CN1219474C

CN1219474C - Method for fabricating sole for footwear in environment protection

Info

Publication number: CN1219474C
Application number: CN 03101838
Authority: CN
Inventors: 高幼华
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-22
Filing date: 2003-01-22
Publication date: 2005-09-21
Anticipated expiration: 2023-01-22
Also published as: CN1518914A

Abstract

The present invention relates to a method for fabricating soles for footwear in environment protection. Cellulosic vegetable materials of recovered and discarded rice husk, wheat husk, etc. are used, and materials of natural or artificial rubber materials and a proper quantity of ripening additive agents, activated accelerating agents and filling agents, etc. are used for matching common soles. After the materials are mixed and stirred uniformly by machines, the materials are pressed to raw material sheets. The raw material sheets are easily put in a mould for heating, pressurization, ripening and forming when the soles are made, and the forming processing of the soles for footwear in environment protection is completed. After the soles are formed, the soles are demoulded and trimmed, and thus, the environment protection soles which have the advantages of comfort for people to wear, elasticity and convenience for recovery and utilization are formed.

Description

The preparation method of environmental protection sole

Technical field

The present invention relates to the preparation method of sole, relate in particular to the preparation method of the sole of a kind of environmental protection and practicality.

Background technology

The resource of the earth is limited, and industrial production is very serious to the waste of natural resources, continuous rising along with the modern humans's of 21st century environmental consciousness, various environmental protection commodity are weeded out the old and bring forth the new, all emphasize the theory of environmental protection, if will carry out efforts at environmental protection, preferably reduce the consumption of resource, make the material recycling that constantly circulates.In the use, if commodity have the characteristics of recycling or regeneration, just can be described as the environmental protection commodity.Moulding material with sole is an example, because what emphasize on using is comfortableness, so, in design, usually adopt various rubber cushion grounds to carry out multiple folded group, can be durable, comfortable and have resiliency, based on the restriction of this requirement, general material for sole of shoe is difficult to nature recovery or utilization again.And along with the enhancing of people consciousness, people develop various soles with environmental protection characteristic gradually, and the environmental protection sole of selling on the open market, its material is the bits material material with made of paper or filling cork mostly, it adds various agent and the deadlocked things etc. of mixing by paper wood, reach the sclerosis and use needs of resistance to water, fold again to organize or blend, stir to extrude and processing procedure such as finalize the design, cut, finish the making moulding of sole; And,, be stained with pressing typing behind the hard rubber material bottom surface usually again for water-fast and wear-resisting in the part on Part able to be adhered to sole ground, make complete sole, processing procedure wherein and folded system process are a lot, and need carry out various auxiliary operations and control, just can finish the sole with environmental protection effect; But, because the cost of manufacture height of this sole, and bending performance is undesirable, fracture easily, so, have only some senior leather shoes to use usually.Footwear is people's a basic daily necessities, how to reduce its use cost, and has a serviceability preferably, and its material is really inexhaustible, nexhaustible, just can be called and have environmental protection design, and use materials such as paper, cork dust, need through loaded down with trivial details processing procedure, and its stock is a timber, and paper wood consumption trees are obtained, and the environmental protection concept that it had only is paper wood back natural degradation, no secondary public hazards, with regard to the environmental protection chain, the environmental protection effect that is produced is worth further considering.In addition, its procedure for processing is many, it is various to add materials, the cost height, and service life is short, so, its practicality remains further to be inquired into to study, and for this reason, how to develop a kind of real low cost, makes rapidly, more and meet the environmental protection material for sole of shoe of long-lasting use value, be the target of institute of all circles active research exploitation always.

Summary of the invention

In order to solve existing environmental protection material for sole of shoe Development and Production and to use shortcomings such as going up cost height, poor practicability, the object of the present invention is to provide a kind of preparation method of sole of environmental protection.

The invention provides a kind of preparation method of environmental protection sole, comprise raw-material mixing preparation and go into mould, typing, deburring etc., it is characterized in that: the use material of whole environmental protection sole, rice husk, the suitable long fiber material of wheat husk accounts for 35-60%, natural rubber 25-45%, cooperate artificial rubber material 10-20%, the main environmental protection sole raw material of common formation, account for more than 92% of Sole moulding material, the raw material of above-mentioned mixing are added in an amount of additive 8% that comprises rubber maturation additive and mobile auxiliary activation promoter, through mixing, compressing tablet is handled, and makes and does the environment-friendly materials sheet that sole is used; Through going into heat pressurization typing of mould, just can be made into the sole of environmental-protecting material.

The preparation method of environmental protection sole of the present invention, by rice husk, simple and easy modulation such as rubber mixes, typing is handled, make that material for sole of shoe is capable of circulation to be re-used, spillage of material is minimized, and a large amount of uses of the plant shell material that cooperation is reclaimed, not only meet the environment-friendly materials characteristic, the finished product of making more has output economy concurrently, rapidly, lightweight and use comfortable, the multiple benefit of Environmental Safety, and the product material light weight, the improvement of comfortableness makes finished product more both artistic and practical, and the exploitation of its material is used, not only significantly reduce production costs, enhance productivity and product quality, but also simplified production process, have higher industrial utilization and innovation economic benefit.

In addition, cold-resistant tortuous 90 ° test according to Shoes Design ﹠ Technology Research Centre carries out environmental protection sole of the present invention under the bending test of subzero 20 degree Celsius, bends 40,000 times continuously, can be kept perfectly as before the practical effect of visible material modulation of the present invention.

Description of drawings

Fig. 1 is the block schematic diagram of the preparation method of environmental protection sole of the present invention.

The specific embodiment

Following conjunction with figs., and describe the preparation method of environmental protection sole of the present invention in detail with embodiment.

The preparation method of environmental protection sole of the present invention, its flow process as shown in Figure 1, whole material for sole of shoe is based on sponge, as rice husk, wheat husk etc., need not specially treated, mix 11 one-tenth raw material 10 with natural rubber material and existing general elastomeric material again, wherein fibrous material accounts for the 35-60% of total material, and natural rubber accounts for 25-45%, then between 10-20%, the common stirring constitutes main material to artificial rubber.Wherein, raw material 10 through added moulding with auxiliary additive after, fully mix and stir 11, be pressed into sheet then, or directly form the raw material 10 of whole bundle shape, be convenient to follow-up tailoring and process and fold management, its thickness can be between 1-50mm.The raw material of mix forming described in the present invention 10 account for more than 92% of moulding material at the bottom of the product shoes, remaining is in order to additives such as the sulphur that makes things convenient for the rubber maturation and rubber maturing promotor etc., its ratio is in 8%, after the just compromise ratio, directly and raw material mix 11 even, then, carrying out compressing tablet in advance handles, make its piece shape shape, convenient folded group folds or directly is rolled into bundle, so that following process moulding or cut operation, raw material that will be suitably big or small are 10 again, insert in the mould that moulding uses by certain amount, go into mould 12 programs, after module covers up and down, can heat, extrusion forming 13 operations, and because the maturation of the additive sulphur of raw material 10 internal mix is auxiliary and the activation booster action of maturing promotor, the turnover rate of whole raw material is significantly promoted, be full of whole die cavity effectively, the moulding that reaches complete sole is made, the temperature that whole moulding is heated is usually between 100-160 ℃, and its time usually at 4-15 minute, the blending ratio of whole material, difference that can be according to the actual requirements, the raw material mixed proportion is adjusted, thereby difference to some extent is after the molded semi-finished product depanning of finishing, again through deburring 14 programs, make the footwear edge face of moulding repair except that after neat the finished product 15 of the complete environmental protection sole of the moulding that just becomes one.

In order to satisfy the soft flexible use needs of indoor footwear, perhaps need the different needs that use such as stronger subsides tread surface, can and cooperate the interpolation of filler to adjust to its material, make suitable cure process with pasting tread surface bottom surface partly.Can add an amount of filler of 5-10% in raw material 10, promptly be commonly called as kaolin, calcium carbonate, glass dust as carclazyte and promptly be commonly called as materials such as white cigarette, aluminium oxide, its ratio is done suitable adjustment according to the needs of hardness.Whole content is done relative replacement than the content of main and paddy and wheat shell etc., can strengthen its wearability and hardness, makes the practicality more of whole sole; Also can carry out superimposed with the existing general artificial rubber soles plane materiel that is pressed into demihull shape in advance, general sole plane materiel thickness is between 1-10mm, and in the present invention, because the combination of materials that whole raw material are 10 mainly is the rubber material, so, when fitting folded group with the sole plane materiel, do not need folded group of other making, the sole plane materiel and 10 of the raw material that only need to be pressed into sheet are together put into mould, promptly go into mould 12 programs together, the moulding 13 of heating of pressurizeing together, constitute conjoined structure, do not need other processing fully, so man-hour is saved in the making of whole sole, and in conjunction with firm, can not separate, not only economical and practical, and help environmental protection.

In the making design of above-mentioned sole, raw material mainly is the discarded paddy and wheat shell that reclaims, cooperate material hybrid modulation such as natural, artificial rubber to form, but all be the environment-friendly materials of natural decomposition and recycling, the moulding of whole sole is made, and is to be environment-friendly materials completely, additives such as moulding slaking additive that the cooperation filling mixes and flow improver additive, its content is extremely low, but and all be the material of slaking volatilization, do not influence recovery or the natural decomposition performance of sole when discarded.And elastomeric material was exactly one of general use material of footwear and general environment-protecting product originally, its distinctive buffering elasticity and anti abrasive characteristic, and after being added into materials such as rice husk, not only hardening suitably improves, and finished product has suitable lightweight effect; But and whole procedure for processing one-off pattern formulation type, even cooperate folded group of sole plane materiel, also disjunctor cementation in mould together, need not special intermediate process and any folded group of bonding independent operation fully, the proportioning of whole material can be weighed with meter, is convenient to the planning control with a complete set of production line of computer automated setting, realizes automatic continuous production, need not sectional making and link, is the environmental protection material for sole of shoe Combination Design that has innovation; Cooperate the facility automated production, can significantly reduce man-hour, guarantee the clean and tidy and personal security of environmental protection of working environment, the potential safety hazard of volatilization such as without any jelly more, required manpower, technology and material cost can be reduced to minimum, thereby reduce the whole production cost effectively, have the economic benefit of reality, and on serviceability, the comfortableness and the elasticity that can keep sole to use again.According to sole product of the present invention, because the specific combination of its material, not only on serviceability, effectively promote, the integral production cost reduces more than 30% than existing product, and compare with the environmental protection sole, more can be up to several times, its output practicality, exceed existing material for sole of shoe, have unprecedented practicality and industrial utilization.

Claims

1, a kind of preparation method of environmental protection sole, comprise raw-material mixing preparation and go into mould, typing, deburring, it is characterized in that: the use material of whole environmental protection sole is, the long fiber material rice husk, wheat husk accounts for 35-60%, natural rubber 25-45%, artificial rubber material 10-20%, the main environmental protection sole raw material of common formation, account for more than 92% of Sole moulding material, the raw material of above-mentioned mixing are added in the additive 8% that comprises rubber maturation additive and mobile auxiliary activation promoter, through mixing, compressing tablet is handled, and makes and does the environment-friendly materials sheet that sole is used; Through going into heat pressurization typing of mould, just can be made into the sole of environmental-protecting material.

2, the preparation method of environmental protection sole as claimed in claim 1 is characterized in that, by natural, artificial rubber material and rice husk and fill additive and be pre-mixed and stir the back and press the raw material sheet that is set as sheet, its thickness is between 1-50mm.

3, the preparation method of environmental protection sole as claimed in claim 1 is characterized in that, for adjusting the hardness of sole, adds carclazyte, calcium carbonate, glass dust or aluminium oxide as filler in mixing stirring material.

4, the preparation method of environmental protection sole as claimed in claim 3 is characterized in that, filler accounts for the 5-10% that stirs material, and itself and the contained ratio of paddy and wheat shell are done equivalent and replaced.