CN104210000B - A kind of anti-embrittlement processing method of windmill palm vine material - Google Patents
A kind of anti-embrittlement processing method of windmill palm vine material Download PDFInfo
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- CN104210000B CN104210000B CN201410461793.7A CN201410461793A CN104210000B CN 104210000 B CN104210000 B CN 104210000B CN 201410461793 A CN201410461793 A CN 201410461793A CN 104210000 B CN104210000 B CN 104210000B
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- 244000037614 Trachycarpus fortunei Species 0.000 title claims abstract 14
- 235000012950 rattan cane Nutrition 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 27
- 230000003750 conditioning effect Effects 0.000 claims abstract description 10
- 238000005470 impregnation Methods 0.000 claims abstract description 6
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- 238000000465 moulding Methods 0.000 claims abstract description 5
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- 230000008569 process Effects 0.000 claims description 20
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- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 11
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- 239000007788 liquid Substances 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 229920003063 hydroxymethyl cellulose Polymers 0.000 claims description 2
- 229940031574 hydroxymethyl cellulose Drugs 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 14
- 238000002360 preparation method Methods 0.000 abstract description 4
- 244000145591 rattan cane Species 0.000 description 44
- 244000060020 Chamaerops excelsa Species 0.000 description 23
- 238000012360 testing method Methods 0.000 description 18
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Abstract
The invention discloses the anti-embrittlement processing method of a kind of windmill palm vine material, step includes: windmill palm vine material first carries out conditioning, then impregnates in reagent, vacuum impregnation obtains the rattan material impregnated, the rattan material thermoplastic that will impregnate, and is again bent at required shape, finally heated dry, curing molding; The method of the invention makes windmill palm vine material density after bending and bending strength etc. all improve a lot, and solves cane furniture difficult problem of the easy embrittlement of kink in preparation and use procedure, extends the service life of cane furniture.
Description
Technical field
The present invention relates to a kind of cane furniture and process the technical field of technique, the in particular anti-embrittlement processing method of a kind of windmill palm vine material.
Background technology
Petiolus Trachycarpi Calamus Palmae, economize rattan subfamily, province rattan same clan plant, be important in Tropical forests treasure-house, there is multiduty, to be only second to timber and bamboo wood renewable non-timber resource, natural distributed is in gerontogeous torrid areas and adjacent domain, and the whole world has 13 genus more than 600 and plants.
The rattan of Rattan is commonly called as rattan, long up to over one hundred rice, epidermis is with or without gloss, primary colors mostly is milky or ecru, naturally pure and fresh, compared with wood, bamboo wood, because possessing excellent pliability, and ventilative, light and handy, heat conductivity is low, and is the environmentally conscious materials of biodegradable health environment-friendly, is the quality material manufacturing rattan yeast production wooden furniture and the various rattan plaited accessories etc. such as table, chair, tea table, sofa, screen, bed; Additionally, rattan furniture outward appearance elegance is plain, elegant in appearance, get close to nature, there is significantly high sight, there is significantly high commercial value. At present, the year total volume of trade of whole world Rattan reaches about 7,000,000,000, and the annual total import and export volume of China's cane furniture reaches 200,000,000 dollars, and with the speed increment of annual 10%.
But there is the excellent pliability of uniqueness based on windmill palm vine material, and the shortcoming of cane furniture in use flexible fracture, prior art is commonly used softening, the machine-shaping disposal methods windmill palm vine materials such as direct baking, during to avoid brake forming there is the phenomenons such as embrittlement in rattan in bending place, but this processing method in use procedure subsequently it occur frequently that embrittlement, affect the service life of cane furniture, reduce the rattan material competitiveness at furniture manufacturing field, bring significant limitation to the use of rattan material.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the anti-embrittlement processing method of a kind of windmill palm vine material, manufacture in furniture process and the technical problem of embrittlement easily occurs cane furniture crooked position in later stage use procedure solving windmill palm vine material.
The present invention is achieved by the following technical solutions:
A kind of anti-embrittlement processing method of windmill palm vine material, the negative pressure that the present invention produces first with vacuum, at normal temperatures the reagent that impregnates that key component is thermosetting modification enhancing resin liquid Lauxite is injected in windmill palm vine material, recycle the flexible of windmill palm vine material, and the moisture immersed in rattan material in impregnating fluid add thermogenetic hydro-thermal and carry out plasticising sofening treatment, farthest improve the plasticity of windmill palm vine material, bending process becomes required shape again, finally will impregnate reagent to be heating and curing, shape is fixed up, to reach the purpose preventing windmill palm vine material in crooked position generation embrittlement, specifically, comprise the following steps:
(1) windmill palm vine material is first carried out conditioning to the weight ratio of the moisture content of rattan material and reaches 9��15%, impregnate again in reagent, vacuum impregnation processes and makes the weight ratio impregnating the amount of impregnating of reagent reach 10��50%, obtain the rattan material impregnated, wherein, what impregnate reagent described in mainly comprises as liquid Lauxite;
(2) rattan material elder generation thermoplastic step (1) impregnated, is again bent at required shape, finally heated dry, curing molding.
Impregnating in reagent possibly together with toughener of described step (1), the addition of described toughener is impregnate reagent gross weight 0.1��0.2%, described toughener one in polyvinyl alcohol, Polyethylene Glycol and hydroxymethyl cellulose, to improve the adhesive of Lauxite, increase toughness.
The temperature of the heat drying of described step (2) is 120 DEG C, and the time of heat drying is 0.5��2.5 hour, allows the thermosetting resin Lauxite impregnated fully solidify, reaches maximum bending strength simultaneously and deformation be fixed up.
When described windmill palm vine material is hook leaf rattan, PlectocomiapierreanaBecc., preferably, in described step (1), the weight ratio of the amount of impregnating of Lauxite is 50%, toughener is polyvinyl alcohol, its addition is impregnate reagent gross weight 0.1%, and in described step (2), the temperature of heat drying is 120 DEG C, and the time of heat drying is 1.5 hours.
When described windmill palm vine material is highland hook leaf rattan, PlectocomiahimalayanaGriff, preferably, in described step (1), the weight ratio of the amount of impregnating of Lauxite is 10%, toughener is polyvinyl alcohol, its addition is impregnate reagent gross weight 0.2%, and the temperature of the heat drying of described step (2) is 120 DEG C, and the time of heat drying is 0.5 hour.
The condition of the conditioning of described step (1) is: dry-bulb temperature be 30 DEG C, relative humidity be that 65 �� 5% times constant temperature and humidities process 7 days.
The thermoplastic temperature of described step (2) is 100 DEG C, carries out plasticising sofening treatment to utilize the moisture of impregnating fluid in immersion rattan material to add thermogenetic hydro-thermal, improves the plasticity of windmill palm vine material to greatest extent.
The present invention has the advantage that the anti-embrittlement processing method that the invention provides a kind of windmill palm vine material compared to existing technology, the method is with liquid Lauxite for modifying agent, negative pressure of vacuum is utilized to impregnate, windmill palm vine material density and bending strength etc. after bending is all improved a lot, solve cane furniture difficult problem of the easy embrittlement of kink in preparation and use procedure, extend the service life of cane furniture.
Detailed description of the invention
Below embodiments of the invention being elaborated, the present embodiment is carried out under premised on technical solution of the present invention, gives detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
1, test material
(1) preparation of windmill palm vine material:
5, highland hook leaf rattan (PlectocomiahimalayanaGriff) of healthy growth is chosen respectively in Lianghe County, Yunnan Province, 5, hook leaf rattan (PlectocomiapierreanaBecc.) of healthy growth is chosen in Yingjiang County, Yunnan Province, cut at roots of, peel off rattan sheath, from root upwards by 2 meters long one section block, air dry, it is thus achieved that windmill palm vine material.
Test specimen that windmill palm vine material processes growth >=160mm is some, put in climatic chamber, dry-bulb temperature be 30 DEG C, relative humidity be 65 �� 5% times conditionings 7 days, the moisture content to guarantee hook leaf rattan reaches 9��15%, standby.
(2) preparation of reagent is impregnated:
It is liquid Lauxite that thermosetting modification strengthens resin: the percentage by weight of its solidfied material content is 46%, and density is 1.2g/cm3;
Polyvinyl alcohol selected by toughener: its molecular weight is 1750 �� 50Da, the weight percent hundred 99.0% of content;
Above reagent is purchased from market.
2, the relation of the amount of impregnating and vacuum measures
(1) the highland hook leaf rattan after conditioning, hook leaf rattan test specimen are numbered respectively, weighed up initial mass M0��
(2) choose highland hook leaf rattan, each 2 of hook leaf rattan test specimen every time, after reagent is impregnated in immersion, place in vacuum impregnation process tank, respectively (0.041MPa, 0.057MPa, 0.073MPa, 0.089MPa and 0.105MPa) impregnation process 1 hour under different vacuum Y.
(3) highland hook leaf rattan, hook leaf rattan test specimen are taken out in process respectively after terminating, and dry surface of test piece and weigh up the mass M after impregnating1��
(4) amount of the impregnating X=(M of reagent is calculated1-M0)/M0��
(5) according to the difference amount of impregnating that different vacuums are corresponding, simulate the amount of the impregnating X relation curve with vacuum Y, i.e. Y=0.0016X+0.0245, wherein, it is determined that coefficients R2=0.989, such that can pass through to control vacuum, control to impregnate the amount of impregnating of reagent.
3, anti-embrittlement processes test
(1) the windmill palm vine material test specimen after conditioning is impregnated in reagent, vacuum impregnation processes and makes the weight ratio impregnating the amount of impregnating of reagent reach 10��50%, obtain the rattan material that impregnates, wherein, described in impregnate reagent be the liquid Lauxite being added with polyvinyl alcohol;
(2) the rattan material elder generation thermoplastic impregnated above-mentioned steps obtained, is again bent at shape, finally heated dry, curing molding.
For establishing optimised process, test specimen after conditioning is uniformly divided into 9 groups, wherein the 1st group is done controlled trial as material, second group is done checking test, selection impregnate reagent, the amount of impregnating, toughener polyvinyl alcohol addition and 120 DEG C of heat time heating times (h) four factors, respectively under three varying levels, according to L9(34) Orthogonal Experiment and Design carries out 9 groups of tests, EXPERIMENTAL DESIGN is such as shown in table 1, table 2, and processing method such as above-mentioned anti-embrittlement processes described in test procedure (1)��(2).
Table 1: the orthogonal experiment factor and level
Table 2:9 group orthogonal experiment list
| Numbering | A impregnates reagent | The B amount of impregnating (%) | C toughener addition (%) | 120 DEG C of heat time heating times (h) of D |
| 1 | 1 | - | - | - |
| 2 | 1 | - | - | - |
| 3 | 1 | - | - | - |
| 4 | 2 | 1 | - | 3 |
| 5 | 2 | 2 | - | 1 |
| 6 | 2 | 3 | - | 2 |
| 7 | 3 | 1 | 3 | 2 |
| 8 | 3 | 2 | 1 | 3 |
| 9 | 3 | 3 | 2 | 1 |
Orthogonal test is carried out according to above-mentioned table 1, table 2 combination, after end, again the test specimen of each group is put in climatic chamber, dry-bulb temperature be 30 DEG C, relative humidity be carry out second time conditioning 7 days for 65 �� 5% times, the moisture content making the windmill palm vine material after curing molding reaches 9��15%, presses formula respectivelyCalculate compliance (10-3mm2/ N) and(compliance measures referring to GB/T15780-1995 " Physical And Mechanical Properties of Bamboo Woods experimental technique " to calculate bending strength (MPa); Anti-reflecting bending strength determining referring to " engineering mechanics " (third edition) of Zhang Bingrong, Beijing, China Machine Press, 2010), result is such as shown in table 3, table 4:
In formula: the compliance of J sample, m2/ N; Span between l two bearing, mm; R rattan material average diameter, mm; The difference of P upper and lower limit load, N; Sample deformation value between f upper and lower limit load, mm. The bending strength of MOR sample, MPa; PmaxBreaking load, N; Span between l two bearing, mm; D sample rattan material average diameter, mm.
Table 3: hook leaf rattan experimental result
Table 4: highland hook leaf rattan experimental result
According to the result of calculation in table 3,4, being marked price index with bending strength MOR and compliance J, hook leaf rattan and highland hook leaf rattan are set up optimised process respectively, and be verified test according to optimised process, result is in Table 5 and table 6:
Table 5: hook leaf rattan confirmatory experiment result
Table 6: highland hook leaf rattan confirmatory experiment result
From compliance J index, whether hook leaf rattan or highland hook leaf rattan, it is big that it is verified testing the value equal ratio orthogonal test value recorded according to optimised process, but it is simultaneously also all little than material (see table 3,4,5,6), it can thus be appreciated that: the compliance without the Rattan material impregnating agent treated is best, and the compliance of treated windmill palm vine material declines.
From bending strength MOR index, the optimised process of hook leaf rattan is: the Lauxite amount of impregnating is 50%, toughener polyvinyl alcohol addition is 0.1%, heats 1.5h at 120 DEG C, and the bending strength that checking test records is 62.061MPa, maximum; Highland hook leaf rattan optimised process is: the Lauxite amount of impregnating is 10%, toughener polyvinyl alcohol addition is 0.2%, heats 0.5h at 120 DEG C, and the bending strength that checking test records is 94.541MPa, maximum.
Claims (7)
1. the anti-embrittlement processing method of a windmill palm vine material, it is characterised in that comprise the following steps:
(1) windmill palm vine material is first carried out conditioning to the weight ratio of the moisture content of rattan material and reaches 9��15%, impregnate again in reagent, vacuum impregnation processes and makes the weight ratio impregnating the amount of impregnating of reagent reach 10��50%, obtain the rattan material impregnated, wherein, what impregnate reagent described in mainly comprises as liquid Lauxite;
(2) rattan material elder generation thermoplastic step (1) impregnated, is again bent at required shape, finally heated dry, curing molding.
2. the anti-embrittlement processing method of a kind of windmill palm vine material according to claim 1, it is characterized in that, impregnating in reagent possibly together with toughener of described step (1), the addition of described toughener is impregnate reagent gross weight 0.1��0.2%, described toughener one in polyvinyl alcohol, Polyethylene Glycol and hydroxymethyl cellulose.
3. the anti-embrittlement processing method of a kind of windmill palm vine material according to claim 2, it is characterised in that the temperature of the heat drying of described step (2) is 120 DEG C, and the time of heat drying is 0.5��2.5 hour.
4. the anti-embrittlement processing method of a kind of windmill palm vine material according to claim 3, it is characterized in that, described windmill palm vine material is hook leaf rattan, PlectocomiapierreanaBecc., in described step (1), the weight ratio of the amount of impregnating of Lauxite is 50%, and toughener is polyvinyl alcohol, and its addition is impregnate reagent gross weight 0.1%, in described step (2), the temperature of heat drying is 120 DEG C, and the time of heat drying is 1.5 hours.
5. the anti-embrittlement processing method of a kind of windmill palm vine material according to claim 3, it is characterized in that, described windmill palm vine material is highland hook leaf rattan, PlectocomiahimalayanaGriff, in described step (1), the weight ratio of the amount of impregnating of Lauxite is 10%, and toughener is polyvinyl alcohol, and its addition is impregnate reagent gross weight 0.2%, the temperature of the heat drying of described step (2) is 120 DEG C, and the time of heat drying is 0.5 hour.
6. the anti-embrittlement processing method according to the arbitrary described a kind of windmill palm vine material of Claims 1 to 5, it is characterized in that, the condition of the conditioning of described step (1) is: dry-bulb temperature be 30 DEG C, relative humidity be that 65 �� 5% times constant temperature and humidities process 7 days.
7. the anti-embrittlement processing method according to the arbitrary described a kind of windmill palm vine material of Claims 1 to 5, it is characterised in that the thermoplastic temperature of described step (2) is 100 DEG C.
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| CN108115789A (en) * | 2017-12-21 | 2018-06-05 | 安徽农业大学 | A kind of windmill palm vine material low-melting alloy enhances method of modifying |
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| CN104589445A (en) * | 2014-12-09 | 2015-05-06 | 安徽省阜南志峰工艺品有限公司 | Rattan softening method |
| CN106042118A (en) * | 2016-07-14 | 2016-10-26 | 阜南县宏泰工艺品有限公司 | Wicker sol-gel surface treating agent for reinforcing and toughening wickerwork and preparation method thereof |
| CN106378850A (en) * | 2016-08-31 | 2017-02-08 | 苏州市凌云工艺扇厂 | Processing technology of fan |
| CN106393369A (en) * | 2016-09-20 | 2017-02-15 | 阜南县环宇柳木工艺制品有限公司 | Anti-cracking treatment method for rattan |
| CN107351210A (en) * | 2017-06-03 | 2017-11-17 | 阜南县宏达工艺品厂 | A kind of method for extending willow-plaited process product service life |
| CN107877642B (en) * | 2017-12-21 | 2019-06-07 | 汪心怡 | A kind of tin bismuth cadmium alloy of windmill palm vine material is modified to reduce wettable method |
| CN108659639A (en) * | 2018-06-08 | 2018-10-16 | 阜南县永盛工艺品有限公司 | Mend decorations agent in a kind of surface for being modified Rattan |
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| CN102303331A (en) * | 2010-12-29 | 2012-01-04 | 北京林业大学 | Drying process for preventing eucalyptus wood shrinkage |
| CN103724935B (en) * | 2013-12-31 | 2015-11-18 | 中国林业科学研究院林产化学工业研究所 | A kind of method of urea-formaldehyde resin toughening modifying |
| CN104015234B (en) * | 2014-04-02 | 2016-03-16 | 中南林业科技大学 | A kind of production method of bent bamboo furniture and bending bamboo rod member |
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| CN108115789A (en) * | 2017-12-21 | 2018-06-05 | 安徽农业大学 | A kind of windmill palm vine material low-melting alloy enhances method of modifying |
| CN108115789B (en) * | 2017-12-21 | 2019-10-15 | 安徽农业大学 | A kind of windmill palm vine material low-melting alloy enhancing method of modifying |
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