WO2016155071A1 - 一种橡胶粘结剂及该橡胶粘结剂应用于eva鞋底黏合的工艺方法 - Google Patents

一种橡胶粘结剂及该橡胶粘结剂应用于eva鞋底黏合的工艺方法 Download PDF

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WO2016155071A1
WO2016155071A1 PCT/CN2015/077979 CN2015077979W WO2016155071A1 WO 2016155071 A1 WO2016155071 A1 WO 2016155071A1 CN 2015077979 W CN2015077979 W CN 2015077979W WO 2016155071 A1 WO2016155071 A1 WO 2016155071A1
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rubber
eva
mold
binder
elastic resin
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PCT/CN2015/077979
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English (en)
French (fr)
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张增红
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张增红
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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/28—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
    • A43B13/32—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels by adhesives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J153/02—Vinyl aromatic monomers and conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes

Definitions

  • the invention relates to an adhesive and a method for using the same, in particular to a rubber adhesive in the process of making an EVA sole and an EVA sole bonding process using the rubber adhesive.
  • the traditional method of sole production usually includes three steps of rubber bottom production process, EVA midsole production process, rubber bottom and EVA midsole bonding process.
  • the rubber bottom production process needs to first open the rubber mold, then put the rubber bottom ingredients into the mixer and mix them to the rubber film according to the required thickness. After proper cutting, put them into the rubber mold and press the mold to pressurize. Finishing the rubber sole to produce the finished rubber sole, then roughing or washing the rubber bottom, applying glue and baking in the oven; in the second step, the EVA foaming mold and the EVA midsole finished mold are respectively required in the EVA midsole production process.
  • the specific steps need to firstly mix the EVA midsole production ingredients in the internal mixer and then extrude the EVA particles.
  • the EVA particles are placed in the EVA foaming mold and the mold is heated and foamed to make the foamed EVA mid-base blast. After roughing, put it into the midsole finished mold and press the mold to pressurize and make the EVA midsole, and then follow the steps of trimming, washing, brushing the glue, baking in the oven, etc.; the third step is to take the above two steps.
  • the glued rubber bottom product produced in the middle and the EVA midsole are attached together, and the entire rubber sole manufacturing process can be completed by pressing the bottom of the bottom machine.
  • the traditional EVA sole production process has the following defects: First, the traditional process requires a total of three sets of molds, and the cost of opening the mold is considerable. If the number of molds can be saved as much as possible in the production process, not only can the process be streamlined, but more important. The production cost can be saved. Second, the rubber bottom production process and the EVA midsole production process in the traditional process need to be thickened, washed, glued, and ovend, respectively, and the process is cumbersome; Vulcanization and trimming are required during the manufacturing process, which can result in waste of rubber trim. Therefore, in line with the principle of reducing costs, saving labor and time, it is necessary to have better production processes to replace traditional processes.
  • the object of the present invention is to provide an EVA sole that can save cost, save time and labor. Production process and rubber binder used in the production process.
  • a rubber binder characterized in that the rubber binder is distributed in a percentage by weight of each group: 60% to 65% of an elastic resin; 3% to 6% of a naphthenic oil; 8% to 12% of an EVA; Artificial rubber 8% to 12%; white carbon black 12% to 18%.
  • the rubber binders have a distribution ratio of each group by weight percentage: elastic resin 62%; naphthenic oil 3%; EVA 10%; elastomer 10%; white carbon black 15%.
  • the rubber binders have a distribution ratio of each group of weight percent: elastic resin 60%; naphthenic oil 5%; EVA 8%; elastomer 12%; white carbon black 15%.
  • the rubber binders have a distribution ratio of each group by weight: 64% of elastic resin; 5% of naphthenic oil; 11% of EVA; 8% of artificial rubber; and 12% of white carbon black.
  • the elastic resin is SBS elastic resin or TPU elastic resin; the naphthenic oil is cyclopentane; and the artificial rubber is IR-2200.
  • the rubber adhesive is applied to a process for bonding an EVA sole, comprising the following steps:
  • the rubber binder and the rubber formulation for making the rubber sole are weighed in a weight ratio of 8:92, and the mixing temperature of the input into the internal mixer is 100 ° C.
  • the mixing time was 7 min; the temperature in the step 4) was 155 ° C to 210 ° C for 10 min, and the mold was cooled with normal temperature water for 10 min.
  • the heating temperature at the time of mold clamping in step 4) is 180 °C.
  • the main component of the main component of the rubber binder of the present invention is SiO 2 .
  • EVA midsole finished mold A mold that molds the EVA midsole semi-finished product into an EVA midsole finished product.
  • Rubber mold A mold that molds rubber into a rubber backsheet.
  • EVA foaming mold A mold in which EVA particles are foamed into an EVA semi-finished product close to the shape of the finished midsole, that is, a mold for making an EVA midsole initial blast.
  • EVA midsole initial embryo refers to the EVA midsole semi-finished product which is foamed close to the shape of the finished midsole. It is called EVA primordial block before being molded into the EVA midsole mold. After the molding is completed, it is called EVA midsole finished product.
  • EVA midsole refers to the finished product after molding the EVA midsole primordial into the EVA midsole finished mold.
  • the traditional process requires the opening of rubber molds, each set of molds is about $1400, the molding of a pair of rubber soles is about $0.9, the rubber burrs are more than 30%, the rubber bottom is thickened and the syrup treatment and the glue and EVA midsole treatment and glue are used. Cost of rubber and midsole fit, etc.
  • a pair of combined rubber and EVA bottoms at least 20% labor and manufacturing costs. This is equivalent to a savings of $0.4 to 0.6 per pair of finished EVA soles.
  • the invention discloses a rubber binder, and the distribution ratio of each group is: SBS Elastic resin 62%; cyclopentane 3%; EVA 10%; 10% elastomer IR-2200; white carbon black 15%.
  • the rubber binders were distributed in percentage groups by weight: TPU elastomer resin 60%; cyclopentane 5%; EVA 8%; 12% elastomer IR-2200; white carbon black 15%.
  • the synthetic production method of the rubber binder is the same as in the first embodiment.
  • the rubber binders were distributed in percentage groups of: TPU elastomer resin 64%; cyclopentane 5%; EVA 11%; 8% elastomer IR-2200; white carbon black 12%.
  • the synthetic production method of the rubber binder is the same as in the first embodiment.
  • the invention also discloses a process for bonding EVA soles, which utilizes the above rubber adhesives, and the specific steps are as follows:
  • the rubber binder granules and the rubber formulation for making the rubber sole are weighed according to the weight ratio of 6 to 10:90 to 100 (preferably 8:92), and are uniformly mixed in an internal mixer, and the mixing temperature is about 100 ° C. , mixing time is 5 to 10 min;
  • the EVA midsole finished mold containing the rubber backsheet containing the binder of the present invention and the EVA midsole primordial piece is clamped and pressurized to a pressure of 100 kg/cm 2 and a heating temperature of 155 ° C to 210 ° C (preferred) 180 ° C), the pressing time is 8 ⁇ 12min, and then the mold is cooled with normal temperature water for 8-10min, at this time EVA and rubber have been bonded together, removed from the mold and then burr to get the EVA finished sole.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

本发明涉及一种橡胶粘结剂及该橡胶粘结剂应用于EVA鞋底黏合的工艺方法，其中橡胶粘结剂按重量百分比计各组分配比为：弹性树脂60％～65％；环烷油3％～6％；EVA 8％～12％；人工橡胶8％～12％；白炭黑12％～18％。工艺方法为将橡胶粘结剂与橡胶配方按照6～10：90～100的比例混匀制成橡胶底片，然后将橡胶底片与EVA中底初胚块一起放入模具中模压成形制成EVA鞋底成品。本发明具有节省成本、省时、省工的有点。

Description

一种橡胶粘结剂及该橡胶粘结剂应用于EVA鞋底黏合的工艺方法 技术领域
本发明涉及一种粘结剂及其使用方法，具体涉及EVA鞋底制作过程中的橡胶粘结剂及使用所述橡胶粘结剂的EVA鞋底黏合工艺领域。
背景技术
目前在制鞋领域中，传统的鞋底生产方式通常包括橡胶底生产流程、EVA中底生产流程、橡胶底与EVA中底贴合流程三大步骤。其中第一步，橡胶底生产流程需要先开出橡胶模具，然后将橡胶底配料放入密炼机混匀按照要求厚度出橡胶底片，适当裁剪后放入橡胶模具中合模加压进行硫化、修毛边制出橡胶底成品，然后经过橡胶底打粗或水洗，涂抹胶水并且过烤箱烘烤；第二步，EVA中底生产流程中分别需要开出EVA发泡模具和EVA中底成品模具，具体步骤需要先在密炼机中将EVA中底生产配料混合均匀后挤出EVA粒子，然后将EVA粒子放入EVA发泡模具中合模加热发泡制出发泡好的EVA中底初胚块，经过打粗后再放入中底成品模具中合模加压制成EVA中底，后续再经过修毛边、水洗、刷胶水、过烤箱烘烤等步骤备用；第三步，将上述两步中生产的涂抹胶水的橡胶底成品及EVA中底贴合在一起，通过压底机压底才能完成整个橡胶鞋底制作工艺。
现在传统的EVA鞋底生产工艺中存在如下缺陷：一、传统工艺过程一共需要开具三套模具，而开具模具的费用比较可观，如果在生产过程中能够尽量节省模具数量，不只能够精简工艺，更重要的是可以节省生产成本；二、传统工艺中橡胶底生产流程和EVA中底生产流程中都分别需要对成品进行打粗、水洗、涂抹胶水、过烤箱等步骤，工序繁琐；三、在橡胶底制作过程中需要进行硫化和修边，这样会造成橡胶边角料的浪费。因此，本着降低成本、省工省时的原则，还需要有更好的生产工艺来替代传统工艺。
发明内容
本发明的目的是提供一种能够节省成本、且省时、省工的EVA鞋底生 产工艺以及在该生产工艺中使用的橡胶粘结剂。
本发明的技术方案如下：
一种橡胶粘结剂，其特征在于所述橡胶粘结剂按重量百分比计各组分配比为：弹性树脂60％～65％；环烷油3％～6％；EVA 8％～12％；人造橡胶8％～12％；白炭黑12％～18％。
所述橡胶粘结剂按重量百分比计各组分配比为：弹性树脂62％；环烷油3％；EVA 10％；人造橡胶10％；白炭黑15％。
所述橡胶粘结剂按重量百分比计各组分配比为：弹性树脂60％；环烷油5％；EVA 8％；人造橡胶12％；白炭黑15％。
所述橡胶粘结剂按重量百分比计各组分配比为：弹性树脂64％；环烷油5％；EVA 11％；人造橡胶8％；白炭黑12％。
所述弹性树脂为SBS弹性树脂或TPU弹性树脂；环烷油为环戊烷；人造橡胶为IR-2200。
所述的橡胶粘结剂应用于EVA鞋底黏合的工艺方法，包括如下步骤：
1)将权利要求1～5任一权利要求所述的橡胶粘结剂与制作橡胶鞋底的橡胶配方按照6～10：90～100的重量比例称取，投入密炼机混合均匀，混合温度为90～120℃，混合时间为5～10min；
2)将混匀后含有所述橡胶粘结剂的橡胶底片按照所需厚度出片，并用斩刀按照所需形状裁剪成型；
3)将所述裁剪成型的橡胶底片放入EVA中底成品模具中，然后再放入预先加工好的EVA中底初胚块；
4)将上述含有橡胶底片和EVA中底初胚块的EVA中底成品模具合模加压至压力为100kg/CM2，加热温度为155℃以上，加压时间为8～12min，再将模具用常温水冷却8～12min，从EVA中底成品模具中取出所述成型好的橡胶底片与EVA中底初胚块粘着在一起的EVA鞋底去毛边后形成成品EVA鞋底。
优选的，在EVA鞋底黏合工艺方法的步骤1)中橡胶粘结剂与制作橡胶鞋底的橡胶配方称取重量比例为8：92，投入密炼机的混合温度为100℃， 混合时间为7min；步骤4)中合模加压时的温度为155℃～210℃，时间为10min，再将模具用常温水冷却10min。
优选的，步骤4)中合模加压时的加热温度为180℃。
本发明橡胶粘结剂中主要成分白炭黑的主要成分是SiO2。
EVA中底成品模具：将EVA中底半成品模压成EVA中底成品的模具。
橡胶模具：指将橡胶模压成型为橡胶底片的模具。
EVA发泡模具：将EVA粒子发泡成接近成品中底形状的EVA半成品的模具，也就是制作EVA中底初胚块的模具。
EVA中底初胚块：指将发泡好的接近成品中底形状的EVA中底半成品，放入EVA中底模具模压前叫做EVA初胚块，成型完成后叫EVA中底成品。
EVA中底：指将EVA中底初胚块放入EVA中底成品模具中模压成型后的成品。
本发明的优点是：
1、不用开橡胶底模具，节省模具费用。
2、无橡胶模压成型流程，简化流程，省人工及制造费用，省模压橡胶底毛边之损耗。
3、无橡胶底与EVA中底的贴合流程，不需要使用任何溶剂及胶水,省工省费用，绿色环保。
4、使用自己研发的橡塑粘结剂，橡胶底与EVA中底粘着效果也很好。
综上:传统流程中需开橡胶模具，每套模具约$1400,模压一双胶底约$0.9,橡胶毛边损耗30％以上，耗费橡胶底打粗及药水处理及胶水和EVA中底药水处理及胶水，耗费橡胶与中底贴合费用等。通过成本计算，与传统流程生产方式比较，使用本发明橡胶粘结剂的橡胶鞋底生产工艺中，一双组合好的橡胶及EVA底至少省人工及制造费用20％。相当于每双成品EVA鞋底节省$0.4～0.6。
具体实施方式
实施例1
本发明公开了一种橡胶粘结剂，按重量百分比计各组分配比为：SBS 弹性树脂62％；环戊烷3％；EVA 10％；10％的人造橡胶IR-2200；白炭黑15％。
先按照橡胶粘结剂的上述配方称量好相应的量，将所有组分投入密炼机在90～120℃的温度下混合6min将各组分混匀，然后投入造粒机挤压造粒生成本发明橡胶粘结剂颗粒。
实施例2
该橡胶粘合剂按重量百分比计各组分配比为：TPU弹性树脂60％；环戊烷5％；EVA 8％；12％的人造橡胶IR-2200；白炭黑15％。
橡胶粘结剂的合成生产方法同实施例1。
实施例3
该橡胶粘合剂按重量百分比计各组分配比为：TPU弹性树脂64％；环戊烷5％；EVA 11％；8％的人造橡胶IR-2200；白炭黑12％。
橡胶粘结剂的合成生产方法同实施例1。
实施例4
本发明还公开了一种EVA鞋底黏合的工艺方法，该方法利用了上述橡胶粘合剂，具体步骤为：
1)将上述橡胶粘结剂颗粒与制作橡胶鞋底的橡胶配方按照6～10：90～100(优选的8：92)的重量比例称取，投入密炼机混合均匀，混合温度为100℃左右，混合时间为5～10min；
2)将混匀后含有所述橡胶粘结剂的橡胶底片按照所需厚度出片，并用斩刀按照所需形状裁剪成型；
3)将裁剪成型的橡胶底片放入EVA中底成品模具中，然后再放入预先加工好的EVA中底初胚块(EVA中底初胚块的预加工过程为首先开出EVA发泡模具；然后依据制作EVA中底初胚块的配料配方将相应配比的配料放入密炼机均匀混合后，通过造粒机造粒生成EVA颗粒；接下来将EVA颗粒放入EVA发泡模具中合模发泡，发泡压力100kg/cm2，发泡时间10min，温度165℃～190℃；再接下来将发泡好的EVA中底初胚块从EVA模具中取出，打粗去表皮)；
4)将放入了含有本发明粘结剂的橡胶底片和EVA中底初胚块的EVA中底成品模具合模加压至压力为100kg/CM2，加热温度为155℃～210℃(优选180℃)，加压时间为8～12min，然后再将模具用常温水冷却8-10min，此时EVA与橡胶已经粘合在一起，从模具中取出后去毛边得到EVA成品鞋底。

Claims (8)

  1. 一种橡胶粘结剂，其特征在于所述橡胶粘结剂按重量百分比计各组分配比为：弹性树脂60％～65％；环烷油3％～6％；EVA8％～12％；人造橡胶8％～12％；白炭黑12％～18％。
  2. 根据权利要求1所述的一种橡胶粘结剂，其特征在于所述橡胶粘结剂按重量百分比计各组分配比为：弹性树脂62％；环烷油3％；EVA10％；人造橡胶10％；白炭黑15％。
  3. 根据权利要求1所述的一种橡胶粘结剂，其特征在于所述橡胶粘结剂按重量百分比计各组分配比为：弹性树脂60％；环烷油5％；EVA8％；人造橡胶12％；白炭黑15％。
  4. 根据权利要求1所述的一种橡胶粘结剂，其特征在于所述橡胶粘结剂按重量百分比计各组分配比为：弹性树脂64％；环烷油5％；EVA11％；人造橡胶8％；白炭黑12％。
  5. 根据权利要求1所述的一种橡胶粘结剂，其特征在于所述弹性树脂为SBS弹性树脂或TPU弹性树脂；环烷油为环戊烷；人造橡胶为IR-2200。
  6. 一种权利要求1～5任一权利要求所述的橡胶粘结剂应用于EVA鞋底黏合的工艺方法，包括如下步骤：
    1)将权利要求1～5任一权利要求所述的橡胶粘结剂与橡胶按照6～10：90～100的重量比例称取，投入密炼机混合均匀，混合温度为90～120℃，混合时间为5～10min；
    2)将混匀后含有所述橡胶粘结剂的橡胶底片按照所需厚度出片，并按照所需形状裁剪成型；
    3)将所述裁剪成型的橡胶底片放入EVA中底成品模具中，然后再放入预先加工好的EVA中底初胚块；
    4)将上述含有橡胶底片和EVA中底初胚块的EVA中底成品模具合模加压至压力为100kg/cm2，加热温度为155℃以上，加压时间为8～12min，然后再将模具用常温水冷却8～12min，取出修毛边以后得到成品EVA鞋底。
  7. 根据权利要求6所述的橡胶粘结剂应用于EVA鞋底黏合的工艺方法，其特征在于：所述步骤1)中橡胶粘结剂与制作橡胶鞋底的橡胶配方按照8： 92重量比例称取，投入密炼机的混合温度为100℃，混合时间为7min；所述步骤4)中合模加压时的加热温度为155℃～210℃，时间为10min，再将模具用常温水冷却10min。
  8. 根据权利要求7所述的橡胶粘结剂应用于EVA鞋底黏合的工艺方法，其特征在于：所述步骤4)中合模加压时的加热温度为180℃。
PCT/CN2015/077979 2015-03-30 2015-04-30 一种橡胶粘结剂及该橡胶粘结剂应用于eva鞋底黏合的工艺方法 WO2016155071A1 (zh)

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