阅读说明：本技术 人造方木及其制作方法 (Artificial lumps of wood and preparation method thereof ) 是由 张培兴 于 2019-08-26 设计创作，主要内容包括：本发明公开了一种人造方木及其制作方法,所述人造方木由以下重量份的原料制成：木料40～60份,胶黏剂20～30份,氯化钠0.25～0.5份,消醛粉1～3份,环保防水胶5～10份；其中,木料由刨花50～70份,锯末15～25份,木条15～25份组成。其制作方法为：(1)将木料、胶黏剂、氯化钠、消醛粉和环保防水胶混合搅拌均匀得到混合料；(2)将混合料送入挤出机挤出进入定型模具中固化；(3)将成型后的木条从定型模具中取出即得人造方木。本发明制作的人造方木具有很大的硬度,不易腐朽、防水防虫等性能,用于托盘承重底座可以减少木材的使用,充分利用废弃物。(The invention discloses a kind of artificial lumps of wood and preparation method thereof, the artificial lumps of wood is made of raw material from the following weight: 40~60 parts of timber, 20~30 parts of adhesive, 0.25~0.5 part of sodium chloride, being disappeared 1~3 part of aldehyde powder, 5~10 parts of environment-friendly waterproof glue；Wherein, timber is made of 50~70 parts of wood shavings, 15~25 parts of sawdust, 15~25 parts of batten.Its production method are as follows: (1) by timber, adhesive, sodium chloride, disappear aldehyde powder and environment-friendly waterproof glue is mixed evenly to obtain mixture；(2) it feeds the mixture into extruder and extrudes into shaper and solidify；(3) batten after molding is taken out from shaper up to the artificial lumps of wood.The artificial lumps of wood that the present invention makes has very big hardness, and the performances such as not apt to rot, waterproof insectproof can reduce the use of timber for pallet weight bearing foundation, make full use of waste.)

1. the artificial lumps of wood, which is characterized in that be made of raw material from the following weight:

40~60 parts of timber, 20~30 parts of adhesive, 0.25~0.5 part of sodium chloride, disappear 1~3 part of aldehyde powder, environment-friendly waterproof glue 5~ 10 parts.

2. the artificial lumps of wood according to claim 1, which is characterized in that the timber is made of the raw material of following parts by weight: 50~70 parts of wood shavings, 15~25 parts of sawdust, 15~25 parts of batten.

3. the artificial lumps of wood according to claim 2, which is characterized in that the batten is prepared by following methods:

Raw material are first ground into length and are the bar of 10cm, then being ground into length is 3~4cm, finally smashing into length The batten of 2.6cm, width 0.8cm, thickness 0.6cm.

4. the artificial lumps of wood according to claim 3, which is characterized in that the raw material are building waste, discarded timber, dress Any one or a few in exterior material, timeworn furniture and stalk.

5. the artificial lumps of wood according to claim 1, which is characterized in that the adhesive by following parts by weight raw material group At:

10~20 parts of urea, 10~20 parts of formaldehyde, 5~10 parts of melamine resin, 5~10 parts of gelatin, 5~10 parts of chitosan, 1~2 part of hydrochloric acid, 1~2 part of sodium hydroxide, 1~4 part of ammonium hydroxide, 5~10 parts of Self- raising flour, 5~10 parts of starch.

6. the artificial lumps of wood according to claim 1, which is characterized in that the width of the artificial lumps of wood and the ratio of thickness are 3:1~1:1.

7. the manufacturing method of the artificial lumps of wood described in any one of claim 1~6, which comprises the following steps:

(1) timber, adhesive, sodium chloride, disappear aldehyde powder and environment-friendly waterproof glue are mixed, is uniformly mixing to obtain mixture；

(2) mixture is squeezed out through extruder and is sent into shaper, the curing molding in shaper；

(3) it takes out, spontaneously dries to get the artificial lumps of wood from shaper after curing molding.

8. the manufacturing method according to claim 1, which is characterized in that in step (2), the extrusion pressure of extruder is 2~ 3MPa, the temperature of extruder are 190~210 DEG C, the extruded velocity of extruder are as follows: it is 3cm that every 4s, which squeezes out length,.

9. the manufacturing method according to claim 1, which is characterized in that in step (2), the cured time in shaper For 6~12h.

10. the artificial lumps of wood is as the application in pallet weight bearing foundation described in claim 1~6 any one.

Technical field

The present invention relates to imitation wood's technical fields more particularly to a kind of artificial lumps of wood and preparation method thereof.

Background technique

The lumps of wood is one kind of load-carrying members material, refer to right angle sawing and width-thickness ratio less than 3, section be rectangle (including It is rectangular) sawn timber.The existing lumps of wood is directly used after log sawing, also has plenty of Veneer gluing and laminated timber (LVL) is made, By directly being used after certain specification sawing.And the use of a large amount of logs needs to cut down a large amount of trees, causes the destruction of environment, makes Obtain severe water and soil erosion.And the lumps of wood of log production is natural organic, is easy the infringement by fungi and pest and becomes Matter, such as rot fungi are decomposed in wood cell wall tissue using this quality as nutriment for its own growth and breeding, and by secretase Cellulose, hemicellulose, cause foxiness and reduce the hardness of wood, so that timber does not crack or rots at load-bearing.Separately Outside, it during lumps of wood use, is easy to be caused the lumps of wood gradually to rot and cannot use by rainwater or moisture attacks.

In order to protect environment, the use of timber is reduced；Need a kind of people with not apt to rot, waterproof, insect prevention The lumps of wood is made to substitute the use of the part solid wood lumps of wood.

Summary of the invention

In view of the above shortcomings of the prior art, the object of the present invention is to provide a kind of artificial lumps of wood, and the artificial lumps of wood is by giving up The timber of abandoning is prepared, and has high hardness, excellent anti-corrosion and waterproof performance, it is possible to reduce log uses.

The present invention is achieved through the following technical solutions:

The first aspect of the present invention provides a kind of artificial lumps of wood, is made of raw material from the following weight:

40~60 parts of timber, 20~30 parts of adhesive, 0.25~0.5 part of sodium chloride, disappear 1~3 part of aldehyde powder, environment-friendly waterproof glue 5~10 parts.

Preferably, the timber is made of the raw material of following parts by weight: 50~70 parts of wood shavings, 15~25 parts of sawdust, and batten 15~25 parts.

It is furthermore preferred that the timber is made of the raw material of following parts by weight: 60 parts of wood shavings, 20 parts of sawdust, 20 parts of batten.

Preferably, the batten is prepared by following methods: raw material are first ground into the bar that length is 10cm, then powder Being broken into length is 3~4cm, the batten of finally smashing into length 2.6cm, width 0.8cm, thickness 0.6cm.

Preferably, the raw material be building waste, it is any one in discarded timber, ornament materials, timeworn furniture and stalk Kind is several.

Preferably, the adhesive includes the raw material of following parts by weight: 10~20 parts of urea, 10~20 parts of formaldehyde, and three 5~10 parts of cymel, 5~10 parts of gelatin, 5~10 parts of chitosan, 1~2 part of hydrochloric acid, 1~2 part of sodium hydroxide, ammonium hydroxide 1~ 4 parts, 5~10 parts of Self- raising flour, 5~10 parts of starch.

Preferably, the ratio of the width of the artificial lumps of wood and thickness is 3:1~1:1.

The second aspect of the present invention provides the preparation method of the artificial lumps of wood, comprising the following steps:

(1) timber, adhesive, sodium chloride, disappear aldehyde powder and environment-friendly waterproof glue are mixed, is uniformly mixing to obtain mixture；

(2) mixture is squeezed out through extruder and is sent into shaper, the curing molding in shaper；

(3) it takes out, spontaneously dries to get the artificial lumps of wood from shaper after curing molding.

Preferably, the extrusion pressure of the extruder is 2~3MPa, and the temperature of extruder is 190~210 DEG C, extruder Extruded velocity are as follows: it is 3cm that every 4s, which squeezes out length,.

Preferably, the cured time is 6~12h in the shaper.

The third aspect of the present invention provides the application of the artificial lumps of wood: the weight bearing foundation as pallet.

The invention has the benefit that

1. the artificial lumps of wood of the invention is made of obsolete materials such as wood shavings, sawdust, building waste, timeworn furniture, both reduced The use of timber, and capable of recycling using waste, effective protection environment.

2. the artificial lumps of wood of the invention is directly produced according to required specification, sawn timber is not needed, saves manpower object Power.

3. the artificial lumps of wood of the invention has waterproof, the performance of fungi-proofing insect prevention, it can be used for a long time and not corroded.

4. the artificial lumps of wood of the invention is more much higher than the hardness of the solid wood lumps of wood, sturdy and durable.

5. gelatin, chitosan, flour is added in adhesive used in the artificial lumps of wood of the invention on the basis of urinating aldehyde glue And starch, the caking property of adhesive was not only increased, but also reduce content of formaldehyde, and had been down to content of formaldehyde by original 40% or more It between 10~20%, and is added and disappears aldehyde powder and environment-friendly waterproof glue to reduce the release of formaldehyde, country is fully achieved in burst size of methanal Required standard.Chitosan has extremely strong bactericidal effect, can effectively kill except all kinds of bacteriums and fungi.

Detailed description of the invention

Fig. 1 is the artificial lumps of wood prepared by the present invention；

Fig. 2 is application schematic diagram of the artificial lumps of wood in pallet；

It is as shown in the figure: 1. pallets, 2. pedestals.

Specific embodiment

It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

As described in background, there are many timber kind used in the lumps of wood, and the hardness of different timber is different, in addition wood Material is easy to be corroded by water and steam, reduces its hardness and then cannot be used or rot by fungi corrosion.It is of the invention based on this Artificial lumps of wood and preparation method thereof is provided, the made artificial lumps of wood has very high hardness, while can also water proof, fungus proof and Insect prevention.

The artificial lumps of wood of the invention includes the raw material of following parts by weight: 40~60 parts of timber, 20~30 parts of adhesive, and chlorination 0.25~0.5 part of sodium, disappear 1~3 part of aldehyde powder, 5~10 parts of environment-friendly waterproof glue.

The timber is made of the raw material of following parts by weight: 50~70 parts of wood shavings, 15~25 parts of sawdust, and batten 15~25 Part.The batten is prepared by following methods: raw material being first ground into length and are the bar of 10cm, then being ground into length is 3 ~4cm, the batten of finally smashing into length 2.6cm, width 0.8cm, thickness 0.6cm.The raw material are building waste, discard Any one or a few in timber, ornament materials, timeworn furniture and stalk.The adhesive includes the former material of following parts by weight Material: 10~20 parts of urea, 10~20 parts of formaldehyde, 5~10 parts of melamine resin, 5~10 parts of gelatin, 5~10 parts of chitosan, salt 1~2 part, 1~2 part of sodium hydroxide, 1~4 part of ammonium hydroxide, 5~10 parts of Self- raising flour, 5~10 parts of starch of acid.

Batten is using made of various buildings, the waste fitted up, and the use of batten both can be reduced the dosage of adhesive, The intensity and hardness of the artificial lumps of wood can be increased again.

It is the curability in order to increase the artificial lumps of wood in curing molding that sodium chloride, which is added, so that the artificial lumps of wood tool of production There is very high hardness；It is added without sodium chloride, the artificial lumps of wood after curing molding is softer, and rigidity is insufficient, and curing time extends.Ring Protect the purpose that the addition of marine glue can make wood-based plate play waterproof, additionally it is possible to which the release for controlling formaldehyde in wood-based plate guarantees to make The health of user.The aldehyde powder that disappears can reduce the release of formaldehyde in pollopas gluing agent, while improve the stability of adhesive.Glue Glutinous agent is to joined gelatin and chitosan on the basis of urinating aldehyde glue, and chitosan has the function of that sterilization can protect wooden object not It is infected by bacterium and fungi；Gelatin can carry out the adhesive property that cross-linking reaction increases adhesive with chitosan simultaneously；They It is used together with flour with starch and not only increases the caking property of urine aldehyde glue but also play the role of curing agent, be also greatly reduced formaldehyde Content；Content of formaldehyde is reduced between 10~20% by original 40% or more.And hydrochloric acid, sodium hydroxide and ammonia in adhesive There is the compounds such as water strong acid and strong basicity insect can be prevented to gnaw the artificial lumps of wood.

Environment-friendly waterproof glue, the aldehyde powder that disappears are commercial product, can be purchased from Liaocheng brilliant cyclopentadienyl environmentally friendly development in science and technology Co., Ltd.

The present invention also provides the production methods of the artificial lumps of wood:

(1) timber, adhesive, sodium chloride, disappear aldehyde powder and environment-friendly waterproof glue are mixed, is uniformly mixing to obtain mixture；

(2) mixture is squeezed out through extruder and is sent into shaper, the curing molding in shaper；

(3) it takes out, spontaneously dries to get the artificial lumps of wood from shaper after curing molding.

At room temperature, it feeds the mixture into extruder, the auger in extruder constantly rotates, under the action of extrusion pressure Auger promotes mixture to travel forward subsequently into shaper, can adjust shaper according to the specification of the required artificial lumps of wood Size.When the artificial lumps of wood solidifies, often surface temperature is low so can solidify and middle section is uncured, in order to ensure artificial The lumps of wood is fully cured, and the small iron rod that a diameter is 0.2~0.8cm is arranged in the discharge port between extruder and shaper, By entering shaper around small iron rod, just have a diameter among the artificial lumps of wood after molding in this way is mixture The aperture of 0.2~0.8cm, this aperture are used for that the artificial lumps of wood to be internally dry at the time of molding, accelerate the solidification of the artificial lumps of wood.It squeezes out Temperature is 190~210 DEG C, due to adhesive package wood shavings, sawdust and batten, and is in a relatively closed space when extrusion There is no oxygen to be mixed into, so wood shavings, sawdust and batten are still able to maintain original state at 190~210 DEG C without spontaneous combustion.And face Powder and starch act on lower viscosity at high temperature and increase, and after extrusion molding is cooling, the artificial lumps of wood is at can become very firm.

In order to enable those skilled in the art can clearly understand the technical solution of the application, below with reference to tool The technical solution of the application is described in detail in the embodiment of body.If the experiment actual conditions being not specified in embodiment, usually according to Normal condition, or the condition recommended according to Reagent Company；Reagent as used in the following examples, consumptive material etc., such as without special Illustrate, can be obtained through commercial channels.