CN1128983A - 玻璃纤维组合物 - Google Patents

玻璃纤维组合物 Download PDF

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CN1128983A
CN1128983A CN95190488A CN95190488A CN1128983A CN 1128983 A CN1128983 A CN 1128983A CN 95190488 A CN95190488 A CN 95190488A CN 95190488 A CN95190488 A CN 95190488A CN 1128983 A CN1128983 A CN 1128983A
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glass fiber
weight
fiber compound
glass
cao
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CN1045579C (zh
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A·迪梅林戈
J·巴蒂盖利
H·富尔塔克
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Saint Gobain Isover SA France
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00Fibre or filament compositions
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2213/00Glass fibres or filaments
    • C03C2213/02Biodegradable glass fibres

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Reinforced Plastic Materials (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Semiconductor Lasers (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
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Abstract

一种能生物降解的玻璃纤维组合物,其特征在于下列成分(以重量百分数计):SiO2:45到60;Al2O3:小于2;CaO+MgO:10到16;Na2O+K2O:15到23;B2O3:10到18;P2O5:0到4;BaO:0到1;其它:0到2。

Description

玻璃纤维组合物
本发明涉及一种能生物降解的玻璃纤维组合物。
现有技术描述了一些据说能生物降解的玻璃纤维组合物。
玻璃纤维组合物的生物降解性是十分重要的,因为各种研究指出:一些直径很小的、小于3微米的玻璃纤维是致癌的,而这样小的能生物降解的玻璃纤维无致癌性。
但是,不仅生物降解性极端重要,玻璃纤维或由它制成的产品的机械和热性能,玻璃纤维的电阻及玻璃纤维组合物的加工性能也都很重要。例如,玻璃纤维大量用作绝缘材料。为此,它必须具有足够的耐湿性。
玻璃纤维组合物也必须能用已知生产小直径玻璃纤维的方法,如离心技术,尤其是内离心技术(此技术在美国专利US-PS 4 203 745中叙述)加工成型。
本发明主要是提供一种新型的玻璃纤维组合物,其特征是能生物降解、稳定性好,耐湿并容易加工。
本发明发现,解决问题的方法是提供一种玻璃纤维组合物,它含有相当量的碱性氧化物和氧化硼及任选的氧化铝。
已经证明,这样的玻璃纤维组合物满足了上述所需的那些性能,即生物降解性,耐湿性和良好的加工成型性。
本发明目的是一种能生物降解的玻璃纤维组合物,其特征是它由下列成分按重量百分数组成:
    SiO2                45  ~  60
    Al2O3                  <   2
    CaO+MgO             10  ~  16
    Na2O+K2O          15  ~  23
    B2O3               10  ~  18
    P2O5                0  ~   4
    BaO                   0  ~   1
    其它                  0  ~   2。
本发明的玻璃纤维组合物可用离心技术加工。所得纤维有良好的耐湿性。十分惊奇的是这种玻璃纤维组合物显示出生物降解性。平均纤维直径最好小于10微米,在2.5~5微米间为最好。
本发明的玻璃纤维组合物最好由下列成分以重量百分数组成:
  SiO2                 45  ~  60
  Al2O3                   <   2
  CaO+MgO              10  ~  16
  Na2O+K2O               >  18
  B2O3                    <  12
  P2O5                 0  ~   4
  BaO                    0  ~   1
  其它                   0  ~   2。
根据另一优选实施例,本发明的玻璃纤维组合物含有下列重量百分组成:
  SiO2                        45  ~  60
  Al2O3                          <   2
  CaO+MgO                     10  ~  16
  Na2O+K2O                      <  18
  B2O3                           >  12
  P2O5                        0  ~   4
  BaO                           0  ~   1
  其它                          0  ~   2。
本发明的玻璃纤维组合物最好是二氧化硅含量为<57%(重量),尤其是<56.5%(重量)。
加入氧化铝可改进耐湿性。因此,本发明的组合物最好至少含0.1%(重量)的氧化铝,尤其是至少含0.5%(重量),通常是<1.5%(重量)的氧化铝。
加入五氧化二磷可增加生物降解性。因此,本发明的组合物最好至少含0.1%(重量)P2O5
根据另一优选实施例,组合物含有<2%(重量)的氧化镁。
本发明的玻璃纤维组合物的耐湿性,可由称作DGG法的标准方法测定。在DGG法中,把10克粒径在约360和400微米间的细粒玻璃放在100毫升水中,在沸点维持5小时。在快速冷却后,过滤溶液并把滤液蒸发至干。把所得干材料称重就可计算出溶在水中的玻璃量。此量以每克测试玻璃的毫克数表示。
本发明的玻璃纤维组合物的生物降解性是把1克如DGG法所述的玻璃粉放入pH为7.4的生理溶液中来测试,生理溶液的组成如下:
     NaCl                        6.78
     NH4Cl                      0.535
     NaHCO3                     2.268
     NaH2PO4H2O               0.166
     (柠檬酸钠)2H2O             0.059
     甘氨酸                      0.450
     H2SO4                     0.049
     CaCl2                      0.022
动力学试验的条件选择为如Scholze和Conradt中所述。流速为300毫升/天。试验的持续时间是14天。结果表示成14天后溶液中SiO2量的百分数×100。
本发明将在下列参考实例中有更详细的描述。
                实例1
熔化如下组成(以重量百分数计)的玻璃:
       SiO2                        56.0
       Al2O3                       1.0
       CaO                           9.0
       MgO                           4.0
       Na2O                        18.0
       K2O                          1.0
       B2O3                       10.5
       其它                          0.5
这些玻璃组合物可用离心技术加工。
用上述DGG法测得值为40毫克/克。
上述生物降解性试验得值550。
               实例2熔化如下组成(以重量百分数计)的玻璃:
    SiO2                           55.0
    Al2O3                          1.0
    CaO                              9.0
    MgO                              4.0
    Na2O                           18.0
    K2O                             1.0
    B2O3                          10.5
    P2O5                           1.0
    其它                             0.5。这些玻璃组合物可用离心技术加工。用上述DGG法测得数值40毫克/克。上述生物降解性试验得值600。
            实例3熔化下列组成(以重量百分数计)的玻璃:
   SiO                      57.5
   Al2O3                   0.5
   CaO                       8.0
   MgO                       3.5
   Na2O                    17.8
   K2O                      0.2
   B2O3                   12.0
   其它                      0.5。这些玻璃组合物可用离心技术加工。用上述DGG法测得数值50毫克/克。上述生物降解性试验得值550。
       实例4熔化如下组成(以重量百分数计)的玻璃:
    SiO2                       56.5
    Al2O3                     0.5
    CaO                         8.0
    MgO                         3.5
    Na2O                      17.8
    K2O                        0.2
    B2O3                     12.0
    P2O5                      1.0
    其它                        0.5。这些玻璃组合物可用离心技术加工。用上述DGG法测得数值50毫克/克。上述生物降解性试验得值600。
          实例5熔化如下组成(以重量百分数计)的玻璃:
  SiO2                     57.5
  Al2O3                   0.5
  CaO                       8.1
  MgO                       3.6
  Na2O                    17.25
  K2O                      0.35
  B2O3                   12.4
  其它                      0.3。这些玻璃组合物可用离心技术加工。用上述DGG法测得数值30毫克/克。上述生物降解性试验得值600。
              实例6熔化如下组成(以重量百分数计)的玻璃:
  SiO2                       57.5
  Al2O3                     0.5
  CaO                         8.3
  MgO                         1.8
  Na2O                      18.6
  K2O                        0.4
  B2O3                     11.5
  BaO                         1.0
  其它                        0.4这些玻璃组合物可用离心技术加工。用上述DGG法测得数值30毫克/克。上述生物降解性试验得值600。
          实例7熔化下列组成(以重量百分数计)的玻璃:
SiO2                     57.5
Al2O3                   0.5
CaO                       8.3
MgO                       1.8
Na2O                    17.1
K2O                      0.4
B2O3                   13.0
BaO                       1.0
其它                      0.4。这些玻璃组合物可用离心技术加工。用上述DGG法测得数值30毫克/克。上述生物降解性试验得值600。
           实例8
熔化下列组成(以重量百分数计)的玻璃:
   SiO2                        57.5
   Al2O3                      0.5
   CaO                          8.4
   MgO                          1.7
   Na2O                       17.0
   K2O                         0.5
   B2O3                      14.0
   其它                         0.4。这些玻璃组合物可用离心技术加工。用上述DGG法测得数值30毫克/克。上述生物降解性试验得值600。

Claims (12)

1.一种可生物降解的玻璃纤维组合物,以下列组成(按重量百分数计)为特征:
   SiO2       45 ~ 60
   Al2O3        <  2
   CaO+MgO    10 ~ 16
   Na2O+K2O 15 ~ 23
   B2O3      10 ~ 18
   P2O5       0 ~  4
   BaO          0 ~  1
   其它         0 ~  2。
2.权利要求1的玻璃纤维组合物,以下列组成(按重量百分数计)为特征:
   SiO2        45  ~ 60
   Al2O3          <  2
   CaO+MgO     10  ~ 16
   Na2O+K2O      > 18
   B2O3           < 12
   P2O5        0  ~  4
   BaO           0  ~  1
   其它          0  ~  2。
3.权利要求1的玻璃纤维组合物,以下列组成(按重量百分数计)为特征:
  SiO2           45 ~ 60
  Al2O3            <  2
  CaO+MgO        10 ~ 16
  Na2O+K2O        < 18
  B2O3             > 12
  P2O5           0 ~  4
  BaO              0 ~  1
  其它             0 ~  2。
4.权利要求1的玻璃纤维组合物,以下列组成(按重量百分数计)为特征:
  SiO2           47 ~ 57
  Al2O3            <  2
  CaO+MgO        12 ~ 15
  Na2O+K2O     16 ~ 20
  B2O3          10 ~ 16
  P2O5           0 ~  2
  BaO              0 ~  1
  其它             0 ~  2。
5.权利要求1的玻璃纤维组合物,以下列组成(按重量百分数计)为特征:
  SiO2           52  ~ 60
  Al2O3          0  ~  1.5
  CaO+MgO        11  ~ 12.5
  Na2O+K2O     16  ~ 18.5
  B2O3          10  ~ 14
  P2O5           0  ~  1
  BaO              0  ~  1
  其它             0  ~  2。
6.权利要求1到5的任一玻璃纤维组合物,其特征在于二氧化硅的含量<57%(重量)。
7.权利要求1到6的任何玻璃纤维组合物,其特征在于二氧化硅的含量<56.5%(重量)。
8.权利要求1到7的任何玻璃纤维组合物,其特征在于氧化铝的含量至少为0.1%(重量)。
9.权利要求1到8的任何玻璃纤维组合物,其特征在于氧化铝的含量至少为0.5%(重量)。
10.权利要求1到9的任何玻璃纤维组合物,其特征在于氧化磷的含量至少为0.1%(重量)。
11.权利要求1到10的任一玻璃纤维组合物,其特征在于氧化硼的含量>12%(重量)。
12.权利要求1到11的任一玻璃纤维组合物,其特征在于氧化镁的含量<2%(重量)。
CN95190488A 1994-05-28 1995-05-24 玻璃纤维组合物 Expired - Fee Related CN1045579C (zh)

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DEP4418726.2 1994-05-28
DE4418726A DE4418726A1 (de) 1994-05-28 1994-05-28 Glasfaserzusammensetzungen

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CN112521006A (zh) * 2012-10-18 2021-03-19 Ocv智识资本有限责任公司 用于制造纤维的玻璃组合物及方法

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