CN1562591A - Method for modifying timber through biotechnology and optoelectronic technology - Google Patents

Abstract

A method for modifying wood by biologic and photoelectric techniques features that the biologic enzyme preparation is used to remove xylose from wood. said biologic enzyme preparation is prepared from cellulose, alpha-amylase, neutral proteinase, beta-amylase, xylanase, beta-glucanase, pectinase and neutral lipase. The modified wood can be used for music instrument.

Description

Carry out the method for Wooden modifying with biological and photoelectric technology

Technical field

The present invention relates to a kind of method for modifying wood, specifically a kind ofly make the material that influences musical instrument and sounding material acoustics quality in the timber obtain that part transforms and combine by biological and photoelectric technology and to carry out the processing method of Wooden modifying.

Background technology

At present, general Wooden modifying is to adopt chemical treatment method, such as with resorcinol aqueous solution soaking timber, through air-dry, and heats in formaldehyde vapors.The method has improved strength of wood and dimensional stability, has reduced hygroscopicity, but great role is not played in the improvement of musical instrument timber tone color, tonequality.Its main cause is that this method has imported resin in the cellulose space of timber, weight and the density of handling back timber increase to some extent, this is concerning the fiddle butt material, the musical instrument sound transform effect is reduced, and chemically treated method impacts producers and environment, so never obtain wide popularization and application.

Summary of the invention

In order to overcome the existing shortcoming of improving instrumental acoustics quality DeGrain and contaminated environment with chemical method, the purpose of this invention is to provide a kind of reduction hydroscopicity of wood, improve timber gas porosity, vibratility and stability, combining with biological and photoelectric technology makes the new technology of Wooden modifying.

The technical solution used in the present invention is: adopt biological enzyme formulation to make the Wooden modifying desugar, its biologic product is to form with cellulase 400-700u/ml, alpha amylase 600-1200u/ml, neutral protein powder enzyme 400-700u/ml, beta amylase 1500-3000u/ml, zytase 2500-4000u/ml, beta glucan enzyme 250-500u/ml, pectase 750-1000u/ml, neutral lipase 1000-2000u/ml, adopts following technology:

(1) adopt electron waves to timber irradiation less than 5 minutes coarse grained wood cell wall structures;

(2) timber is immersed in the biological solution 20-30 minute;

(3) enzyme process reacted 24-48 hour in 50 ℃-60 ℃ isothermal reaction case;

(4) hydrolysis degreasing desugar 1-3 hour under 80 ℃-100 ℃ state;

(5) in 60 ℃-70 ℃ constant temperature hot air drier, dried 48-72 hour.

In the above technical scheme, hemicellulose in the timber intercellular layer, pectic substance, starch, protein, fat etc. are influenced the material of musical instrument, sounding material acoustics quality and easy moisture absorption, utilize the plurality of enzymes preparation to make wherein a part change into some kinds of sugar, again the method degreasing desugar by hydrolysis; Adopt the photoelectric technology of electron waves irradiation, help coarse grained wood, be convenient to the intervention reaction of enzyme preparation and influence producing of acoustic quality material.Described biological enzyme formulation is to adopt the commercial enzyme that meets national standard, and security is good, and is nontoxic, has no side effect.Processing method of the present invention fully improves timber biological character, eliminated the inner residual deformation of timber, kept the lumber fibre former state, timber weight and density have been reduced, make the timber of modification have good vibratility and stability, and treatment process is simple, to environment and human body without any influence, be applicable to the modification of all kinds of timber, particularly the fiddle butt material had tangible improved effect.The musical instrument and the sounding material that adopt this timber to produce, its acoustic quality and sound equipment exchange efficiency significantly improve, high bass harmony, the more pure grace of sound quality.

The specific embodiment

Most preferred embodiment a: a of the present invention, musical instrument timber is put into the light wave processor carried out electron irradiation 3 minutes; B, add the cellulase of 5,000,000 u/ml, the alpha amylase of 1,000 ten thousand u/ml, the neutral protein powder enzyme of 5,000,000 u/ml, the beta amylase of 1,500 ten thousand u/ml, the zytase of 2,500 ten thousand u/ml, the beta glucan enzyme of 2,500,000 u/ml, the pectase of 7,500,000 u/ml, the neutral lipase of 1,000 ten thousand u/ml, be mixed with enzymes soln with the water of 10L; C, timber was immersed in the enzymes soln 20 minutes; D, soaked timber put into 50 ℃ insulating box reaction 48 hours; E, timber is put into 80 ℃-100 ℃ water carry out degreasing desugar hydrolysis 1 hour; 60 ℃ drying box oven dry in 72 hours is put in f, taking-up.The timber of handling well is used for qin plate, sound beam, the sound column of violin, the main material of qin sign indicating number, and the violin of making has reached the aging effect of new qin, and high pitch is bright, bass is simple and honest, tone color is mellow and full, the excessive coordinating and unifying of high bass, and the penetration power of tone color is good.

Claims (2)

1, a kind of method of carrying out Wooden modifying with biology and photoelectric technology, adopt biological enzyme formulation to make the Wooden modifying desugar, its biologic product is to form with cellulase 400-700u/ml, alpha amylase 600-1200u/ml, neutral protein powder enzyme 400-700u/ml, beta amylase 1500-3000u/ml, zytase 2500-4000u/ml, beta glucan enzyme 250-500u/ml, pectase 750-1000u/ml, neutral lipase 1000-2000u/ml, adopts following technology:

(1) adopt electron waves to timber irradiation less than 5 minutes coarse grained wood cell wall structures;

(2) timber is immersed in the biological solution 20-30 minute;

(3) enzyme process reacted 24-48 hour in 50 ℃-60 ℃ isothermal reaction case;

(4) hydrolysis degreasing desugar 1-3 hour under 80 ℃-100 ℃ state;

(5) in 60 ℃-70 ℃ constant temperature hot air drier, dried 48-72 hour.

2, a kind of method gained improved wood that carries out Wooden modifying with biology and photoelectric technology according to claim 1 is used for musical instrument and sounding material.