CN107903488A - A kind of sponge material with low tensile strength and preparation method thereof - Google Patents

A kind of sponge material with low tensile strength and preparation method thereof Download PDF

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Publication number
CN107903488A
CN107903488A CN201711276231.5A CN201711276231A CN107903488A CN 107903488 A CN107903488 A CN 107903488A CN 201711276231 A CN201711276231 A CN 201711276231A CN 107903488 A CN107903488 A CN 107903488A
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parts
tensile strength
sponge material
sponge
low tensile
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卢晔
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Chengdu Chuangkezhijia Technology Co Ltd
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Chengdu Chuangkezhijia Technology Co Ltd
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Priority to CN201711276231.5A priority Critical patent/CN107903488A/en
Publication of CN107903488A publication Critical patent/CN107903488A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
    • A61B17/66—Alignment, compression or distraction mechanisms
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Abstract

The invention discloses a kind of sponge material with low tensile strength and preparation method thereof, the sponge material is made of the component of following parts by weight：90 parts of ethylene vinyl acetate, 13 15 parts of APAO PT, 20 30 parts of synthetic rubber, 35 parts of rubber softening oil, 69 parts of calcium carbonate powder, 47 parts of adhesive resin, 36 parts of diatom ooze, 8 13 parts of foaming agent, 0.2 0.6 parts of cumyl peroxide, 0.5 1 parts of emulsifying agent, 12 parts of dispersant, 0.2 0.6 parts of vulcanizing agent.A kind of sponge material with low tensile strength provided by the invention and preparation method thereof, by varying the formula and preparation process of existing sponge material, obtain it is a kind of have low tensile strength, the sponge material of high elongation rate, its tensile strength is only 0.21 0.27 kg/cm2, elongation reaches 57 69%, meets particular/special requirement of the retainer ring to spongy layer, overcomes that traditional sponge tensile strength of material is higher, elongation is relatively low, tensile property is poor, inadaptable the problem of being used as retainer ring spongy layer.

Description

A kind of sponge material with low tensile strength and preparation method thereof
Technical field
The present invention relates to sponge material field, more particularly to a kind of sponge material and its preparation side with low tensile strength Method.
Background technology
Traction is the effect using additional tractive force and counterextension power, and limbs or trunk are pulled, with up to To treatment and the purpose of auxiliary treatment.Draw existing reset and have fixation, be widely used in orthopaedics, be a kind of simple and effective Treatment method, especially for inoperable patient, therapeutic purposes can also be reached by traction.Various skeletal tractions are The utensils such as spicule, traction bow, rope, hitch frame and traction counterweight by being fixed on privileged site are carried out to fracturing, dislocating Slowly reset, it is both a kind of method of reset, may also function as good fixation.Bone traction must be according to fractures Position, age, different adjustment leads, the weight of classification of fracture.
It is general to use when causing Cervical stenosis or displacement when cervical vertebra is because of damage caused by internal and external cause or chronic disease Skull traction device makes cervical vertebra fix and reset.But traditional skull traction device structure is relatively simple, it is general only One traction bow, a traction bow only have two fixing points, cause it to draw limited strength, and traction effect is poor, moreover, traction Bend the flexible deformation during prolonged traction, cause patient to bear extra pain, traction effect treatment is poor, cervical vertebra Fixed and reset is more difficult, and treatment time is extended, meanwhile, deformed traction bow can not be recovered by conventional method to original Shape, thus scrappage is generally ranged, this obviously causes traction bow waste, moreover, skull traction device belongs to more expensive Medical instrument, premature failure skull traction device can undoubtedly increase medical treatment cost.
Simultaneously as skull traction device can be worn over the head of patient for a long time, and head is easily perspired fuel-displaced and is grown thin Bacterium, and then easily head wound is caused to infect, the retainer ring of traditional skull traction device is simultaneously airtight, is solving the problems, such as this When, head is cleaned again after usually skull traction device is removed, to prevent bacteria breed, it is clear that in distraction procedure In to pull down and install skull traction device not only troublesome, and can seriously reduce traction effect, patient be brought on bigger body Pain.
The Curve guide impeller that cushion is another patent application of the invention is set in the inner wall of retainer ring, due to skull traction Device is mainly formed with metal parts, its rigidity is larger, such as retainer ring, and after patient wears, experience sense and comfort are very Difference, particularly when skull traction device and patients head's matching degree are poor, therefore patient can bear larger pain, be unfavorable for Traction therapeutic is carried out to patient, to solve the problems, such as this, in another patent application of the applicant, the inner wall bonding of retainer ring One circle spongy layer, using spongy layer as the cushion between retainer ring and head, it can not only solve retainer ring and rigidly extrude The technical problem on head, can also infiltrate head by spongy layer, make cleaning performance more preferably, beneficial to perspiring in distraction procedure Oil removing, effectively prevents bacteria breed.However, since the diameter of the retainer ring of applicant is variable, after setting spongy layer, due to sponge The tensile property of layer is poor, it is unfavorable for the expanding operation of retainer ring, and then occurs applying contradiction, and changes and make other technologies hand When section is to solve the contradiction, it does not reach using technique effect caused by sponge again, if it is possible to improve the drawing of sponge Performance is stretched, this can overcome spongy layer applying the defects of upper very well.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of sponge with low tensile strength Material and preparation method thereof, by varying the formula and preparation process of existing sponge material, obtain it is a kind of have low tensile strength, The sponge material of high elongation rate, and then meet particular/special requirement of the retainer ring to spongy layer, thus overcome traditional sponge material to stretch The problem of intensity is higher, elongation is relatively low, tensile property is poor.
The technical solution adopted by the present invention is as follows：A kind of sponge material with low tensile strength, it is characterised in that described Sponge material is made of the component of following parts by weight：90 parts of ethane-acetic acid ethyenyl ester, 13-15 parts of APAO PT, synthetic rubber 20-30 parts, 3-5 parts of rubber softening oil, 6-9 parts of calcium carbonate powder, 4-7 parts of adhesive resin, 3-6 parts of diatom ooze, foaming agent 8- 13 parts, 0.2-0.6 parts of cumyl peroxide, 0.5-1 parts of emulsifying agent, 1-2 parts of dispersant, 0.2-0.6 parts of vulcanizing agent.
Further, one or more of the synthetic rubber in butadiene rubber, butadiene-styrene rubber, Oppanol.
Further, synthetic rubber is butadiene rubber.
Further, the granularity of diatom ooze is between 350-400 mesh.
Further, the granularity of calcium carbonate powder is between 200-300 mesh.
Present invention additionally comprises a kind of preparation method of the sponge material with low tensile strength, comprise the following steps：
Step 1, by ethane-acetic acid ethyenyl ester, APAO PT, diatom ooze and adhesive resin in mould is reacted be uniformly mixed, obtain To first mixed thing；
Synthetic rubber, dispersant, calcium carbonate powder and emulsifying agent, be placed in kneading machine and be kneaded 1-3min by step 2；
Step 3, when sizing material temperature reaches 90 DEG C, add just mixed thing, rubber softening oil, vulcanizing agent, foaming agent and peroxidating two Isopropylbenzene, is uniformly mixed, and is kneaded 1-3min, then treats that it slowly foams, and after having foamed, takes out processing and cuts into slices to obtain the final product.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：A kind of tool provided by the invention There is sponge material of low tensile strength and preparation method thereof, by varying the formula and preparation process of existing sponge material, obtain A kind of to have low tensile strength, the sponge material of high elongation rate, its tensile strength is only 0.21-0.27 kg/cm2, elongation reaches To 57-69%, particular/special requirement of the retainer ring to spongy layer is met, overcomes that traditional sponge tensile strength of material is higher, elongation It is relatively low, tensile property is poor, inadaptable the problem of being used as retainer ring spongy layer.
Brief description of the drawings
Fig. 1 is the three dimensional structure diagram of the skull traction device of the present invention；
Fig. 2 is the Stiff Block partial cross-sectional structural diagram of the present invention；
Fig. 3 is the connection central part main structure diagram of the present invention；
Fig. 4 is the connection central part schematic cross-sectional view of the present invention.
Marked in figure：1 is retainer ring, and 2 be Stiff Block, and 201 be air hole, and 3 be elastomer block, and 4 be locating sleeve, and 5 be to lead Draw screw, 6 be pressing portion, and 7 be traction syringe needle, and 8 be traction bow, and 9 be connection central part, and 901 be connection housing, and 902 be screw rod, 903 be connection cover, and 904 be sleeve, and 905 be boss, and 10 be retaining ring, and 11 be spongy layer.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
As shown in Figures 1 to 4, a kind of skull traction device, includes the retainer ring 1 of cyclic structure, and retainer ring 1 includes rigidity Block 2 and the elastomer block 3 that can be stretched, Stiff Block 2 are staggered with elastomer block 3 and are fixedly connected to form retainer ring 1, that is to say Say, the diameter of the annular ring that retainer ring 1 is surrounded can adjust to obtain suitably sized by tensile elasticity block 3.Stiff Block 2 Middle part be provided with locating sleeve 4, locating sleeve 4 is vertical and is fixedly mounted on Stiff Block 2 towards on the side wall outside retainer ring 1, fixed Coordinate in the casing 4 of position and traction screw 5 is installed, one end of the remotely located casing 4 of traction screw 5 is fixedly connected with pressing portion 6, traction The other end of screw 5 is through locating sleeve 4 and Stiff Block 2 and forms traction syringe needle 7, and traction screw 5 can be in 4 He of locating sleeve Being moved between Stiff Block 2 along the axis direction of traction screw 5, traction screw 5 can form thread fitting with locating sleeve 4, into And realize that precession and back-out of the traction syringe needle 7 in retainer ring 1 operate by rotating pressing portion 6.
In order to preferably fix retainer ring 1, prevent retainer ring 1 from being slided on head, the top of Stiff Block 2 is fixed The traction bow 8 of arched shape is connected with, the both ends of traction bow 8 are fixedly connected with Stiff Block 2, and traction bow 8 is across whole Retainer ring 1, the i.e. spanwise dimension of traction bow 8 are not less than the annular ring diameters size of retainer ring 1.The top of retainer ring 1 sets more Root traction bow 8, the intersecting centrally disposed connection central part 9 of more traction bows 8, more traction bows 8 are realized by connecting central part 9 The fixation of angle each other, connects and is provided with retaining ring 10 on central part 9, for connecting rope, easy to place traction counterweight.
Further, in order to make the angle between the preferably fixed traction bow 8 of connection central part 9, central part 9 is connected Including the connection housing 901 with hollow structure, the side wall of connection housing 901 is equipped with perforation（Do not marked in figure）, in order to lead Draw a bow and 8 pass through, the offset of traction bow 8, and then the technology of the angle between fixed traction bow 8 are limited by perforating Effect, draw is better achieved easy to skull traction device.Further, in order to make traction bow 8 in installation process not It can shift and rock, so that skull traction device more smoothly and is more stably installed on the head of patient, in connection housing In 901, connect the bottom of housing 901 vertically and be fixedly connected with screw rod 902, external screw thread is provided with screw rod 902, connect housing 901 upper surface is opened wide and is sealed by connection cover 903, and the top of connection cover 903 sets retaining ring 10, and connection cover 903 is towards connection Vertical in the middle part of the inner wall of housing 901 to fix and be connected with sleeve 904, sleeve 904 has hollow structure, and the inner wall of sleeve 904 is set Internal thread is equipped with, screw rod 902 compresses traction bow 8 through traction bow 8 and 904 thread fitting of sleeve, and then by sleeve 904.More Further, in order to improve the compression effect of sleeve 904, the bottom of screw rod 902 is outwards expanding to form boss 905, passes through boss The extruding of 905 spacing and sleeve 904 makes traction bow 8 firmly be fixed in connection housing 901.
Further, it is contemplated that skull traction device can be worn over the head of patient for a long time, and the present invention is set on Stiff Block 2 Multiple air holes 201 are equipped with, as shown in Fig. 2, air hole 201 is distributed on Stiff Block 2, the setting of air hole 201 on the one hand can With solve the problems, such as at retainer ring 1 it is airtight, easily perspire fuel-displaced, on the other hand can be dripped by air hole 201 at retainer ring 1 Add thimerosal, and then sterilize the purpose of cleaning, avoid the trouble that skull traction device is pulled down in distraction procedure, ensure Traction effect.
As an improvement embodiment, since skull traction device is mainly formed with metal parts, its rigidity Larger, after patient wears, experience sense and comfort are very poor, particularly when skull traction device and patients head's matching degree are poor When, patient can therefore and bear larger pain, be unfavorable for patient carry out traction therapeutic, to solve the problems, such as this, retainer ring 1 it is interior One circle spongy layer 11 of wall bonding, spongy layer 11 can form an annular coil structures along the inner wall of retainer ring 1, it can also only exist Exist on Stiff Block 2, and then form section nodular.In the present invention, since the annular ring diameters of retainer ring 1 are variable, and sponge material The tensile property of material itself is poor, therefore, can be positioned only at spongy layer 11 on the inner wall of Stiff Block 2, the inner wall of elastomer block 3 The problem of being not provided with, thus overcoming sponge material tensile property poor.By setting spongy layer 11 to buffer skull traction device Rigidity, increase retainer ring 1 flexibility, when making its head contact with patient, improve the experience sense and comfort of patient, together When retainer ring 1 can be made fully to be bonded with head, improve skull traction device and the matching degree of patients head, patient is born Pain effectively reduced, beneficial to traction operation treatment, meanwhile, spongy layer 11 can also be engaged with air hole 201 and set Put, thimerosal conveyed into spongy layer 11 by air hole 201, head is infiltrated by spongy layer 11, makes cleaning performance more preferably, Also it is beneficial to perspire oil removing in distraction procedure, effectively prevents bacteria breed at this.Further, the thickness of spongy layer 11 should not be small In 3mm, preferably between 5-10mm, more preferably 7mm.
Certainly, above-mentioned alleged spongy layer 11 can also select the inner wall with retainer ring 1 to be bonded as one, and at this time, then need Want sponge that there is higher elongation, and it also requires relatively low tensile strength.This setup is playing the institute of spongy layer 11 While the technique effect brought, additionally it is possible to limit retainer ring 1 and be excessively stretched, prevent that elastomer block 3 is out of shape to a certain extent, Retainer ring 1 is set still to restore to the original state after being stretched repeatedly.In order to meet the requirement to sponge tensile property, the present invention provides A kind of sponge material of low tensile strength, the sponge material are made of the component of following parts by weight：Ethane-acetic acid ethyenyl ester 90 Part, 13-15 parts of APAO PT, 20-30 parts of synthetic rubber, 3-5 parts of rubber softening oil, 6-9 parts of calcium carbonate powder, adhesive resin 4-7 parts, 3-6 parts of diatom ooze, 8-13 parts of foaming agent, 0.2-0.6 parts of cumyl peroxide, 0.5-1 parts of emulsifying agent, dispersant 1-2 parts, 0.2-0.6 parts of vulcanizing agent.
Further, one or more of the synthetic rubber in butadiene rubber, butadiene-styrene rubber, Oppanol, it is excellent Elect butadiene rubber as；The granularity of diatom ooze is not less than 300 mesh, and the granularity of diatom ooze is preferably between 350-400 mesh；Paris white The granularity at end is between 200-300 mesh.
In above-mentioned, due to adding synthetic rubber into sponge, the tensile property of sponge is set to be significantly improved, it is and general Work sponge is compared in Tonghua, the tensile property of sponge material of the invention（Characterized with elongation）Higher than general chemical sponge several times, Compared with cellular rubber, the tensile property of sponge material of the invention is less than cellular rubber, and sponge material of the invention is pulled apart Intensity is below general chemical sponge and cellular rubber, therefore, when it is used to the retainer ring of skull traction device, solid During determining ring reducing, it is smaller that what sponge was provided pulls power, it is not necessary to which the larger power of operator's application is expanding with regard to that can carry out, and draws Face is more easy to be stretched and will not be torn, it not only overcomes the problem of general chemical sponge tensile property is low, also overcomes rubber Gelatin sponge breaking strength is big, it is necessary to the problem of applying more energetically, is particularly suitable as the buffer layer structure of retainer ring.
Further, the preparation method of above-mentioned sponge material comprises the following steps：
Step 1, by ethane-acetic acid ethyenyl ester, APAO PT, diatom ooze and adhesive resin in mould is reacted be uniformly mixed, obtain To first mixed thing；
Synthetic rubber, dispersant, calcium carbonate powder and emulsifying agent, be placed in kneading machine and be kneaded 1-3min by step 2；
Step 3, when sizing material temperature reaches 90 DEG C, add just mixed thing, rubber softening oil, vulcanizing agent, foaming agent and peroxidating two Isopropylbenzene, is uniformly mixed, and is kneaded 1-3min, then treats that it slowly foams, and after having foamed, takes out processing and cuts into slices to obtain the final product.
Further, some embodiments of the sponge material of the present invention are exemplified below, as shown in table 1.
The some embodiments of 1 sponge material of table
Further, it is low to solve traditional sponge tensile property the present invention also provides PU sponge material of the another kind without rubber Problem, the PU sponge materials are made of the component of following parts by weight：Polyether polyol is 50-60 parts, polyester polyol 45- 55 parts, 100-130 parts of diisocyanate, 5-8 parts of metallic fiber, catalyst is 4-7 parts, and crosslinking agent is 10-14 parts, foaming agent 10-13 parts.
In above-mentioned, polyether polyol is reacted by polyhydroxy-alcohol and propylene oxide to be made, and wherein polyhydroxy-alcohol is propoxylation Glycerine polyol, obtained polyether polyol molecular mass are 2000-2500, the polyester polyol by terephthalic acid (TPA) with it is sweet Oil condensation forms；The foaming agent is preferably pentamethylene, and the crosslinking agent is preferably industrial castor oil.
Further, PU sponge materials can also add antioxidant, and the addition of antioxidant is the 1-3 of total weight parts Part.
Further, zinc stearate can be also added in PU sponge materials, to improve the demolding performace of material, zinc stearate Addition is 1-3 parts of total weight parts.
Further, silane coupling agent and dispersant can be also added in PU sponge materials, silane coupling agent and dispersant Addition be respectively total weight parts 1-3 parts and 0.5-1 parts.
Further, the present invention creatively adds metallic fiber, the metallic fiber be selected from copper fiber, aluminum fiber, One or more in iron fiber, be preferably copper fiber, at the same time, it is desirable to the filament diameter of metallic fiber between 10-20 μm, and And the metallic fiber monofilament of two kinds of different length specifications is included, the monofilament draw ratio of the metallic fiber of one of which specification is（40- 50）：1, the monofilament draw ratio of the metallic fiber of another specification is（4-5）：1, compared with the usage amount of the metallic fiber of long size（With Weight basis）It is 25-30 times of the usage amount of the metallic fiber of shorter specification.It is excellent that ductility is added first into sponge Metallic fiber, when sponge is being pullled extension, the addition of metallic fiber makes the ductility of sponge effectively improve, and then makes In the case where being stretched, sponge is not easy to be torn sponge, sponge is provided with preferable tensile property.And length metal The comprehensive use of fiber, it can form the network structure of space three-dimensional in sponge matrix, thus overcome single gauge metal The problem of overlap joint blind area that fiber occurs, become apparent from the effect of metal fiber reinforced sponge tensile property, sponge is being drawn When stretching, compressing, the defects of being less prone to fold, crackle, sponge stability is strengthened.
In above-mentioned, the preparation method of PU sponge materials comprises the following steps：
Metallic fiber, diisocyanate and auxiliary agent, be proportionally added into blender by step 1, is uniformly mixed, mixing speed Control is controlled in 3-5min in 400rad/min, mixing time, obtains mixture, and heating mixture is stand-by to 40 DEG C；Wherein, The auxiliary agent can according to be actually needed selection addition, such as auxiliary agent can include antioxidant, zinc stearate, silane coupling agent and One or more in dispersant；
Step 2, compounded polyether polyol and polyester polyol by design proportion, then adds catalyst, crosslinking agent and foaming Agent, stirs evenly at normal temperatures, and mixing speed control is in 400rad/min, and mixing time control is in 5-8min, after stirring evenly, Quickly stirred after adding the mixture measured, mixing speed 2800rad/min, mixing time is controlled in 1-3min It is interior, after the completion of stirring, mixture liquid is injected in reactor；
Step 3, be preheated to 45-60 DEG C by reactor in advance, after mixture liquid injection, seals reactor, waits curing to be foamed；
After step 4, curing to be foamed, wait 20min to obtain the final product.
In above-mentioned preparation method, to make metallic fiber preferably give play to effect, metallic fiber needs modification, changes Property processing method include：With silane coupling agent at 100 DEG C, modified metal fiber, reacts 6-8h in deionized water.
Further, some embodiments of the PU sponge materials of the present invention are exemplified below, as shown in table 2.
The some embodiments of 2 PU sponge materials of table
Further, the embodiment 1-5 of embodiment 1-5 and the PU sponge material of the above-mentioned sponge material with high tensile property Main performance is as shown in table 3.
The Specifeca tion speeification of 3 embodiment of table
Note：Above-mentioned performance parameter is to test to obtain with reference to corresponding national standard, such as can refer to GB10807 and accordingly tested.
It can be obtained by table 3, by the way that the a1-a5 of the present embodiment and b1-b5 is compared with cellular rubber and polyester sponge Obtain, the tensile strength of sponge material of the invention is respectively less than cellular rubber and polyester sponge, is respectively 0.21-0.30 kg/ cm2With 0.25-0.35 kg/cm2, its elongation is more than polyester sponge, and is less than cellular rubber, is respectively 57-69% and 61- 78%, and for retainer ring, its expanding size range is limited, its be depending on human skull's size, it is and most The difference of the skull size of people is not over 1/2 times, and therefore, the elongation of sponge of the invention disclosure satisfy that retainer ring to sponge The requirement of elongation, and its tensile strength is less than general sponge, beneficial to the expanding operation of retainer ring, and then solves existing sponge The problem of existing tensile strength is high, elongation is relatively low, and synthesis tensile property is poor.Meanwhile by embodiment a1-a5 and b1- B5 is contrasted to obtain, and the elongation and tensile strength of the obtained sponge materials of embodiment a1-a5 are slightly below embodiment b1- The sponge material of b5, and its breaking strength is then slightly above the sponge material of embodiment b1-b5, therefore can be according to actual needs pair The sponge material and PU sponge materials of the low tensile strength of the present invention are suitably selected, when needing relatively low tensile strength, The sponge material with low tensile strength of the present invention may be selected, when needing higher elongation, the PU of the present invention may be selected Sponge material.
Further, in order to prevent traction screw 5 drill it is too deep, be provided between traction screw 5 and pressing portion 6 depth quarter Scale designation（It is not drawn into figure）, when the tip of the traction syringe needle 7 of traction screw 5 and the inner wall in the vertical direction of Stiff Block 2 are neat Usually, the port edge of 4 cantilever end of locating sleeve is flushed with the start index line in the vertical direction that deep calibration marks, when leading When drawing 5 precession of screw, the port edge in the vertical direction of 4 cantilever end of locating sleeve corresponds to the graduation mark of deep calibration mark Position represented by scale value, be precession deep amount, thus facilitate operating personnel accurately to control precession amount, avoid exceeding Inner table of skull and damage brain tissue.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.

Claims (6)

  1. A kind of 1. sponge material with low tensile strength, it is characterised in that the sponge material by following parts by weight component Composition：90 parts of ethane-acetic acid ethyenyl ester, 13-15 parts of APAO PT, 20-30 parts of synthetic rubber, 3-5 parts of rubber softening oil, carbonic acid 6-9 parts of calcium powder, 4-7 parts of adhesive resin, 3-6 parts of diatom ooze, 8-13 parts of foaming agent, cumyl peroxide 0.2-0.6 Part, 0.5-1 parts of emulsifying agent, 1-2 parts of dispersant, 0.2-0.6 parts of vulcanizing agent.
  2. 2. there is the sponge material of low tensile strength as claimed in claim 1, it is characterised in that synthetic rubber is selected from along fourth rubber One or more in glue, butadiene-styrene rubber, Oppanol.
  3. 3. there is the sponge material of low tensile strength as claimed in claim 1, it is characterised in that synthetic rubber is along fourth rubber Glue.
  4. 4. there is the sponge material of low tensile strength as claimed in claim 1, it is characterised in that the granularity of diatom ooze is in 350- Between 400 mesh.
  5. 5. there is the sponge material of low tensile strength as claimed in claim 1, it is characterised in that the granularity of calcium carbonate powder exists Between 200-300 mesh.
  6. 6. the preparation method of the sponge material with low tensile strength as claimed in claim 1, it is characterised in that including following Step：
    Step 1, by ethane-acetic acid ethyenyl ester, APAO PT, diatom ooze and adhesive resin in mould is reacted be uniformly mixed, obtain To first mixed thing；
    Synthetic rubber, dispersant, calcium carbonate powder and emulsifying agent, be placed in kneading machine and be kneaded 1-3min by step 2；
    Step 3, when sizing material temperature reaches 90 DEG C, add just mixed thing, rubber softening oil, vulcanizing agent, foaming agent and peroxidating two Isopropylbenzene, is uniformly mixed, and is kneaded 1-3min, then treats that it slowly foams, and after having foamed, takes out processing and cuts into slices to obtain the final product.
CN201711276231.5A 2017-12-06 2017-12-06 A kind of sponge material with low tensile strength and preparation method thereof Withdrawn CN107903488A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112321884A (en) * 2020-11-06 2021-02-05 长春旷达汽车内饰件有限公司 Composite process technological method
CN113583465A (en) * 2021-09-10 2021-11-02 江苏海直格家具有限公司 High-ductility sponge material and preparation process thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112321884A (en) * 2020-11-06 2021-02-05 长春旷达汽车内饰件有限公司 Composite process technological method
CN113583465A (en) * 2021-09-10 2021-11-02 江苏海直格家具有限公司 High-ductility sponge material and preparation process thereof

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