| CN2885574Y (en) * | 2006-03-22 | 2007-04-04 | 曲直 | Polystyrene foam composite board |
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| CN102277939A (en) | 2011-12-14 |
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