发明授权
US4863633A Mitigation of stress-cracking in stacked loads of fragranced bleach-containing bottles 失效
缓解含有漂白漂白瓶的堆叠负荷下的应力开裂

Mitigation of stress-cracking in stacked loads of fragranced
bleach-containing bottles
摘要:
This invention relates to a storage and shipping system comprising corrugated containers which house plastic vessels or bottles used to hold fragranced liquid bleaches in which the shipping and storage containers are stacked on top of one another. In the stacks in all of the shipping and storage containers except for the topmost one, the plastic vessels will share some of the vertical component of the compression load caused by the shipping and storage container directly located above a given shipping and storage container. The compression load can cause stress-cracking in the vessels or bottles if strongly wetting surfactants are used to disperse the fragrances. Surprisingly, it has been found that such stress-cracking can be essentially mitigated when an agent for dispersing the fragrance is used which does not promote stress-cracking in said vessels or bottles by substantially not wetting the interior surface of said plastic, and does not decrease the surface tension below the critical surface tension of the plastic. An exemplary agent is sodium xylene sulfonate.
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