CN103395107A - Preparation process of modified wood for solid-wood door and window frame - Google Patents
Preparation process of modified wood for solid-wood door and window frame Download PDFInfo
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- CN103395107A CN103395107A CN2013103246066A CN201310324606A CN103395107A CN 103395107 A CN103395107 A CN 103395107A CN 2013103246066 A CN2013103246066 A CN 2013103246066A CN 201310324606 A CN201310324606 A CN 201310324606A CN 103395107 A CN103395107 A CN 103395107A
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Abstract
The invention discloses a preparation process of modified wood for a solid-wood door and window frame. The preparation process comprises the steps of: firstly, pre-drying a material, wherein a log section is sawn into a material with a required specification to ensure that the water content is reduced to be below 25 percent; secondly, modifying the material, wherein the dried material is completely immersed in a reinforced low-molecular resin prepolymerized liquid with a certain concentration to be subjected to dipping treatment; thirdly, drying the immersed material at low temperature to ensure that the water content is reduced to be below 25 percent so as to obtain a modified material; fourthly, sizing resin of the modified material, wherein the resin inside the modified wood is cured and sized. By adopting the mode, according to the preparation process of the modified wood for the solid-wood door and window frame, disclosed by the invention, fast-growing wood is modified by adopting the reinforced low-molecular resin prepolymerized liquid to ensure that a modifying agent is filled inside the fast-growing wood, therefore excellent mechanical property, dimensional stability and durability are endowed to products, the service life of the products is prolonged, the quality of the products is improved and the use value is increased.
Description
Technical field
The present invention relates to wood processing field, particularly a kind of Solid Door window frame preparation technology of improved wood.
Background technology
In the timber industry field, timber resources is except deriving from wildwood, ratio over half derives from a large amount of fast-growing, high-yield woods, fast growing wood contains a large amount of juvenile woods, the material maturity is low, as timber such as poplar, China fir, masson pine, Eucalyptus, this type of wood quality is soft, density is little, poor mechanical property, material lack of homogeneity, direct Solid Door window frame with its making, poor, the easy buckling deformation of product quality, structural behaviour is poor, presentation quality is low, the military service cycle is short, and its practicality is inconsiderable.
Summary of the invention
The technical problem that the present invention mainly solves is to provide the preparation technology of a kind of Solid Door window frame with improved wood, can effectively improve the quality of low-quality timber, increases the practical value of low-quality timber.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the preparation technology of a kind of Solid Door window frame with improved wood is provided, and described preparation technology's step comprises:
The first, material is predrying; After log juggle saw cuts open into the dimension stock of required size, adopt the moisture control mode of soft benchmark, its moisture content is down to below 25%;
The second, material modification; Dried material is immersed in certain density enhancement mode low-molecular-weight resin pre-polymerization liquid fully, adopts normal temperature and pressure, cold and hot groove, roller to roll the modes such as contracting, vacuum pressed, or be aided with simultaneously the mode of ultrasonic equipment concussion, it is carried out impregnation process;
The 3rd, with the low temperature drying under the environmental condition lower than 40 ℃ of temperature of impregnated material, its moisture content is down to below 25%, thereby obtains the modification material;
The 4th, material modified resin typing; The modification material is placed in the hot pressing pressing plate, takes the hot pressing temperature of 105 ℃-140 ℃, the hot pressing pressure of 0MPa-0.5MPa, the hot pressing speed of 2min/mm-5min/mm, carry out the solidifying and setting of its internal resin to the modification material.
Preferably, described enhancement mode low-molecular-weight resin pre-polymerization liquid comprises: urea-formaldehyde low-molecular-weight resin pre-polymerization liquid, P-F low-molecular-weight resin pre-polymerization liquid, carbamide low-molecular-weight resin pre-polymerization liquid and modified resin pre-polymerization liquid thereof; Can, according to the concrete effect of improved wood, for resin pre-polymerization liquid, make the appropriate adjustments.
The invention has the beneficial effects as follows: the preparation technology of a kind of Solid Door window frame with improved wood is provided, towards vast low-quality fast growing wood, it is processed as the modified form timber that can replace the precious wood of coniferous tree of high-quality and hard broad leaf tree timber.Adopt enhancement mode low-molecular-weight resin pre-polymerization liquid to carry out modification to fast growing wood, make fast growing wood inside be full of modifier, thereby give antiseptic insect-repelling and the durability of product excellence, extend the military service cycle of product, increase its use value.
The specific embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made more explicit defining.
The embodiment of the present invention comprises: a kind of Solid Door window frame preparation technology of improved wood, and described preparation technology's step comprises:
The first, material is predrying; After log juggle saw cuts open into the dimension stock of required size, adopt the moisture control mode of soft benchmark, its moisture content is down in 20% ~ 25% scope;
The second, material modification; It is in 30% melamine formaldehyde resin pre-polymerization liquid that dried material is immersed in mass percentage concentration fully, adopts vacuum pressed, and is aided with simultaneously the mode of ultrasonic equipment concussion, and it is carried out impregnation process; Described enhancement mode low-molecular-weight resin pre-polymerization liquid comprises: urea-formaldehyde low-molecular-weight resin pre-polymerization liquid, P-F low-molecular-weight resin pre-polymerization liquid, carbamide low-molecular-weight resin pre-polymerization liquid and modified resin pre-polymerization liquid thereof; Can, according to the concrete effect of improved wood, for resin pre-polymerization liquid, make the appropriate adjustments.
The 3rd, with the low temperature drying under the environmental condition of 40 ℃ of impregnated material, its moisture content is down in 20% ~ 25% scope, thereby obtains the modification material;
The 4th, material modified resin typing; The modification material is placed in the hot pressing pressing plate, takes the hot pressing temperature of 120 ℃, the hot pressing pressure of 0.5MPa, the hot pressing speed of 3min/mm, carry out the solidifying and setting of its internal resin to the modification material.
A kind of Solid Door window frame of the present invention, with the preparation technology of improved wood,, towards vast low-quality fast growing wood, is processed as the modified form timber that can replace the precious wood of coniferous tree of high-quality and hard broad leaf tree timber with it.Adopt enhancement mode low-molecular-weight resin pre-polymerization liquid to carry out modification to fast growing wood, make fast growing wood inside be full of reinforced resins, thereby give antiseptic insect-repelling and the durability of timber excellence.Simultaneously, can prepare different modifier solutions for the required Practical Performance of timber, to reach different modified effects.The solid wood products that uses improved wood to make, not only have excellent dimensional stability and structural behaviour, and the military service quality of product is significantly improved also.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (2)
1. a Solid Door window frame is with the preparation technology of improved wood, and it is characterized in that: described preparation technology's step comprises:
The first, material is predrying; After log juggle saw cuts open into the dimension stock of required size, adopt the moisture control mode of soft benchmark, its moisture content is down to below 25%;
The second, material modification; Dried material is immersed in certain density enhancement mode low-molecular-weight resin pre-polymerization liquid fully, adopts normal temperature and pressure, cold and hot groove, roller to roll the modes such as contracting, vacuum pressed, or be aided with simultaneously the mode of ultrasonic equipment concussion, it is carried out impregnation process;
The 3rd, with the low temperature drying under the environmental condition lower than 40 ℃ of temperature of impregnated material, its moisture content is down to below 25%, thereby obtains the modification material;
The 4th, material modified resin typing; The modification material is placed in the hot pressing pressing plate, takes the hot pressing temperature of 105 ℃-140 ℃, the hot pressing pressure of 0MPa-0.5MPa, the hot pressing speed of 2min/mm-5min/mm, carry out the solidifying and setting of its internal resin to the modification material.
2. a kind of Solid Door window frame according to claim 1 is with the preparation technology of improved wood, and it is characterized in that: described enhancement mode low-molecular-weight resin pre-polymerization liquid comprises: urea-formaldehyde low-molecular-weight resin pre-polymerization liquid, P-F low-molecular-weight resin pre-polymerization liquid, carbamide low-molecular-weight resin pre-polymerization liquid and modified resin pre-polymerization liquid thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103246066A CN103395107A (en) | 2013-07-30 | 2013-07-30 | Preparation process of modified wood for solid-wood door and window frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103246066A CN103395107A (en) | 2013-07-30 | 2013-07-30 | Preparation process of modified wood for solid-wood door and window frame |
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| CN103395107A true CN103395107A (en) | 2013-11-20 |
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| CN2013103246066A Pending CN103395107A (en) | 2013-07-30 | 2013-07-30 | Preparation process of modified wood for solid-wood door and window frame |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563594A (en) * | 2015-12-15 | 2016-05-11 | 温玉桂 | Basswood shell manufacturing process |
| CN105599093A (en) * | 2015-12-15 | 2016-05-25 | 温玉桂 | Mobile phone shell manufacturing technology |
| CN107160520A (en) * | 2017-07-01 | 2017-09-15 | 安徽省扬子家居新材料有限公司 | A kind of solid wood door and window is embossed preparation technology with timber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59165613A (en) * | 1983-03-11 | 1984-09-18 | 松下電工株式会社 | Manufacture of aggregate wood |
| CN101007415A (en) * | 2007-01-26 | 2007-08-01 | 浙江林学院 | Soft material solid-wood reinforced board and its producing method |
| CN101791811A (en) * | 2010-03-30 | 2010-08-04 | 嘉汉林业(广州)有限公司 | Combined lumber and fabrication technique thereof |
| CN101863064A (en) * | 2010-06-04 | 2010-10-20 | 李茂林 | Process for simultaneously heating and pressing modified hard wood by using steam and high frequency double heat source |
-
2013
- 2013-07-30 CN CN2013103246066A patent/CN103395107A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59165613A (en) * | 1983-03-11 | 1984-09-18 | 松下電工株式会社 | Manufacture of aggregate wood |
| CN101007415A (en) * | 2007-01-26 | 2007-08-01 | 浙江林学院 | Soft material solid-wood reinforced board and its producing method |
| CN101791811A (en) * | 2010-03-30 | 2010-08-04 | 嘉汉林业(广州)有限公司 | Combined lumber and fabrication technique thereof |
| CN101863064A (en) * | 2010-06-04 | 2010-10-20 | 李茂林 | Process for simultaneously heating and pressing modified hard wood by using steam and high frequency double heat source |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563594A (en) * | 2015-12-15 | 2016-05-11 | 温玉桂 | Basswood shell manufacturing process |
| CN105599093A (en) * | 2015-12-15 | 2016-05-25 | 温玉桂 | Mobile phone shell manufacturing technology |
| CN105599093B (en) * | 2015-12-15 | 2018-01-02 | 东莞市林泽通讯器材有限公司 | Mobile phone shell manufacturing process |
| CN107160520A (en) * | 2017-07-01 | 2017-09-15 | 安徽省扬子家居新材料有限公司 | A kind of solid wood door and window is embossed preparation technology with timber |
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Application publication date: 20131120 |
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